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| <li class="md-nav__item"> |
| <a href="#digest-algorithm-is-re-enabled" class="md-nav__link"> |
| Digest algorithm is re-enabled |
| </a> |
| |
| </li> |
| |
| <li class="md-nav__item"> |
| <a href="#direct-dump-reader-ddr-vm-restriction-removed" class="md-nav__link"> |
| Direct Dump Reader (DDR) VM restriction removed |
| </a> |
| |
| </li> |
| |
| <li class="md-nav__item"> |
| <a href="#the-format-of-the-hooks-section-of-a-java-dump-has-changed" class="md-nav__link"> |
| The format of the HOOKS section of a Java dump has changed |
| </a> |
| |
| </li> |
| |
| <li class="md-nav__item"> |
| <a href="#ludcl-caching-disabled-by-default" class="md-nav__link"> |
| LUDCL caching disabled by default |
| </a> |
| |
| </li> |
| |
| </ul> |
| </nav> |
| |
| </li> |
| |
| <li class="md-nav__item"> |
| <a href="#full-release-information" class="md-nav__link"> |
| Full release information |
| </a> |
| |
| </li> |
| |
| </ul> |
| |
| </nav> |
| |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../version0.16/" class="md-nav__link"> |
| Version 0.16.0 |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../version0.15/" class="md-nav__link"> |
| Version 0.15.1 |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../version0.14/" class="md-nav__link"> |
| Version 0.14.0 |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../version0.13/" class="md-nav__link"> |
| Version 0.13.0 |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../version0.12/" class="md-nav__link"> |
| Version 0.12.0 |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../version0.11/" class="md-nav__link"> |
| Version 0.11.0 |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../version0.10/" class="md-nav__link"> |
| Version 0.10.0 |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../version0.9/" class="md-nav__link"> |
| Version 0.9.0 |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../version0.8/" class="md-nav__link"> |
| Version 0.8.0 |
| </a> |
| </li> |
| |
| |
| |
| </ul> |
| </nav> |
| </li> |
| |
| |
| |
| </ul> |
| </nav> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item md-nav__item--nested"> |
| |
| |
| <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_6" type="checkbox" id="__nav_6" > |
| |
| <label class="md-nav__link" for="__nav_6"> |
| Migrating |
| <span class="md-nav__icon md-icon"></span> |
| </label> |
| <nav class="md-nav" aria-label="Migrating" data-md-level="1"> |
| <label class="md-nav__title" for="__nav_6"> |
| <span class="md-nav__icon md-icon"></span> |
| Migrating |
| </label> |
| <ul class="md-nav__list" data-md-scrollfix> |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../migrating8to11/" class="md-nav__link"> |
| Migrating from Java 8 to Java 11 |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../migrating11to17/" class="md-nav__link"> |
| Migrating from Java 11 to Java 17 |
| </a> |
| </li> |
| |
| |
| |
| </ul> |
| </nav> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../configuring/" class="md-nav__link"> |
| Configuring your system |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item md-nav__item--nested"> |
| |
| |
| <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_8" type="checkbox" id="__nav_8" > |
| |
| <label class="md-nav__link" for="__nav_8"> |
| Memory management |
| <span class="md-nav__icon md-icon"></span> |
| </label> |
| <nav class="md-nav" aria-label="Memory management" data-md-level="1"> |
| <label class="md-nav__title" for="__nav_8"> |
| <span class="md-nav__icon md-icon"></span> |
| Memory management |
| </label> |
| <ul class="md-nav__list" data-md-scrollfix> |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../allocation/" class="md-nav__link"> |
| Heap allocation |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../gc_overview/" class="md-nav__link"> |
| Garbage Collection (GC) |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../gc/" class="md-nav__link"> |
| GC policies |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item md-nav__item--nested"> |
| |
| |
| <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_8_4" type="checkbox" id="__nav_8_4" > |
| |
| <label class="md-nav__link" for="__nav_8_4"> |
| Troubleshooting GC |
| <span class="md-nav__icon md-icon"></span> |
| </label> |
| <nav class="md-nav" aria-label="Troubleshooting GC" data-md-level="2"> |
| <label class="md-nav__title" for="__nav_8_4"> |
| <span class="md-nav__icon md-icon"></span> |
| Troubleshooting GC |
| </label> |
| <ul class="md-nav__list" data-md-scrollfix> |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../vgclog/" class="md-nav__link"> |
| Verbose GC logs |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../vgclog_examples/" class="md-nav__link"> |
| Log examples |
| </a> |
| </li> |
| |
| |
| |
| </ul> |
| </nav> |
| </li> |
| |
| |
| |
| </ul> |
| </nav> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../jit/" class="md-nav__link"> |
| JIT Compiler |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../jitserver/" class="md-nav__link"> |
| JITServer technology |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../jitserver_tuning/" class="md-nav__link"> |
| JITServer tuning |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../aot/" class="md-nav__link"> |
| AOT Compiler |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item md-nav__item--nested"> |
| |
| |
| <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_13" type="checkbox" id="__nav_13" > |
| |
| <label class="md-nav__link" for="__nav_13"> |
| Class data sharing |
| <span class="md-nav__icon md-icon"></span> |
| </label> |
| <nav class="md-nav" aria-label="Class data sharing" data-md-level="1"> |
| <label class="md-nav__title" for="__nav_13"> |
| <span class="md-nav__icon md-icon"></span> |
| Class data sharing |
| </label> |
| <ul class="md-nav__list" data-md-scrollfix> |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../shrc/" class="md-nav__link"> |
| Introduction |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../shrc_diag_util/" class="md-nav__link"> |
| Diagnosing problems |
| </a> |
| </li> |
| |
| |
| |
| </ul> |
| </nav> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../attachapi/" class="md-nav__link"> |
| Java Attach API |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item md-nav__item--nested"> |
| |
| |
| <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_15" type="checkbox" id="__nav_15" > |
| |
| <label class="md-nav__link" for="__nav_15"> |
| Diagnostics |
| <span class="md-nav__icon md-icon"></span> |
| </label> |
| <nav class="md-nav" aria-label="Diagnostics" data-md-level="1"> |
| <label class="md-nav__title" for="__nav_15"> |
| <span class="md-nav__icon md-icon"></span> |
| Diagnostics |
| </label> |
| <ul class="md-nav__list" data-md-scrollfix> |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../diag_overview/" class="md-nav__link"> |
| Overview |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item md-nav__item--nested"> |
| |
| |
| <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_15_2" type="checkbox" id="__nav_15_2" > |
| |
| <label class="md-nav__link" for="__nav_15_2"> |
| Dumps |
| <span class="md-nav__icon md-icon"></span> |
| </label> |
| <nav class="md-nav" aria-label="Dumps" data-md-level="2"> |
| <label class="md-nav__title" for="__nav_15_2"> |
