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| |
| <li class="md-nav__item"> |
| <a href="../dcomibmenablelegacylogsecurity/" title="-Dcom.ibm.enableLegacyLogSecurity" class="md-nav__link"> |
| -Dcom.ibm.enableLegacyLogSecurity |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../dcomibmenablelegacytracesecurity/" title="-Dcom.ibm.enableLegacyTraceSecurity" class="md-nav__link"> |
| -Dcom.ibm.enableLegacyTraceSecurity |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../dcomibmlangmanagementosmxbeaniscputime100ns/" title="-Dcom.ibm.lang.management.OperatingSystemMXBean.isCpuTime100ns" class="md-nav__link"> |
| -Dcom.ibm.lang.management.OperatingSystemMXBean.isCpuTime100ns |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../dcomibmlangmanagementverbose/" title="-Dcom.ibm.lang.management.verbose" class="md-nav__link"> |
| -Dcom.ibm.lang.management.verbose |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../dcomibmtoolsattachdirectory/" title="-Dcom.ibm.tools.attach.directory" class="md-nav__link"> |
| -Dcom.ibm.tools.attach.directory |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../dcomibmtoolsattachdisplayname/" title="-Dcom.ibm.tools.attach.displayName" class="md-nav__link"> |
| -Dcom.ibm.tools.attach.displayName |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../dcomibmtoolsattachenable/" title="-Dcom.ibm.tools.attach.enable" class="md-nav__link"> |
| -Dcom.ibm.tools.attach.enable |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../dcomibmtoolsattachid/" title="-Dcom.ibm.tools.attach.id" class="md-nav__link"> |
| -Dcom.ibm.tools.attach.id |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../dcomibmtoolsattachtimeout/" title="-Dcom.ibm.tools.attach.timeout" class="md-nav__link"> |
| -Dcom.ibm.tools.attach.timeout |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../dfileencoding/" title="-Dfile.encoding" class="md-nav__link"> |
| -Dfile.encoding |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../djavacompiler/" title="-Djava.compiler" class="md-nav__link"> |
| -Djava.compiler |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../djdknativecbc/" title="-Djdk.nativeCBC" class="md-nav__link"> |
| -Djdk.nativeCBC |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../djdknativecrypto/" title="-Djdk.nativeCrypto" class="md-nav__link"> |
| -Djdk.nativeCrypto |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../djdknativedigest/" title="-Djdk.nativeDigest" class="md-nav__link"> |
| -Djdk.nativeDigest |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../djdknativegcm/" title="-Djdk.nativeGCM" class="md-nav__link"> |
| -Djdk.nativeGCM |
| </a> |
| </li> |
| |
| |
| </ul> |
| </nav> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item md-nav__item--nested"> |
| |
| <input class="md-toggle md-nav__toggle" data-md-toggle="nav-9-5" type="checkbox" id="nav-9-5"> |
| |
| <label class="md-nav__link" for="nav-9-5"> |
| JVM -X options |
| </label> |
| <nav class="md-nav" data-md-component="collapsible" data-md-level="2"> |
| <label class="md-nav__title" for="nav-9-5"> |
| JVM -X options |
| </label> |
| <ul class="md-nav__list" data-md-scrollfix> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../x_jvm_commands/" title="Using -X options" class="md-nav__link"> |
| Using -X options |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../x/" title="-X" class="md-nav__link"> |
| -X |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xaggressive/" title="-Xaggressive" class="md-nav__link"> |
| -Xaggressive |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xalwaysclassgc/" title="-Xalwaysclassgc" class="md-nav__link"> |
| -Xalwaysclassgc |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xaot/" title="-Xaot" class="md-nav__link"> |
| -Xaot |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xargencoding/" title="-Xargencoding" class="md-nav__link"> |
| -Xargencoding |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xbootclasspath/" title="-Xbootclasspath" class="md-nav__link"> |
| -Xbootclasspath |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xceehdlr/" title="-XCEEHDLR" class="md-nav__link"> |
| -XCEEHDLR |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xcheck/" title="-Xcheck" class="md-nav__link"> |
| -Xcheck |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xclassgc/" title="-Xclassgc" class="md-nav__link"> |
| -Xclassgc |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xcodecache/" title="-Xcodecache" class="md-nav__link"> |
| -Xcodecache |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xcodecachetotal/" title="-Xcodecachetotal" class="md-nav__link"> |
| -Xcodecachetotal |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xcomp/" title="-Xcomp" class="md-nav__link"> |
| -Xcomp |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xcompactexplicitgc/" title="-Xcompactexplicitgc" class="md-nav__link"> |
