javadoc/jetty-9/org/eclipse/jetty/io/LogarithmicArrayByteBufferPool.html - www.eclipse.org/jetty - Git at Google

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 <h2 title="Class LogarithmicArrayByteBufferPool" class="title">Class LogarithmicArrayByteBufferPool</h2>
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 <pre>public class <span class="typeNameLabel">LogarithmicArrayByteBufferPool</span>
 extends <a href="ArrayByteBufferPool.html" title="class in org.eclipse.jetty.io">ArrayByteBufferPool</a></pre>
 <div class="block">Extension of the <a href="ArrayByteBufferPool.html" title="class in org.eclipse.jetty.io"><code>ArrayByteBufferPool</code></a> whose bucket sizes increase exponentially instead of linearly.
  Each bucket will be double the size of the previous bucket, this decreases the amounts of buckets required
  which can lower total memory usage if buffers are often being acquired of different sizes. However as there are
  fewer buckets this will also increase the contention on each bucket.</div>
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 <h3>Nested classes/interfaces inherited from interface&nbsp;org.eclipse.jetty.io.<a href="ByteBufferPool.html" title="interface in org.eclipse.jetty.io">ByteBufferPool</a></h3>
 <code><a href="ByteBufferPool.Bucket.html" title="class in org.eclipse.jetty.io">ByteBufferPool.Bucket</a>, <a href="ByteBufferPool.Lease.html" title="class in org.eclipse.jetty.io">ByteBufferPool.Lease</a></code></li>
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 <th class="colFirst" scope="col">Constructor</th>
 <th class="colLast" scope="col">Description</th>
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 <tr class="altColor">
 <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">LogarithmicArrayByteBufferPool</a></span>()</code></th>
 <td class="colLast">
 <div class="block">Creates a new ByteBufferPool with a default configuration.</div>
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 <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(int,int)">LogarithmicArrayByteBufferPool</a></span>&#8203;(int&nbsp;minCapacity,
                               int&nbsp;maxCapacity)</code></th>
 <td class="colLast">
 <div class="block">Creates a new ByteBufferPool with the given configuration.</div>
 </td>
 </tr>
 <tr class="altColor">
 <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(int,int,int)">LogarithmicArrayByteBufferPool</a></span>&#8203;(int&nbsp;minCapacity,
                               int&nbsp;maxCapacity,
                               int&nbsp;maxQueueLength)</code></th>
 <td class="colLast">
 <div class="block">Creates a new ByteBufferPool with the given configuration.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(int,int,int,long,long)">LogarithmicArrayByteBufferPool</a></span>&#8203;(int&nbsp;minCapacity,
                               int&nbsp;maxCapacity,
                               int&nbsp;maxQueueLength,
                               long&nbsp;maxHeapMemory,
                               long&nbsp;maxDirectMemory)</code></th>
 <td class="colLast">
 <div class="block">Creates a new ByteBufferPool with the given configuration.</div>
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 <td class="colFirst"><code>protected int</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#bucketFor(int)">bucketFor</a></span>&#8203;(int&nbsp;capacity)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i1" class="rowColor">
 <td class="colFirst"><code>protected int</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#capacityFor(int)">capacityFor</a></span>&#8203;(int&nbsp;bucket)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i2" class="altColor">
 <td class="colFirst"><code>protected void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#decrementMemory(java.nio.ByteBuffer)">decrementMemory</a></span>&#8203;(java.nio.ByteBuffer&nbsp;buffer)</code></th>
 <td class="colLast">
 <div class="block"><span class="deprecatedLabel">Deprecated.</span></div>
 </td>
 </tr>
 <tr id="i3" class="rowColor">
 <td class="colFirst"><code>protected int</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getCapacityFactor()">getCapacityFactor</a></span>()</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i4" class="altColor">
 <td class="colFirst"><code>long</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getDirectMemory()">getDirectMemory</a></span>()</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i5" class="rowColor">
 <td class="colFirst"><code>long</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getHeapMemory()">getHeapMemory</a></span>()</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i6" class="altColor">
 <td class="colFirst"><code>long</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getMaxDirectMemory()">getMaxDirectMemory</a></span>()</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i7" class="rowColor">
 <td class="colFirst"><code>long</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getMaxHeapMemory()">getMaxHeapMemory</a></span>()</code></th>
 <td class="colLast">&nbsp;</td>
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 <tr id="i8" class="altColor">