| <span class="md-nav__icon md-icon"></span> |
| Dumps |
| </label> |
| <ul class="md-nav__list" data-md-scrollfix> |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../dump_javadump/" class="md-nav__link"> |
| Java dump |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../dump_heapdump/" class="md-nav__link"> |
| Heap dump |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../dump_systemdump/" class="md-nav__link"> |
| System dump |
| </a> |
| </li> |
| |
| |
| |
| </ul> |
| </nav> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item md-nav__item--nested"> |
| |
| |
| <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_15_3" type="checkbox" id="__nav_15_3" > |
| |
| <label class="md-nav__link" for="__nav_15_3"> |
| Tools |
| <span class="md-nav__icon md-icon"></span> |
| </label> |
| <nav class="md-nav" aria-label="Tools" data-md-level="2"> |
| <label class="md-nav__title" for="__nav_15_3"> |
| <span class="md-nav__icon md-icon"></span> |
| Tools |
| </label> |
| <ul class="md-nav__list" data-md-scrollfix> |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../tool_jextract/" class="md-nav__link"> |
| Dump extractor |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../tool_jdmpview/" class="md-nav__link"> |
| Dump viewer |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../tool_traceformat/" class="md-nav__link"> |
| Trace formatter |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../tool_builder/" class="md-nav__link"> |
| Option builder |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../tool_jcmd/" class="md-nav__link"> |
| Java command (jcmd) tool |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../tool_jmap/" class="md-nav__link"> |
| Java memory map (jmap) tool |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../tool_jps/" class="md-nav__link"> |
| Java process status (jps) |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../tool_jstack/" class="md-nav__link"> |
| Java stack (jstack) tool |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../tool_jstat/" class="md-nav__link"> |
| Java statistics monitoring (jstat) tool |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../tool_migration/" class="md-nav__link"> |
| Switching to OpenJ9 |
| </a> |
| </li> |
| |
| |
| |
| </ul> |
| </nav> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item md-nav__item--nested"> |
| |
| |
| <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_15_4" type="checkbox" id="__nav_15_4" > |
| |
| <label class="md-nav__link" for="__nav_15_4"> |
| Interfaces |
| <span class="md-nav__icon md-icon"></span> |
| </label> |
| <nav class="md-nav" aria-label="Interfaces" data-md-level="2"> |
| <label class="md-nav__title" for="__nav_15_4"> |
| <span class="md-nav__icon md-icon"></span> |
| Interfaces |
| </label> |
| <ul class="md-nav__list" data-md-scrollfix> |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../interface_jvmti/" class="md-nav__link"> |
| JVMTI |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../interface_dtfj/" class="md-nav__link"> |
| DTFJ |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../interface_lang_management/" class="md-nav__link"> |
| Language Management |
| </a> |
| </li> |
| |
| |
| |
| </ul> |
| </nav> |
| </li> |
| |
| |
| |
| </ul> |
| </nav> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item md-nav__item--nested"> |
| |
| |
| <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_16" type="checkbox" id="__nav_16" > |
| |
| <label class="md-nav__link" for="__nav_16"> |
| Command-line options |
| <span class="md-nav__icon md-icon"></span> |
| </label> |
| <nav class="md-nav" aria-label="Command-line options" data-md-level="1"> |
| <label class="md-nav__title" for="__nav_16"> |
| <span class="md-nav__icon md-icon"></span> |
| Command-line options |
| </label> |
| <ul class="md-nav__list" data-md-scrollfix> |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../cmdline_specifying/" class="md-nav__link"> |
| Specifying options |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../cmdline_general/" class="md-nav__link"> |
| Standard options |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../cmdline_migration/" class="md-nav__link"> |
| Switching to OpenJ9 |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item md-nav__item--nested"> |
| |
| |
| <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_16_4" type="checkbox" id="__nav_16_4" > |
| |
| <label class="md-nav__link" for="__nav_16_4"> |
| System property options |
| <span class="md-nav__icon md-icon"></span> |
| </label> |
| <nav class="md-nav" aria-label="System property options" data-md-level="2"> |
| <label class="md-nav__title" for="__nav_16_4"> |
| <span class="md-nav__icon md-icon"></span> |
| System property options |
| </label> |
| <ul class="md-nav__list" data-md-scrollfix> |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../d_jvm_commands/" class="md-nav__link"> |
| Using System properties |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../dcomibmenableclasscaching/" class="md-nav__link"> |
| -Dcom.ibm.enableClassCaching |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../dcomibmenablelegacydumpsecurity/" class="md-nav__link"> |
| -Dcom.ibm.enableLegacyDumpSecurity |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../dcomibmenablelegacylogsecurity/" class="md-nav__link"> |
| -Dcom.ibm.enableLegacyLogSecurity |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../dcomibmenablelegacytracesecurity/" class="md-nav__link"> |
| -Dcom.ibm.enableLegacyTraceSecurity |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../dcomibmgpudisable/" class="md-nav__link"> |
| -Dcom.ibm.gpu.disable |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../dcomibmgpuenable/" class="md-nav__link"> |
| -Dcom.ibm.gpu.enable |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../dcomibmgpuverbose/" class="md-nav__link"> |
| -Dcom.ibm.gpu.verbose |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../dcomibmlangmanagementosmxbeaniscputime100ns/" class="md-nav__link"> |
| -Dcom.ibm.lang.management.OperatingSystemMXBean.isCpuTime100ns |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../dcomibmlangmanagementverbose/" class="md-nav__link"> |
| -Dcom.ibm.lang.management.verbose |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../dcomibmotisharedsharedclassglobalfilterclass/" class="md-nav__link"> |
| -Dcom.ibm.oti.shared.SharedClassGlobalFilterClass |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../dcomibmtoolsattachcommand_timeout/" class="md-nav__link"> |
| -Dcom.ibm.tools.attach.command_timeout |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../dcomibmtoolsattachdirectory/" class="md-nav__link"> |
| -Dcom.ibm.tools.attach.directory |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../dcomibmtoolsattachdisplayname/" class="md-nav__link"> |
| -Dcom.ibm.tools.attach.displayName |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../dcomibmtoolsattachenable/" class="md-nav__link"> |
| -Dcom.ibm.tools.attach.enable |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../dcomibmtoolsattachid/" class="md-nav__link"> |
| -Dcom.ibm.tools.attach.id |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../dcomibmtoolsattachlogging/" class="md-nav__link"> |
| -Dcom.ibm.tools.attach.logging |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../dcomibmtoolsattachlogname/" class="md-nav__link"> |