| -Xcompactexplicitgc |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xcompactgc/" title="-Xcompactgc" class="md-nav__link"> |
| -Xcompactgc |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xcompilationthreads/" title="-XcompilationThreads" class="md-nav__link"> |
| -XcompilationThreads |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xcompressedrefs/" title="-Xcompressedrefs" class="md-nav__link"> |
| -Xcompressedrefs |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xconcurrentbackground/" title="-Xconcurrentbackground" class="md-nav__link"> |
| -Xconcurrentbackground |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xconcurrentlevel/" title="-Xconcurrentlevel" class="md-nav__link"> |
| -Xconcurrentlevel |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xconcurrentslack/" title="-Xconcurrentslack" class="md-nav__link"> |
| -Xconcurrentslack |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xconmeter/" title="-Xconmeter" class="md-nav__link"> |
| -Xconmeter |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xdiagnosticscollector/" title="-Xdiagnosticscollector" class="md-nav__link"> |
| -Xdiagnosticscollector |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xenableexcessivegc/" title="-Xdisableexcessivegc" class="md-nav__link"> |
| -Xdisableexcessivegc |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xenableexplicitgc/" title="-Xdisableexplicitgc" class="md-nav__link"> |
| -Xdisableexplicitgc |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xdisablejavadump/" title="-Xdisablejavadump" class="md-nav__link"> |
| -Xdisablejavadump |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xenablestringconstantgc/" title="-Xdisablestringconstantgc" class="md-nav__link"> |
| -Xdisablestringconstantgc |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xdump/" title="-Xdump" class="md-nav__link"> |
| -Xdump |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xenableexcessivegc/" title="-Xenableexcessivegc" class="md-nav__link"> |
| -Xenableexcessivegc |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xenableexplicitgc/" title="-Xenableexplicitgc" class="md-nav__link"> |
| -Xenableexplicitgc |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xenablestringconstantgc/" title="-Xenablestringconstantgc" class="md-nav__link"> |
| -Xenablestringconstantgc |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xfastresolve/" title="-Xfastresolve" class="md-nav__link"> |
| -Xfastresolve |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xfuture/" title="-Xfuture" class="md-nav__link"> |
| -Xfuture |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xgc/" title="-Xgc" class="md-nav__link"> |
| -Xgc |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xgcsplitheap/" title="-Xgc:splitheap" class="md-nav__link"> |
| -Xgc:splitheap |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xgcpolicy/" title="-Xgcpolicy" class="md-nav__link"> |
| -Xgcpolicy |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xgcthreads/" title="-Xgcthreads" class="md-nav__link"> |
| -Xgcthreads |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xgcworkpackets/" title="-Xgcworkpackets" class="md-nav__link"> |
| -Xgcworkpackets |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xifa/" title="-Xifa" class="md-nav__link"> |
| -Xifa |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xint/" title="-Xint" class="md-nav__link"> |
| -Xint |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xss/" title="-Xiss" class="md-nav__link"> |
| -Xiss |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xjit/" title="-Xjit" class="md-nav__link"> |
| -Xjit |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xjni/" title="-Xjni" class="md-nav__link"> |
| -Xjni |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xlinenumbers/" title="-Xlinenumbers" class="md-nav__link"> |
| -Xlinenumbers |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xloa/" title="-Xloa" class="md-nav__link"> |
| -Xloa |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xloaminimum/" title="-Xloainitial" class="md-nav__link"> |
| -Xloainitial |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xloaminimum/" title="-Xloamaximum" class="md-nav__link"> |
| -Xloamaximum |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xloaminimum/" title="-Xloaminimum" class="md-nav__link"> |
| -Xloaminimum |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xlockreservation/" title="-XlockReservation" class="md-nav__link"> |
| -XlockReservation |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xlockword/" title="-Xlockword" class="md-nav__link"> |
| -Xlockword |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xlog/" title="-Xlog" class="md-nav__link"> |
| -Xlog |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xlp/" title="-Xlp" class="md-nav__link"> |