 <td class="colFirst"><code>protected int</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getMaxQueueLength()">getMaxQueueLength</a></span>()</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i9" class="rowColor">
 <td class="colFirst"><code>long</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getMemory(boolean)">getMemory</a></span>&#8203;(boolean&nbsp;direct)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i10" class="altColor">
 <td class="colFirst"><code>protected void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#incrementMemory(java.nio.ByteBuffer)">incrementMemory</a></span>&#8203;(java.nio.ByteBuffer&nbsp;buffer)</code></th>
 <td class="colLast">
 <div class="block"><span class="deprecatedLabel">Deprecated.</span></div>
 </td>
 </tr>
 <tr id="i11" class="rowColor">
 <td class="colFirst"><code>protected void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#releaseExcessMemory(boolean,java.util.function.Consumer)">releaseExcessMemory</a></span>&#8203;(boolean&nbsp;direct,
                    java.util.function.Consumer&lt;java.lang.Boolean&gt;&nbsp;clearFn)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i12" class="altColor">
 <td class="colFirst"><code>protected void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#releaseMemory(boolean)">releaseMemory</a></span>&#8203;(boolean&nbsp;direct)</code></th>
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 <h3>Methods inherited from class&nbsp;org.eclipse.jetty.io.<a href="ArrayByteBufferPool.html" title="class in org.eclipse.jetty.io">ArrayByteBufferPool</a></h3>
 <code><a href="ArrayByteBufferPool.html#acquire(int,boolean)">acquire</a>, <a href="ArrayByteBufferPool.html#clear()">clear</a>, <a href="ArrayByteBufferPool.html#dump(java.lang.Appendable,java.lang.String)">dump</a>, <a href="ArrayByteBufferPool.html#getDirectByteBufferCount()">getDirectByteBufferCount</a>, <a href="ArrayByteBufferPool.html#getHeapByteBufferCount()">getHeapByteBufferCount</a>, <a href="ArrayByteBufferPool.html#isDetailedDump()">isDetailedDump</a>, <a href="ArrayByteBufferPool.html#release(java.nio.ByteBuffer)">release</a>, <a href="ArrayByteBufferPool.html#setDetailedDump(boolean)">setDetailedDump</a>, <a href="ArrayByteBufferPool.html#toString()">toString</a></code></li>
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 <code><a href="ByteBufferPool.html#newByteBuffer(int,boolean)">newByteBuffer</a>, <a href="ByteBufferPool.html#remove(java.nio.ByteBuffer)">remove</a></code></li>
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 <code><a href="../util/component/Dumpable.html#dump()">dump</a>, <a href="../util/component/Dumpable.html#dumpSelf()">dumpSelf</a></code></li>
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 <h4>LogarithmicArrayByteBufferPool</h4>
 <pre>public&nbsp;LogarithmicArrayByteBufferPool()</pre>
 <div class="block">Creates a new ByteBufferPool with a default configuration.</div>
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 <pre>public&nbsp;LogarithmicArrayByteBufferPool&#8203;(int&nbsp;minCapacity,
                                       int&nbsp;maxCapacity)</pre>
 <div class="block">Creates a new ByteBufferPool with the given configuration.</div>
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 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>minCapacity</code> - the minimum ByteBuffer capacity</dd>
 <dd><code>maxCapacity</code> - the maximum ByteBuffer capacity</dd>
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 <pre>public&nbsp;LogarithmicArrayByteBufferPool&#8203;(int&nbsp;minCapacity,
                                       int&nbsp;maxCapacity,
                                       int&nbsp;maxQueueLength)</pre>
 <div class="block">Creates a new ByteBufferPool with the given configuration.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>minCapacity</code> - the minimum ByteBuffer capacity</dd>
 <dd><code>maxCapacity</code> - the maximum ByteBuffer capacity</dd>
 <dd><code>maxQueueLength</code> - the maximum ByteBuffer queue length</dd>
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 <h4>LogarithmicArrayByteBufferPool</h4>
 <pre>public&nbsp;LogarithmicArrayByteBufferPool&#8203;(int&nbsp;minCapacity,
                                       int&nbsp;maxCapacity,
                                       int&nbsp;maxQueueLength,
                                       long&nbsp;maxHeapMemory,
                                       long&nbsp;maxDirectMemory)</pre>
 <div class="block">Creates a new ByteBufferPool with the given configuration.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>minCapacity</code> - the minimum ByteBuffer capacity</dd>
 <dd><code>maxCapacity</code> - the maximum ByteBuffer capacity</dd>
 <dd><code>maxQueueLength</code> - the maximum ByteBuffer queue length</dd>
 <dd><code>maxHeapMemory</code> - the max heap memory in bytes</dd>
 <dd><code>maxDirectMemory</code> - the max direct memory in bytes</dd>
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 <pre class="methodSignature">@Deprecated
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 <div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span></div>
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 <h4>incrementMemory</h4>
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