| -Dcom.ibm.tools.attach.log.name |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../dcomibmtoolsattachshutdown_timeout/" class="md-nav__link"> |
| -Dcom.ibm.tools.attach.shutdown_timeout |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../dcomibmtoolsattachtimeout/" class="md-nav__link"> |
| -Dcom.ibm.tools.attach.timeout |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../dfileencoding/" class="md-nav__link"> |
| -Dfile.encoding |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../djavacompiler/" class="md-nav__link"> |
| -Djava.compiler |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../djavalangstringsubstringnocopy/" class="md-nav__link"> |
| -Djava.lang.string.substring.nocopy |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../djavalangstringbuffergrowaggressively/" class="md-nav__link"> |
| -Djava.lang.stringBuffer.growAggressively |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../djdknativecbc/" class="md-nav__link"> |
| -Djdk.nativeCBC |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../djdknativechacha20/" class="md-nav__link"> |
| -Djdk.nativeChaCha20 |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../djdknativecrypto/" class="md-nav__link"> |
| -Djdk.nativeCrypto |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../djdknativedigest/" class="md-nav__link"> |
| -Djdk.nativeDigest |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../djdknativegcm/" class="md-nav__link"> |
| -Djdk.nativeGCM |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../djdknativersa/" class="md-nav__link"> |
| -Djdk.nativeRSA |
| </a> |
| </li> |
| |
| |
| |
| </ul> |
| </nav> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item md-nav__item--nested"> |
| |
| |
| <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_16_5" type="checkbox" id="__nav_16_5" > |
| |
| <label class="md-nav__link" for="__nav_16_5"> |
| JVM -X options |
| <span class="md-nav__icon md-icon"></span> |
| </label> |
| <nav class="md-nav" aria-label="JVM -X options" data-md-level="2"> |
| <label class="md-nav__title" for="__nav_16_5"> |
| <span class="md-nav__icon md-icon"></span> |
| JVM -X options |
| </label> |
| <ul class="md-nav__list" data-md-scrollfix> |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../x_jvm_commands/" class="md-nav__link"> |
| Using -X options |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../x/" class="md-nav__link"> |
| -X |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xaggressive/" class="md-nav__link"> |
| -Xaggressive |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xalwaysclassgc/" class="md-nav__link"> |
| -Xalwaysclassgc |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xaot/" class="md-nav__link"> |
| -Xaot |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xargencoding/" class="md-nav__link"> |
| -Xargencoding |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xbootclasspath/" class="md-nav__link"> |
| -Xbootclasspath |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xceehdlr/" class="md-nav__link"> |
| -XCEEHDLR |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xcheck/" class="md-nav__link"> |
| -Xcheck |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xclassgc/" class="md-nav__link"> |
| -Xclassgc |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xcodecache/" class="md-nav__link"> |
| -Xcodecache |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xcodecachetotal/" class="md-nav__link"> |
| -Xcodecachetotal |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xcomp/" class="md-nav__link"> |
| -Xcomp |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xcompactexplicitgc/" class="md-nav__link"> |
| -Xcompactexplicitgc |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xcompactgc/" class="md-nav__link"> |
| -Xcompactgc |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xcompilationthreads/" class="md-nav__link"> |
| -XcompilationThreads |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xcompressedrefs/" class="md-nav__link"> |
| -Xcompressedrefs |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xconcurrentbackground/" class="md-nav__link"> |
| -Xconcurrentbackground |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xconcurrentlevel/" class="md-nav__link"> |
| -Xconcurrentlevel |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xconcurrentslack/" class="md-nav__link"> |
| -Xconcurrentslack |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xconmeter/" class="md-nav__link"> |
| -Xconmeter |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xenableexcessivegc/" class="md-nav__link"> |
| -Xdisableexcessivegc |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xenableexplicitgc/" class="md-nav__link"> |
| -Xdisableexplicitgc |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xdisablejavadump/" class="md-nav__link"> |
| -Xdisablejavadump |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xenablestringconstantgc/" class="md-nav__link"> |
| -Xdisablestringconstantgc |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xdump/" class="md-nav__link"> |
| -Xdump |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xenableexcessivegc/" class="md-nav__link"> |
| -Xenableexcessivegc |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xenableexplicitgc/" class="md-nav__link"> |
| -Xenableexplicitgc |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xenablestringconstantgc/" class="md-nav__link"> |
| -Xenablestringconstantgc |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xfastresolve/" class="md-nav__link"> |
| -Xfastresolve |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xfuture/" class="md-nav__link"> |
| -Xfuture |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xgc/" class="md-nav__link"> |
| -Xgc |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xgcsplitheap/" class="md-nav__link"> |
| -Xgc:splitheap |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xgcmaxthreads/" class="md-nav__link"> |
| -Xgcmaxthreads |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xgcpolicy/" class="md-nav__link"> |
| -Xgcpolicy |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xgcthreads/" class="md-nav__link"> |
| -Xgcthreads |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xgcworkpackets/" class="md-nav__link"> |
| -Xgcworkpackets |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xint/" class="md-nav__link"> |
| -Xint |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xss/" class="md-nav__link"> |
| -Xiss |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xjit/" class="md-nav__link"> |
| -Xjit |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xjni/" class="md-nav__link"> |
| -Xjni |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xlinenumbers/" class="md-nav__link"> |
| -Xlinenumbers |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xloa/" class="md-nav__link"> |
| -Xloa |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xloaminimum/" class="md-nav__link"> |
| -Xloainitial |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xloaminimum/" class="md-nav__link"> |
| -Xloamaximum |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xloaminimum/" class="md-nav__link"> |
| -Xloaminimum |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xlockreservation/" class="md-nav__link"> |