| -Xlp |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xlpcodecache/" title="-Xlp:codecache" class="md-nav__link"> |
| -Xlp:codecache |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xlpobjectheap/" title="-Xlp:objectheap" class="md-nav__link"> |
| -Xlp:objectheap |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xmine/" title="-Xmaxe" class="md-nav__link"> |
| -Xmaxe |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xminf/" title="-Xmaxf" class="md-nav__link"> |
| -Xmaxf |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xmint/" title="-Xmaxt" class="md-nav__link"> |
| -Xmaxt |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xmca/" title="-Xmca" class="md-nav__link"> |
| -Xmca |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xmca/" title="-Xmco" class="md-nav__link"> |
| -Xmco |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xmcrs/" title="-Xmcrs" class="md-nav__link"> |
| -Xmcrs |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xmine/" title="-Xmine" class="md-nav__link"> |
| -Xmine |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xminf/" title="-Xminf" class="md-nav__link"> |
| -Xminf |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xmint/" title="-Xmint" class="md-nav__link"> |
| -Xmint |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xmn/" title="-Xmn" class="md-nav__link"> |
| -Xmn |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xmn/" title="-Xmns" class="md-nav__link"> |
| -Xmns |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xmn/" title="-Xmnx" class="md-nav__link"> |
| -Xmnx |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xmo/" title="-Xmo" class="md-nav__link"> |
| -Xmo |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xmo/" title="-Xmoi" class="md-nav__link"> |
| -Xmoi |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xmo/" title="-Xmos" class="md-nav__link"> |
| -Xmos |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xmo/" title="-Xmox" class="md-nav__link"> |
| -Xmox |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xmr/" title="-Xmr" class="md-nav__link"> |
| -Xmr |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xmr/" title="-Xmrx" class="md-nav__link"> |
| -Xmrx |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xms/" title="-Xms" class="md-nav__link"> |
| -Xms |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xmso/" title="-Xmso" class="md-nav__link"> |
| -Xmso |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xms/" title="-Xmx" class="md-nav__link"> |
| -Xmx |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xaot/" title="-Xnoaot" class="md-nav__link"> |
| -Xnoaot |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xclassgc/" title="-Xnoclassgc" class="md-nav__link"> |
| -Xnoclassgc |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xcompactexplicitgc/" title="-Xnocompactexplicitgc" class="md-nav__link"> |
| -Xnocompactexplicitgc |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xcompactgc/" title="-Xnocompactgc" class="md-nav__link"> |
| -Xnocompactgc |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xcompressedrefs/" title="-Xnocompressedrefs" class="md-nav__link"> |
| -Xnocompressedrefs |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xjit/" title="-Xnojit" class="md-nav__link"> |
| -Xnojit |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xlinenumbers/" title="-Xnolinenumbers" class="md-nav__link"> |
| -Xnolinenumbers |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xloa/" title="-Xnoloa" class="md-nav__link"> |
| -Xnoloa |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xsigcatch/" title="-Xnosigcatch" class="md-nav__link"> |
| -Xnosigcatch |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xsigchain/" title="-Xnosigchain" class="md-nav__link"> |
| -Xnosigchain |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xnumanone/" title="-Xnuma:none" class="md-nav__link"> |
| -Xnuma:none |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xoptionsfile/" title="-Xoptionsfile" class="md-nav__link"> |
| -Xoptionsfile |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xquickstart/" title="-Xquickstart" class="md-nav__link"> |
| -Xquickstart |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xrdbginfo/" title="-Xrdbginfo" class="md-nav__link"> |
| -Xrdbginfo |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xrs/" title="-Xrs" class="md-nav__link"> |
| -Xrs |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xsamplingexpirationtime/" title="-XsamplingExpirationTime" class="md-nav__link"> |
| -XsamplingExpirationTime |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xscdmx/" title="-Xscdmx" class="md-nav__link"> |
| -Xscdmx |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xscminaot/" title="-Xscmaxaot" class="md-nav__link"> |
| -Xscmaxaot |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xscminjitdata/" title="-Xscmaxjitdata" class="md-nav__link"> |