| -XlockReservation |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xlockword/" class="md-nav__link"> |
| -Xlockword |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xlog/" class="md-nav__link"> |
| -Xlog |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xlp/" class="md-nav__link"> |
| -Xlp |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xlpcodecache/" class="md-nav__link"> |
| -Xlp:codecache |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xlpobjectheap/" class="md-nav__link"> |
| -Xlp:objectheap |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xmine/" class="md-nav__link"> |
| -Xmaxe |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xminf/" class="md-nav__link"> |
| -Xmaxf |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xmint/" class="md-nav__link"> |
| -Xmaxt |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xmca/" class="md-nav__link"> |
| -Xmca |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xmca/" class="md-nav__link"> |
| -Xmco |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xmcrs/" class="md-nav__link"> |
| -Xmcrs |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xmine/" class="md-nav__link"> |
| -Xmine |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xminf/" class="md-nav__link"> |
| -Xminf |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xmint/" class="md-nav__link"> |
| -Xmint |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xmn/" class="md-nav__link"> |
| -Xmn |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xmn/" class="md-nav__link"> |
| -Xmns |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xmn/" class="md-nav__link"> |
| -Xmnx |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xmo/" class="md-nav__link"> |
| -Xmo |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xmoi/" class="md-nav__link"> |
| -Xmoi |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xmo/" class="md-nav__link"> |
| -Xmos |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xmo/" class="md-nav__link"> |
| -Xmox |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xmr/" class="md-nav__link"> |
| -Xmr |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xmr/" class="md-nav__link"> |
| -Xmrx |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xms/" class="md-nav__link"> |
| -Xms |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xmso/" class="md-nav__link"> |
| -Xmso |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xms/" class="md-nav__link"> |
| -Xmx |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xaot/" class="md-nav__link"> |
| -Xnoaot |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xclassgc/" class="md-nav__link"> |
| -Xnoclassgc |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xcompactexplicitgc/" class="md-nav__link"> |
| -Xnocompactexplicitgc |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xcompactgc/" class="md-nav__link"> |
| -Xnocompactgc |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xcompressedrefs/" class="md-nav__link"> |
| -Xnocompressedrefs |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xjit/" class="md-nav__link"> |
| -Xnojit |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xlinenumbers/" class="md-nav__link"> |
| -Xnolinenumbers |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xloa/" class="md-nav__link"> |
| -Xnoloa |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xsigcatch/" class="md-nav__link"> |
| -Xnosigcatch |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xsigchain/" class="md-nav__link"> |
| -Xnosigchain |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xnumanone/" class="md-nav__link"> |
| -Xnuma:none |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xoptionsfile/" class="md-nav__link"> |
| -Xoptionsfile |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xquickstart/" class="md-nav__link"> |
| -Xquickstart |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xrs/" class="md-nav__link"> |
| -Xrs |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xsamplingexpirationtime/" class="md-nav__link"> |
| -XsamplingExpirationTime |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xscdmx/" class="md-nav__link"> |
| -Xscdmx |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xscminaot/" class="md-nav__link"> |
| -Xscmaxaot |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xscminjitdata/" class="md-nav__link"> |
| -Xscmaxjitdata |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xscminaot/" class="md-nav__link"> |
| -Xscminaot |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xscminjitdata/" class="md-nav__link"> |
| -Xscminjitdata |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xscmx/" class="md-nav__link"> |
| -Xscmx |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xshareclasses/" class="md-nav__link"> |
| -Xshareclasses |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xsigcatch/" class="md-nav__link"> |
| -Xsigcatch |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xsigchain/" class="md-nav__link"> |
| -Xsigchain |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xsignal/" class="md-nav__link"> |
| -Xsignal |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xsoftmx/" class="md-nav__link"> |
| -Xsoftmx |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xsoftrefthreshold/" class="md-nav__link"> |
| -Xsoftrefthreshold |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xss/" class="md-nav__link"> |
| -Xss |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xss/" class="md-nav__link"> |
| -Xssi |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xsyslog/" class="md-nav__link"> |
| -Xsyslog |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xtgc/" class="md-nav__link"> |
| -Xtgc |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xthr/" class="md-nav__link"> |
| -Xthr |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xtlhprefetch/" class="md-nav__link"> |
| -XtlhPrefetch |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xtrace/" class="md-nav__link"> |
| -Xtrace |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xtunevirtualized/" class="md-nav__link"> |
| -Xtune:virtualized |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xverbosegclog/" class="md-nav__link"> |
| -Xverbosegclog |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xverify/" class="md-nav__link"> |
| -Xverify |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xzero/" class="md-nav__link"> |
| -Xzero |
| </a> |
| </li> |
| |
| |
| |
| </ul> |
| </nav> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item md-nav__item--nested"> |
| |
| |
| <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_16_6" type="checkbox" id="__nav_16_6" > |
| |
| <label class="md-nav__link" for="__nav_16_6"> |
| JVM -XX options |
| <span class="md-nav__icon md-icon"></span> |
| </label> |
| <nav class="md-nav" aria-label="JVM -XX options" data-md-level="2"> |
| <label class="md-nav__title" for="__nav_16_6"> |
| <span class="md-nav__icon md-icon"></span> |
| JVM -XX options |
| </label> |
| <ul class="md-nav__list" data-md-scrollfix> |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xx_jvm_commands/" class="md-nav__link"> |
| Using -XX options |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxactiveprocessorcount/" class="md-nav__link"> |
| -XXActiveProcessorCount |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxadaptivegcthreading/" class="md-nav__link"> |
| -XX:[+|-]AdaptiveGCThreading |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxallowvmshutdown/" class="md-nav__link"> |
| -XXallowvmshutdown |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxalwayspretouch/" class="md-nav__link"> |
| -XX:[+|-]AlwaysPreTouch |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxclassrelationshipverifier/" class="md-nav__link"> |
| -XX:[+|-]ClassRelationshipVerifier |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxconcgcthreads/" class="md-nav__link"> |
| -XX:ConcGCThreads |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxcodecachetotal/" class="md-nav__link"> |
| -XX:codecachetotal |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxcompactstrings/" class="md-nav__link"> |
| -XX:[+|-]CompactStrings |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxdiagnosesynconvaluebasedclasses/" class="md-nav__link"> |
| -XX:DiagnoseSyncOnValueBasedClasses |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxdisableexplicitgc/" class="md-nav__link"> |
| -XX:[+|-]DisableExplicitGC |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxdisclaimjitscratch/" class="md-nav__link"> |
| -XX:[+|-]DisclaimJitScratch |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxenable3164interoperability/" class="md-nav__link"> |
| -XX:[+|-]Enable3164Interoperability |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxenablecpumonitor/" class="md-nav__link"> |
| -XX:[+|-]EnableCPUMonitor |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxensurehashed/" class="md-nav__link"> |
| -XX:[+|-]EnsureHashed |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxexitonoutofmemoryerror/" class="md-nav__link"> |
| -XX:[+|-]ExitOnOutOfMemoryError |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxgloballockreservation/" class="md-nav__link"> |
| -XX:[+|-]GlobalLockReservation |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxhandlesigxfsz/" class="md-nav__link"> |
| -XX:[+|-]HandleSIGXFSZ |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxhandlesigabrt/" class="md-nav__link"> |
| -XX:[+|-]HandleSIGABRT |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxheapdumponoutofmemory/" class="md-nav__link"> |
| -XX:[+|-]HeapDumpOnOutOfMemory |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxheapdumppath/" class="md-nav__link"> |
| -XX:HeapDumpPath |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxheapmanagementmxbeancompatibility/" class="md-nav__link"> |
| -XX:[+|-]HeapManagementMXBeanCompatibility |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxidletuningcompactonidle/" class="md-nav__link"> |
| -XX:[+|-]IdleTuningCompactOnIdle |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxidletuninggconidle/" class="md-nav__link"> |
| -XX:[+|-]IdleTuningGcOnIdle |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxidletuningminfreeheaponidle/" class="md-nav__link"> |
| -XX:IdleTuningMinFreeHeapOnIdle |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxidletuningminidlewaittime/" class="md-nav__link"> |
| -XX:IdleTuningMinIdleWaitTime |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxignoreunrecognizedvmoptions/" class="md-nav__link"> |
| -XX:[+|-]IgnoreUnrecognizedVMOptions |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxignoreunrecognizedxxcolonoptions/" class="md-nav__link"> |
| -XX:[+|-]IgnoreUnrecognizedXXColonOptions |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxinitialrampercentage/" class="md-nav__link"> |
| -XX:InitialRAMPercentage |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxinitialheapsize/" class="md-nav__link"> |
| -XX:InitialHeapSize |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxinterleavememory/" class="md-nav__link"> |
| -XX:[+|-]InterleaveMemory |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxjitinlinewatches/" class="md-nav__link"> |
| -XX:[+|-]JITInlineWatches |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxjitserveraddress/" class="md-nav__link"> |
| -XX:JITServerAddress |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxjitserveraotcachename/" class="md-nav__link"> |
| -XX:JITServerAOTCacheName |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxjitserveruseaotcache/" class="md-nav__link"> |
| -XX:[+|-]JITServerUseAOTCache |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxjitserverlocalsynccompiles/" class="md-nav__link"> |
| -XX:[+|-]JITServerLocalSyncCompiles |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxjitserverlogconnections/" class="md-nav__link"> |
| -XX:[+|-]JITServerLogConnections |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxjitservermetrics/" class="md-nav__link"> |
| -XX:JITServerMetrics |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxjitservermetricsport/" class="md-nav__link"> |
| -XX:JITServerMetricsPort |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxjitserverport/" class="md-nav__link"> |
| -XX:JITServerPort |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxjitservershareromclasses/" class="md-nav__link"> |
| -XX:JITServerShareROMClasses |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxjitserversslcert/" class="md-nav__link"> |
| -XX:JITServerSSLCert |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxjitserversslcert/" class="md-nav__link"> |
| -XX:JITServerSSLKey |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxjitserversslcert/" class="md-nav__link"> |
| -XX:JITServerSSLRootCerts |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxjitservertimeout/" class="md-nav__link"> |
| -XX:JITServerTimeout |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxlazysymbolresolution/" class="md-nav__link"> |
| -XX:[+|-]LazySymbolResolution |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxlegacyxlogoption/" class="md-nav__link"> |
| -XX:[+|-]LegacyXLogOption |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxmaxdirectmemorysize/" class="md-nav__link"> |
| -XX:MaxDirectMemorySize |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxinitialheapsize/" class="md-nav__link"> |
| -XX:MaxHeapSize |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxinitialrampercentage/" class="md-nav__link"> |
| -XX:MaxRAMPercentage |
| </a> |
| </li> |
| |
| |
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| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxonoutofmemoryerror/" class="md-nav__link"> |
| -XX:OnOutOfMemoryError |
| </a> |
| </li> |
| |
| |
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| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxopenj9commandlineenv/" class="md-nav__link"> |
| -XX:[+|-]OpenJ9CommandLineEnv |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxoriginaljdk8heapsizecompatibilitymode/" class="md-nav__link"> |
| -XX:[+|-]OriginalJDK8HeapSizeCompatibilityMode |
| </a> |
| </li> |
| |
| |
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| |
| |
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| |
| <li class="md-nav__item"> |
| <a href="../xxnosuballoc32bitmem/" class="md-nav__link"> |
| -XXnosuballoc32bitmem |
| </a> |
| </li> |
| |
| |
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| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxpagealigndirectmemory/" class="md-nav__link"> |
| -XX:[+|-]PageAlignDirectMemory |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxparallelcmsthreads/" class="md-nav__link"> |