| -Xscmaxjitdata |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xscminaot/" title="-Xscminaot" class="md-nav__link"> |
| -Xscminaot |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xscminjitdata/" title="-Xscminjitdata" class="md-nav__link"> |
| -Xscminjitdata |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xscmx/" title="-Xscmx" class="md-nav__link"> |
| -Xscmx |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xshareclasses/" title="-Xshareclasses" class="md-nav__link"> |
| -Xshareclasses |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xsigcatch/" title="-Xsigcatch" class="md-nav__link"> |
| -Xsigcatch |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xsigchain/" title="-Xsigchain" class="md-nav__link"> |
| -Xsigchain |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xsignal/" title="-Xsignal" class="md-nav__link"> |
| -Xsignal |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xsoftmx/" title="-Xsoftmx" class="md-nav__link"> |
| -Xsoftmx |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xsoftrefthreshold/" title="-Xsoftrefthreshold" class="md-nav__link"> |
| -Xsoftrefthreshold |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xss/" title="-Xss" class="md-nav__link"> |
| -Xss |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xss/" title="-Xssi" class="md-nav__link"> |
| -Xssi |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xtgc/" title="-Xtgc" class="md-nav__link"> |
| -Xtgc |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xthr/" title="-Xthr" class="md-nav__link"> |
| -Xthr |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xtlhprefetch/" title="-XtlhPrefetch" class="md-nav__link"> |
| -XtlhPrefetch |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xtrace/" title="-Xtrace" class="md-nav__link"> |
| -Xtrace |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xtunevirtualized/" title="-Xtune:virtualized" class="md-nav__link"> |
| -Xtune:virtualized |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xverbosegclog/" title="-Xverbosegclog" class="md-nav__link"> |
| -Xverbosegclog |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xverify/" title="-Xverify" class="md-nav__link"> |
| -Xverify |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xzero/" title="-Xzero" class="md-nav__link"> |
| -Xzero |
| </a> |
| </li> |
| |
| |
| </ul> |
| </nav> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item md-nav__item--nested"> |
| |
| <input class="md-toggle md-nav__toggle" data-md-toggle="nav-9-6" type="checkbox" id="nav-9-6"> |
| |
| <label class="md-nav__link" for="nav-9-6"> |
| JVM -XX: options |
| </label> |
| <nav class="md-nav" data-md-component="collapsible" data-md-level="2"> |
| <label class="md-nav__title" for="nav-9-6"> |
| JVM -XX: options |
| </label> |
| <ul class="md-nav__list" data-md-scrollfix> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xx_jvm_commands/" title="Using -XX options" class="md-nav__link"> |
| Using -XX options |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxactiveprocessorcount/" title="-XXActiveProcessorCount" class="md-nav__link"> |
| -XXActiveProcessorCount |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxallowvmshutdown/" title="-XXallowvmshutdown" class="md-nav__link"> |
| -XXallowvmshutdown |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxcodecachetotal/" title="-XX:codecachetotal" class="md-nav__link"> |
| -XX:codecachetotal |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxdisableexplicitgc/" title="-XX:[+|-]DisableExplicitGC" class="md-nav__link"> |
| -XX:[+|-]DisableExplicitGC |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxdisclaimjitscratch/" title="-XX:[+|-]DisclaimJitScratch" class="md-nav__link"> |
| -XX:[+|-]DisclaimJitScratch |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxenablecpumonitor/" title="-XX:[+|-]EnableCPUMonitor" class="md-nav__link"> |
| -XX:[+|-]EnableCPUMonitor |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxhandlesigxfsz/" title="-XX:[+|-]handleSIGXFSZ" class="md-nav__link"> |
| -XX:[+|-]handleSIGXFSZ |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxheapdumponoutofmemory/" title="-XX:[+|-]HeapDumpOnOutOfMemory" class="md-nav__link"> |
| -XX:[+|-]HeapDumpOnOutOfMemory |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxheapdumppath/" title="-XX:HeapDumpPath" class="md-nav__link"> |
| -XX:HeapDumpPath |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxheapmanagementmxbeancompatibility/" title="-XX:[+|-]HeapManagementMXBeanCompatibility" class="md-nav__link"> |
| -XX:[+|-]HeapManagementMXBeanCompatibility |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxidletuningcompactonidle/" title="-XX:[+|-]IdleTuningCompactOnIdle" class="md-nav__link"> |
| -XX:[+|-]IdleTuningCompactOnIdle |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxidletuninggconidle/" title="-XX:[+|-]IdleTuningGcOnIdle" class="md-nav__link"> |