| -XX:ParallelCMSThreads |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxparallelgcmaxthreads/" class="md-nav__link"> |
| -XX:ParallelGCMaxThreads |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxparallelgcthreads/" class="md-nav__link"> |
| -XX:ParallelGCThreads |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxportablesharedcache/" class="md-nav__link"> |
| -XX:[+|-]PortableSharedCache |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxpositiveidentityhash/" class="md-nav__link"> |
| -XX:[+|-]PositiveIdentityHash |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxprintcodecache/" class="md-nav__link"> |
| -XX:[+|-]PrintCodeCache |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxprintflagsfinal/" class="md-nav__link"> |
| -XX:[+|-]PrintFlagsFinal |
| </a> |
| </li> |
| |
| |
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| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxreadipinfoforras/" class="md-nav__link"> |
| -XX:[+|-]ReadIPInfoForRAS |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxreducecpumonitoroverhead/" class="md-nav__link"> |
| -XX:[+|-]ReduceCPUMonitorOverhead |
| </a> |
| </li> |
| |
| |
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| |
| |
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| |
| <li class="md-nav__item"> |
| <a href="../xxrequirejitserver/" class="md-nav__link"> |
| -XX:[+|-]RequireJITServer |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxruntimeinstrumentation/" class="md-nav__link"> |
| -XX:[+|-]RuntimeInstrumentation |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxsethwprefetch/" class="md-nav__link"> |
| -XXsetHWPrefetch |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxshareanonymousclasses/" class="md-nav__link"> |
| -XX:[+|-]ShareAnonymousClasses |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxshareclassesenablebci/" class="md-nav__link"> |
| -XX:ShareClassesDisableBCI |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxshareclassesenablebci/" class="md-nav__link"> |
| -XX:ShareClassesEnableBCI |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxsharedcachehardlimit/" class="md-nav__link"> |
| -XX:SharedCacheHardLimit |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxshareunsafeclasses/" class="md-nav__link"> |
| -XX:[+|-]ShareUnsafeClasses |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxshowhiddenframes/" class="md-nav__link"> |
| -XX:[+|-]ShowHiddenFrames |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxstacktraceinthrowable/" class="md-nav__link"> |
| -XX:-StackTraceInThrowable |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxtransparenthugepage/" class="md-nav__link"> |
| -XX:[+|-]TransparentHugePage |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxusecompressedoops/" class="md-nav__link"> |
| -XX:[+|-]UseCompressedOops |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxusecontainersupport/" class="md-nav__link"> |
| -XX:[+|-]UseContainerSupport |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxusegcstartuphints/" class="md-nav__link"> |
| -XX:[+|-]UseGCStartupHints |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxusejitserver/" class="md-nav__link"> |
| -XX:[+|-]UseJITServer |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxusenogc/" class="md-nav__link"> |
| -XX:[+|-]UseNoGC |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxutfcache/" class="md-nav__link"> |
| -XX:[+|-]UTFCache |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxverboseverification/" class="md-nav__link"> |
| -XX:[+|-]VerboseVerification |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxvmlockclassloader/" class="md-nav__link"> |
| -XX:[+|-]VMLockClassLoader |
| </a> |
| </li> |
| |
| |
| |
| </ul> |
| </nav> |
| </li> |
| |
| |
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| </ul> |
| </nav> |
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| Reference |
| <span class="md-nav__icon md-icon"></span> |
| </label> |
| <nav class="md-nav" aria-label=" Reference" data-md-level="1"> |
| <label class="md-nav__title" for="__nav_17"> |
| <span class="md-nav__icon md-icon"></span> |
| Reference |
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| <ul class="md-nav__list" data-md-scrollfix> |
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| <li class="md-nav__item"> |
| <a href="../openj9_support/" class="md-nav__link"> |
| Supported environments |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../openj9_defaults/" class="md-nav__link"> |
| Default settings |
| </a> |
| </li> |
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| |
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| |
| |
| <li class="md-nav__item"> |
| <a href="../openj9_signals/" class="md-nav__link"> |
| Signal handling |
| </a> |
| </li> |
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| |
| <li class="md-nav__item"> |
| <a href="../openj9_directories/" class="md-nav__link"> |
| Directory conventions |
| </a> |
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| <li class="md-nav__item"> |
| <a href="../messages_intro/" class="md-nav__link"> |
| OpenJ9 messages |
| </a> |
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| |
| <li class="md-nav__item"> |
| <a href="../env_var/" class="md-nav__link"> |
| Environment variables |
| </a> |
| </li> |
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| </ul> |
| </nav> |
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| <a href="../api-overview/" class="md-nav__link"> |
| Overview |
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| Java 8 API |
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| <li class="md-nav__item"> |
| <a href="../api-conditionhandling/" class="md-nav__link"> |
| Condition exception handling |
| </a> |
| </li> |
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| |
| <li class="md-nav__item"> |
| <a href="../api-cuda/" class="md-nav__link"> |
| CUDA4J |
| </a> |
| </li> |
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| |
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| |
| <li class="md-nav__item"> |
| <a href="../api-daa/" class="md-nav__link"> |
| Data access acceleration |
| </a> |
| </li> |
| |
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| |
| <li class="md-nav__item"> |
| <a href="../api-dtfj/" class="md-nav__link"> |
| DTFJ |
| </a> |
| </li> |
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| |
| <li class="md-nav__item"> |
| <a href="../api-gpu/" class="md-nav__link"> |
| GPU |
| </a> |
| </li> |
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| <li class="md-nav__item"> |
| <a href="../api-jvm/" class="md-nav__link"> |
| JVM diagnostic utilities |
| </a> |
| </li> |
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| <li class="md-nav__item"> |
| <a href="../api-langmgmt/" class="md-nav__link"> |
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| </a> |
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| <li class="md-nav__item"> |
| <a href="../api-shrc/" class="md-nav__link"> |
| Shared classes |
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| </nav> |
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| Java 11 API |
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| <li class="md-nav__item"> |
| <a href="../api-jdk17/" class="md-nav__link"> |
| Java 17 API |
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| |
| <li class="md-nav__item"> |
| <a href="../api-jdk18/" class="md-nav__link"> |
| Java 18 API |
| </a> |
| </li> |
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| </nav> |
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| <a href="../legal/" class="md-nav__link"> |
| Legal |
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| </div> |
| </div> |
| </div> |
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| <div class="md-sidebar md-sidebar--secondary" data-md-component="sidebar" data-md-type="toc" > |
| <div class="md-sidebar__scrollwrap"> |
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| <a href="#features-and-changes" class="md-nav__link"> |
| Features and changes |
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| <ul class="md-nav__list"> |
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| Binaries and supported environments |
| </a> |
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| |
| <li class="md-nav__item"> |
| <a href="#new-shared-classes-cache-suboptions-for-layered-caches" class="md-nav__link"> |
| New shared classes cache suboptions for layered caches |
| </a> |
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| </li> |
| |
| <li class="md-nav__item"> |
| <a href="#new-shared-classes-cache-suboption-to-skip-disk-space-check" class="md-nav__link"> |
| New shared classes cache suboption to skip disk space check |
| </a> |
| |
| </li> |
| |
| <li class="md-nav__item"> |
| <a href="#option-to-share-unsafe-classes" class="md-nav__link"> |
| Option to share 'Unsafe' classes |
| </a> |
| |
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| <li class="md-nav__item"> |
| <a href="#option-to-record-class-relationships-in-the-verifier" class="md-nav__link"> |
| Option to record class relationships in the verifier |
| </a> |
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| </li> |
| |
| <li class="md-nav__item"> |
| <a href="#support-for-the-ibm-z15-processor" class="md-nav__link"> |
| Support for the IBM z15 processor |
| </a> |
| |
| </li> |
| |
| <li class="md-nav__item"> |
| <a href="#digest-algorithm-is-re-enabled" class="md-nav__link"> |
| Digest algorithm is re-enabled |
| </a> |
| |
| </li> |
| |
| <li class="md-nav__item"> |
| <a href="#direct-dump-reader-ddr-vm-restriction-removed" class="md-nav__link"> |
| Direct Dump Reader (DDR) VM restriction removed |
| </a> |
| |
| </li> |
| |
| <li class="md-nav__item"> |
| <a href="#the-format-of-the-hooks-section-of-a-java-dump-has-changed" class="md-nav__link"> |
| The format of the HOOKS section of a Java dump has changed |
| </a> |
| |
| </li> |
| |
| <li class="md-nav__item"> |
| <a href="#ludcl-caching-disabled-by-default" class="md-nav__link"> |
| LUDCL caching disabled by default |
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| Full release information |
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| <div class="md-content" data-md-component="content"> |
| <article class="md-content__inner md-typeset"> |
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| |
| <!-- |
| * Copyright (c) 2017, 2022 IBM Corp. and others |
| * |
| * This program and the accompanying materials are made |
| * available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ or the Apache |
| * License, Version 2.0 which accompanies this distribution and |
| * is available at https://www.apache.org/licenses/LICENSE-2.0. |
| * |
| * This Source Code may also be made available under the |
| * following Secondary Licenses when the conditions for such |
| * availability set forth in the Eclipse Public License, v. 2.0 |
| * are satisfied: GNU General Public License, version 2 with |
| * the GNU Classpath Exception [1] and GNU General Public |
| * License, version 2 with the OpenJDK Assembly Exception [2]. |
| * |
| * [1] https://www.gnu.org/software/classpath/license.html |
| * [2] http://openjdk.java.net/legal/assembly-exception.html |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0 WITH |
| * Classpath-exception-2.0 OR LicenseRef-GPL-2.0 WITH Assembly-exception |
| --> |
| |
| <h1 id="whats-new-in-version-0170">What's new in version 0.17.0</h1> |
| <p>The following new features and notable changes since version 0.16.0 are included in this release:</p> |
| <ul> |
| <li><a href="#binaries-and-supported-environments">New binaries and changes to supported environments</a></li> |
| <li><a href="#new-shared-classes-cache-suboptions-for-layered-caches">New shared classes cache suboptions for layered caches</a></li> |
| <li><a href="#new-shared-classes-cache-suboption-to-skip-disk-space-check">New shared classes cache suboption to skip disk space check</a></li> |
| <li><a href="#option-to-share-unsafe-classes">Option to share 'Unsafe' classes</a></li> |
| <li><a href="#option-to-record-class-relationships-in-the-verifier">Option to record class relationships in the verifier</a></li> |
| <li><a href="#support-for-the-ibm-z15-processor">Support for the IBM z15® processor</a></li> |
| <li><a href="#digest-algorithm-is-re-enabled">Digest algorithm is re-enabled</a></li> |
| <li><a href="#direct-dump-reader-ddr-vm-restriction-removed">Direct Dump Reader (DDR) VM restriction removed</a></li> |
| <li><a href="#the-format-of-the-hooks-section-of-a-java-dump-has-changed">The format of the HOOKS section of a Java dump has changed</a></li> |
| <li><a href="#ludcl-caching-disabled-by-default">LUDCL caching disabled by default</a></li> |
| </ul> |
| <h2 id="features-and-changes">Features and changes</h2> |
| <h3 id="binaries-and-supported-environments">Binaries and supported environments</h3> |
| <p>OpenJ9 release 0.17.0 supports OpenJDK 8, 11, and 13. Binaries are available from the AdoptOpenJDK community at the following links:</p> |
| <ul> |
| <li><a href="https://adoptopenjdk.net/archive.html?variant=openjdk8&jvmVariant=openj9">OpenJDK version 8</a></li> |
| <li><a href="https://adoptopenjdk.net/archive.html?variant=openjdk11&jvmVariant=openj9">OpenJDK version 11</a></li> |
| <li><a href="https://adoptopenjdk.net/archive.html?variant=openjdk13&jvmVariant=openj9">OpenJDK version 13</a></li> |
| </ul> |
| <p><span aria-hidden="true" class="twemoji note"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="m497.9 142.1-46.1 46.1c-4.7 4.7-12.3 4.7-17 0l-111-111c-4.7-4.7-4.7-12.3 0-17l46.1-46.1c18.7-18.7 49.1-18.7 67.9 0l60.1 60.1c18.8 18.7 18.8 49.1 0 67.9zM284.2 99.8 21.6 362.4.4 483.9c-2.9 16.4 11.4 30.6 27.8 27.8l121.5-21.3 262.6-262.6c4.7-4.7 4.7-12.3 0-17l-111-111c-4.8-4.7-12.4-4.7-17.1 0zM124.1 339.9c-5.5-5.5-5.5-14.3 0-19.8l154-154c5.5-5.5 14.3-5.5 19.8 0s5.5 14.3 0 19.8l-154 154c-5.5 5.5-14.3 5.5-19.8 0zM88 424h48v36.3l-64.5 11.3-31.1-31.1L51.7 376H88v48z"/></svg></span> <strong>Note:</strong> The Windows® and macOS® binaries from the AdoptOpenJDK community for OpenJDK 8, 11, and 13 have been updated to OpenSSL v1.1.1d. Look for the following release names to identify these packages:</p> |
| <ul> |
| <li>OpenJDK 8: <code>jdk8u232-b09.1_openj9-0.17.0</code></li> |
| <li>OpenJDK 11: <code>jdk-11.0.5+10.1_openj9-0.17.0</code></li> |
| <li>OpenjDK 13: <code>jdk-13.0.1+9.1_openj9-0.17.0)</code></li> |
| </ul> |