| -XX:[+|-]IdleTuningGcOnIdle |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxidletuningminfreeheaponidle/" title="-XX:IdleTuningMinFreeHeapOnIdle" class="md-nav__link"> |
| -XX:IdleTuningMinFreeHeapOnIdle |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxidletuningminidlewaittime/" title="-XX:IdleTuningMinIdleWaitTime" class="md-nav__link"> |
| -XX:IdleTuningMinIdleWaitTime |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxignoreunrecognizedvmoptions/" title="-XX:[+|-]IgnoreUnrecognizedVMOptions" class="md-nav__link"> |
| -XX:[+|-]IgnoreUnrecognizedVMOptions |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxinitialrampercentage/" title="-XX:InitialRAMPercentage" class="md-nav__link"> |
| -XX:InitialRAMPercentage |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxinitialheapsize/" title="-XX:InitialHeapSize" class="md-nav__link"> |
| -XX:InitialHeapSize |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxinterleavememory/" title="-XX:[+|-]InterleaveMemory" class="md-nav__link"> |
| -XX:[+|-]InterleaveMemory |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxlazysymbolresolution/" title="-XX:[+|-]LazySymbolResolution" class="md-nav__link"> |
| -XX:[+|-]LazySymbolResolution |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxmaxdirectmemorysize/" title="-XX:MaxDirectMemorySize" class="md-nav__link"> |
| -XX:MaxDirectMemorySize |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxinitialheapsize/" title="-XX:MaxHeapSize" class="md-nav__link"> |
| -XX:MaxHeapSize |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxinitialrampercentage/" title="-XX:MaxRAMPercentage" class="md-nav__link"> |
| -XX:MaxRAMPercentage |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxnosuballoc32bitmem/" title="-XXnosuballoc32bitmem" class="md-nav__link"> |
| -XXnosuballoc32bitmem |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxpagealigndirectmemory/" title="-XX:[+|-]PageAlignDirectMemory" class="md-nav__link"> |
| -XX:[+|-]PageAlignDirectMemory |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxpositiveidentityhash/" title="-XX:[+|-]PositiveIdentityHash" class="md-nav__link"> |
| -XX:[+|-]PositiveIdentityHash |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxreducecpumonitoroverhead/" title="-XX:[+|-]ReduceCPUMonitorOverhead" class="md-nav__link"> |
| -XX:[+|-]ReduceCPUMonitorOverhead |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxruntimeinstrumentation/" title="-XX:[+|-]RuntimeInstrumentation" class="md-nav__link"> |
| -XX:[+|-]RuntimeInstrumentation |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxsethwprefetch/" title="-XXsetHWPrefetch" class="md-nav__link"> |
| -XXsetHWPrefetch |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxshareclassesenablebci/" title="-XX:ShareClassesDisableBCI" class="md-nav__link"> |
| -XX:ShareClassesDisableBCI |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxshareclassesenablebci/" title="-XX:ShareClassesEnableBCI" class="md-nav__link"> |
| -XX:ShareClassesEnableBCI |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxsharedcachehardlimit/" title="-XX:SharedCacheHardLimit" class="md-nav__link"> |
| -XX:SharedCacheHardLimit |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxstacktraceinthrowable/" title="-XX:-StackTraceInThrowable" class="md-nav__link"> |
| -XX:-StackTraceInThrowable |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxthreadstacksize/" title="-XX:ThreadStackSize" class="md-nav__link"> |
| -XX:ThreadStackSize |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxusecompressedoops/" title="-XX:[+|-]UseCompressedOops" class="md-nav__link"> |
| -XX:[+|-]UseCompressedOops |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxusecontainersupport/" title="-XX:[+|-]UseContainerSupport" class="md-nav__link"> |
| -XX:[+|-]UseContainerSupport |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxusenogc/" title="-XX:[+|-]UseNoGC" class="md-nav__link"> |
| -XX:[+|-]UseNoGC |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../xxverboseverification/" title="-XX:[+|-]VerboseVerification" class="md-nav__link"> |
| -XX:[+|-]VerboseVerification |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
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| <h1 id="whats-new-in-version-0120">What's new in version 0.12.0</h1> |
| <p><i class="fa fa-pencil-square-o" aria-hidden="true"></i> <strong>Note:</strong> This release is under development. For more information about the features that are expected in this release, read the <a href="https://projects.eclipse.org/projects/technology.openj9/releases/0.12.0">release plan</a>.</p> |
| <!--Use the line below for the final release notes and remove the one below that. Don't forget to add a download and full release changes at the bottom of the topic --> |
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| <p>The following new features and notable changes since v.0.11.0 are delivered in the OpenJ9 code base:</p> |