| <p><span aria-hidden="true" class="twemoji note"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="m497.9 142.1-46.1 46.1c-4.7 4.7-12.3 4.7-17 0l-111-111c-4.7-4.7-4.7-12.3 0-17l46.1-46.1c18.7-18.7 49.1-18.7 67.9 0l60.1 60.1c18.8 18.7 18.8 49.1 0 67.9zM284.2 99.8 21.6 362.4.4 483.9c-2.9 16.4 11.4 30.6 27.8 27.8l121.5-21.3 262.6-262.6c4.7-4.7 4.7-12.3 0-17l-111-111c-4.8-4.7-12.4-4.7-17.1 0zM124.1 339.9c-5.5-5.5-5.5-14.3 0-19.8l154-154c5.5-5.5 14.3-5.5 19.8 0s5.5 14.3 0 19.8l-154 154c-5.5 5.5-14.3 5.5-19.8 0zM88 424h48v36.3l-64.5 11.3-31.1-31.1L51.7 376H88v48z"/></svg></span> <strong>Note:</strong> The last release of OpenJDK 8 and 11 from AdoptOpenJDK is Eclipse OpenJ9 0.15.1. To read about other features and changes in the VM since 0.15.1, check the <a href="../version0.16/">Version 0.16.0</a> release notes too.</p> |
| <p>To learn more about support for OpenJ9 releases, including OpenJDK levels and platform support, see <a href="../openj9_support/">Supported environments</a>.</p> |
| <h3 id="new-shared-classes-cache-suboptions-for-layered-caches">New shared classes cache suboptions for layered caches</h3> |
| <p><strong>(Experimental, 64-bit only)</strong></p> |
| <p>New suboptions are available for creating layered caches, where a cache builds on another cache with the same name. You can use these suboptions to save space when building a Docker container, for example.</p> |
| <p><span aria-hidden="true" class="twemoji note"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="m497.9 142.1-46.1 46.1c-4.7 4.7-12.3 4.7-17 0l-111-111c-4.7-4.7-4.7-12.3 0-17l46.1-46.1c18.7-18.7 49.1-18.7 67.9 0l60.1 60.1c18.8 18.7 18.8 49.1 0 67.9zM284.2 99.8 21.6 362.4.4 483.9c-2.9 16.4 11.4 30.6 27.8 27.8l121.5-21.3 262.6-262.6c4.7-4.7 4.7-12.3 0-17l-111-111c-4.8-4.7-12.4-4.7-17.1 0zM124.1 339.9c-5.5-5.5-5.5-14.3 0-19.8l154-154c5.5-5.5 14.3-5.5 19.8 0s5.5 14.3 0 19.8l-154 154c-5.5 5.5-14.3 5.5-19.8 0zM88 424h48v36.3l-64.5 11.3-31.1-31.1L51.7 376H88v48z"/></svg></span> <strong>Note:</strong> Because these suboptions are experimental, do not use them in a production environment.</p> |
| <p>The new options are:</p> |
| <ul> |
| <li><a href="../xshareclasses/#createlayer"><code>createLayer</code></a></li> |
| <li><a href="../xshareclasses/#layer"><code>layer=<number></code></a> (see this section for more information about layered caches)</li> |
| <li><a href="../xshareclasses/#printtoplayerstats-cache-utility"><code>printTopLayerStats</code></a></li> |
| <li><a href="../xshareclasses/#destroyalllayers"><code>destroyAllLayers</code></a></li> |
| </ul> |
| <h3 id="new-shared-classes-cache-suboption-to-skip-disk-space-check">New shared classes cache suboption to skip disk space check</h3> |
| <p>When creating a persistent shared classes cache, the OpenJ9 VM checks that there is sufficient disk space available on the file |
| system. For file systems that do not support the checking of free space, you can set the <code>-Xshareclasses:noPersistentDiskSpaceCheck</code> option, which causes the VM to skip the space checking operation. If there isn't enough disk space available when the cache is written, a <strong>SIGBUS</strong> or <strong>SIGSEGV</strong> signal occurs and the VM ends. For more information, see the <a href="../xshareclasses/#nopersistentdiskspacecheck">-Xshareclasses:noPersistentDiskSpaceCheck</a> option.</p> |
| <h3 id="option-to-share-unsafe-classes">Option to share 'Unsafe' classes</h3> |
| <p>Classes created through <code>Unsafe.defineClass</code> are now stored by default in the shared classes cache. You can use the <code>-XX:-ShareUnsafeClasses</code> option to change the default behavior. For more information, see <a href="../xxshareunsafeclasses/">-XX:[+|-]ShareUnsafeClasses</a>.</p> |
| <h3 id="option-to-record-class-relationships-in-the-verifier">Option to record class relationships in the verifier</h3> |
| <p>A new command line option <code>-XX:+ClassRelationshipVerifier</code> allows you to record class relationships in the verifier, which avoids unnecessary class loading and reduces VM startup time. This is a new approach to bytecode verification that delays validating the relationships between classes until the classes are required to be loaded for a program's execution thus loading only those classes that are needed. For more information, see <a href="../xxclassrelationshipverifier/">-XX:[+|-]ClassRelationshipVerifier</a>.</p> |
| <h3 id="support-for-the-ibm-z15-processor">Support for the IBM z15 processor</h3> |
| <p>This release adds JIT compiler support for exploiting z15 instructions.</p> |
| <h3 id="digest-algorithm-is-re-enabled">Digest algorithm is re-enabled</h3> |
| <p>Issue <a href="https://github.com/eclipse-openj9/openj9/issues/5611">#5611</a> is fixed, so support for the Digest algorithm is re-enabled. For more information about this support, see <a href="../introduction/#cryptographic-operations">Cryptographic operations</a>.</p> |
| <h3 id="direct-dump-reader-ddr-vm-restriction-removed">Direct Dump Reader (DDR) VM restriction removed</h3> |
| <p>Prior to this version, you had to use a 32-bit VM to look at a 32-bit core, and a 64-bit VM to look at a 64-bit core when using DDR. This restriction has now been removed.</p> |
| <h3 id="the-format-of-the-hooks-section-of-a-java-dump-has-changed">The format of the HOOKS section of a Java dump has changed</h3> |
| <p>The format of the <code>HOOKS</code> section of a Java dump, which shows internal VM event callbacks, has changed:</p> |
| <ul> |
| <li>Recorded times have been changed from milliseconds to microseconds to provide increased precision.</li> |
| <li>A new field, <code>3HKTOTALTIME</code>, is included, which gives the total duration of previous events.</li> |
| <li>The hook data is now reset after each Java dump.</li> |
| </ul> |
| <p>For more information and an example of the new format, see <a href="../dump_javadump/#hooks">Java dump: HOOKS</a></p> |
| <h3 id="ludcl-caching-disabled-by-default">LUDCL caching disabled by default</h3> |
| <p>By caching the Latest User Defined Class Loader (LUDCL), Java applications that use deserialization extensively can see a performance improvement. This |
| capability is controlled by the <a href="../dcomibmenableclasscaching/">-Dcom.ibm.enableClassCaching</a> system property and is now disabled by default due to <a href="https://github.com/eclipse-openj9/openj9/issues/7332">issue #7332</a>.</p> |
| <p><span aria-hidden="true" class="twemoji note"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="m497.9 142.1-46.1 46.1c-4.7 4.7-12.3 4.7-17 0l-111-111c-4.7-4.7-4.7-12.3 0-17l46.1-46.1c18.7-18.7 49.1-18.7 67.9 0l60.1 60.1c18.8 18.7 18.8 49.1 0 67.9zM284.2 99.8 21.6 362.4.4 483.9c-2.9 16.4 11.4 30.6 27.8 27.8l121.5-21.3 262.6-262.6c4.7-4.7 4.7-12.3 0-17l-111-111c-4.8-4.7-12.4-4.7-17.1 0zM124.1 339.9c-5.5-5.5-5.5-14.3 0-19.8l154-154c5.5-5.5 14.3-5.5 19.8 0s5.5 14.3 0 19.8l-154 154c-5.5 5.5-14.3 5.5-19.8 0zM88 424h48v36.3l-64.5 11.3-31.1-31.1L51.7 376H88v48z"/></svg></span> <strong>Note:</strong> Versions of the documentation before 0.17.0 incorrectly identified this property as disabled by default when it was actually enabled by default in the VM.</p> |
| <h2 id="full-release-information">Full release information</h2> |
| <p>To see a complete list of changes between Eclipse OpenJ9 version 0.16 and version 0.17.0 releases, see the <a href="https://github.com/eclipse-openj9/openj9/blob/master/doc/release-notes/0.17/0.17.md">Release notes</a>.</p> |
| <!-- ==== END OF TOPIC ==== version0.17.md ==== --> |
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