| <ul> |
| <li><a href="#improved-flexibility-for-managing-the-size-of-the-jit-code-cache">Improved flexibility for managing the size of the JIT code cache</a></li> |
| <li><a href="#class-data-sharing-is-enabled-by-default">Class data sharing is enabled by default</a></li> |
| <li><img alt="Start of content that applies only to Java 11 (LTS)" src="../cr/java11.png" /> <a href="#openssl-is-now-supported-for-improved-native-cryptographic-performance">OpenSSL is now supported for improved native cryptographic performance</a></li> |
| <li><a href="#improved-support-for-pause-less-garbage-collection">Improved support for pause-less garbage collection</a></li> |
| <li><a href="#ibm_java_options-is-deprecated"><code>IBM_JAVA_OPTIONS</code> is deprecated</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 0.12.0 provides limited support for the macOS® platform on OpenJDK 8. Early builds of OpenJDK 8 with OpenJ9 on macOS are available at the AdoptOpenJDK project at the following link:</p> |
| <ul> |
| <li><a href="https://adoptopenjdk.net/nightly.html?variant=openjdk8&jvmVariant=openj9">OpenJDK 8 with OpenJ9 macOS x64</a></li> |
| </ul> |
| <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="improved-flexibility-for-managing-the-size-of-the-jit-code-cache">Improved flexibility for managing the size of the JIT code cache</h3> |
| <p>The JIT code cache stores the native code of compiled Java™ methods. By default, the size of the code cache is 256 MB for a 64-bit VM and 64 MB for a 31/32-bit VM. In earlier releases the size of the code cache could be increased from the default value by using the <code>-Xcodecachetotal</code> command line option. In this release the size can also be decreased by using this option, with a minimum size of 2 MB. The size of the JIT code cache also affects the size of the JIT data cache, which holds metadata about compiled methods. If you use the <code>-Xcodecachetotal</code> option to manage the size of the code cache, the size of the data cache is adjusted by the same proportion. For more information, see <a href="../xcodecachetotal/"><code>-Xcodecachetotal</code></a>.</p> |
| <h3 id="class-data-sharing-is-enabled-by-default">Class data sharing is enabled by default</h3> |
| <p>Class data sharing is enabled by default for bootstrap classes, unless your application is running in a container. You can use the <code>-Xshareclasses</code> option to change the default behavior. For more information, see <a href="../shrc/">Class Data Sharing</a>.</p> |
| <h3 id="openssl-is-now-supported-for-improved-native-cryptographic-performance">OpenSSL is now supported for improved native cryptographic performance</h3> |
| <p><img alt="Start of content that applies only to Java 11 (LTS)" src="../cr/java11.png" /></p> |
| <p>OpenSSL is a native open source cryptographic toolkit for Transport Layer Security (TLS) and Secure Sockets Layer (SSL) protocols, which provides improved cryptographic performance compared to the in-built OpenJDK Java cryptographic implementation. The OpenSSL V1.1.x implementation is enabled by default and supported for the Digest, CBC, and GCM algorithms. Binaries obtained from AdoptOpenJDK include OpenSSL v1.1.x (see Note). For more information about tuning the OpenSSL implementation, see <a href="../introduction/#cryptographic-operations">Performance tuning</a>.</p> |
| <p><i class="fa fa-pencil-square-o" aria-hidden="true"></i> <strong>Note:</strong> OpenJDK 8 with OpenJ9 includes OpenSSL support since V0.11.0. Currently, OpenSSL is not bundled as part of the AdoptOpenJDK AIX binaries due to an unresolved problem.</p> |
| <p><img alt="End of content that applies only to Java 11 (LTS)" src="../cr/java_close_lts.png" /></p> |
| <h3 id="improved-support-for-pause-less-garbage-collection">Improved support for pause-less garbage collection</h3> |
| <p>Concurrent scavenge mode is now supported on 64-bit Windows operating systems.</p> |
| <p>In Eclipse OpenJ9 V0.11.0, support was added for <code>-Xgc:concurrentScavenge</code> on Linux x86-64 virtual machines that use compressed references. In this release, support is now available for Linux x86-64 large-heap virtual machines (non-compressed references).</p> |
| <p>For more information, see the <a href="../xgc/#concurrentscavenge"><code>-Xgc:concurrentScavenge</code></a> option.</p> |
| <h3 id="ibm_java_options-is-deprecated"><code>IBM_JAVA_OPTIONS</code> is deprecated</h3> |
| <p>The VM environment variable <code>IBM_JAVA_OPTIONS</code> is deprecated and is replaced by <code>OPENJ9_JAVA_OPTIONS</code>. <code>IBM_JAVA_OPTIONS</code> will be removed in a future release. For more information about the use of this variable, see the <a href="../env_var/#general-options">general options</a> in <a href="../env_var/">Environment variables</a>.</p> |
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