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| <div class="subTitle">org.apache.hadoop.hbase.io.hfile.bucket</div> |
| <h2 title="Class BucketCache.WriterThread" class="title">Class BucketCache.WriterThread</h2> |
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| <li>org.apache.hadoop.hbase.io.hfile.bucket.BucketCache.WriterThread</li> |
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| <dd><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.html" title="class in org.apache.hadoop.hbase.io.hfile.bucket">BucketCache</a></dd> |
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| <pre>class <a href="../../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.html#line.866">BucketCache.WriterThread</a> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true" title="class or interface in java.lang">Thread</a></pre> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
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| <td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/BlockingQueue.html?is-external=true" title="class or interface in java.util.concurrent">BlockingQueue</a><<a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.RAMQueueEntry.html" title="class in org.apache.hadoop.hbase.io.hfile.bucket">BucketCache.RAMQueueEntry</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.WriterThread.html#inputQueue">inputQueue</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.WriterThread.html#writerEnabled">writerEnabled</a></span></code> </td> |
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| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#MAX_PRIORITY" title="class or interface in java.lang">MAX_PRIORITY</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#MIN_PRIORITY" title="class or interface in java.lang">MIN_PRIORITY</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#NORM_PRIORITY" title="class or interface in java.lang">NORM_PRIORITY</a></code></li> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.WriterThread.html#WriterThread-java.util.concurrent.BlockingQueue-">WriterThread</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/BlockingQueue.html?is-external=true" title="class or interface in java.util.concurrent">BlockingQueue</a><<a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.RAMQueueEntry.html" title="class in org.apache.hadoop.hbase.io.hfile.bucket">BucketCache.RAMQueueEntry</a>> queue)</code> </td> |
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| <td class="colFirst"><code>(package private) void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.WriterThread.html#disableWriter--">disableWriter</a></span>()</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>(package private) void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.WriterThread.html#doDrain-java.util.List-">doDrain</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.RAMQueueEntry.html" title="class in org.apache.hadoop.hbase.io.hfile.bucket">BucketCache.RAMQueueEntry</a>> entries)</code> |
| <div class="block">Flush the entries in ramCache to IOEngine and add bucket entry to backingMap.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>private void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.WriterThread.html#putIntoBackingMap-org.apache.hadoop.hbase.io.hfile.BlockCacheKey-org.apache.hadoop.hbase.io.hfile.bucket.BucketEntry-">putIntoBackingMap</a></span>(<a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCacheKey.html" title="class in org.apache.hadoop.hbase.io.hfile">BlockCacheKey</a> key, |
| <a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/BucketEntry.html" title="class in org.apache.hadoop.hbase.io.hfile.bucket">BucketEntry</a> bucketEntry)</code> |
| <div class="block">Put the new bucket entry into backingMap.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.WriterThread.html#run--">run</a></span>()</code> </td> |
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| </table> |
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| <!-- --> |
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| <h3>Methods inherited from class java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true" title="class or interface in java.lang">Thread</a></h3> |
| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#activeCount--" title="class or interface in java.lang">activeCount</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#checkAccess--" title="class or interface in java.lang">checkAccess</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#countStackFrames--" title="class or interface in java.lang">countStackFrames</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#currentThread--" title="class or interface in java.lang">currentThread</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#destroy--" title="class or interface in java.lang">destroy</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#dumpStack--" title="class or interface in java.lang">dumpStack</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#enumerate-java.lang.Thread:A-" title="class or interface in java.lang">enumerate</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#getAllStackTraces--" title="class or interface in java.lang">getAllStackTraces</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#getContextClassLoader--" title="class or interface in java.lang">getContextClassLoader</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#getDefaultUncaughtExceptionHandler--" title="class or interface in java.lang">getDefaultUncaughtExceptionHandler</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#getId--" title="class or interface in java.lang">getId</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#getName--" title="class or interface in java.lang">getName</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#getPriority--" title="class or interface in java.lang">getPriority</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#getStackTrace--" title="class or interface in java.lang">getStackTrace</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#getState--" title="class or interface in java.lang">getState</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#getThreadGroup--" title="class or interface in java.lang">getThreadGroup</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#getUncaughtExceptionHandler--" title="class or interface in java.lang">getUncaughtExceptionHandler</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#holdsLock-java.lang.Object-" title="class or interface in java.lang">holdsLock</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#interrupt--" title="class or interface in java.lang">interrupt</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#interrupted--" title="class or interface in java.lang">interrupted</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#isAlive--" title="class or interface in java.lang">isAlive</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#isDaemon--" title="class or interface in java.lang">isDaemon</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#isInterrupted--" title="class or interface in java.lang">isInterrupted</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#join--" title="class or interface in java.lang">join</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#join-long-" title="class or interface in java.lang">join</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#join-long-int-" title="class or interface in java.lang">join</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#resume--" title="class or interface in java.lang">resume</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#setContextClassLoader-java.lang.ClassLoader-" title="class or interface in java.lang">setContextClassLoader</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#setDaemon-boolean-" title="class or interface in java.lang">setDaemon</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#setDefaultUncaughtExceptionHandler-java.lang.Thread.UncaughtExceptionHandler-" title="class or interface in java.lang">setDefaultUncaughtExceptionHandler</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#setName-java.lang.String-" title="class or interface in java.lang">setName</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#setPriority-int-" title="class or interface in java.lang">setPriority</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#setUncaughtExceptionHandler-java.lang.Thread.UncaughtExceptionHandler-" title="class or interface in java.lang">setUncaughtExceptionHandler</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#sleep-long-" title="class or interface in java.lang">sleep</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#sleep-long-int-" title="class or interface in java.lang">sleep</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#start--" title="class or interface in java.lang">start</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#stop--" title="class or interface in java.lang">stop</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#stop-java.lang.Throwable-" title="class or interface in java.lang">stop</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#suspend--" title="class or interface in java.lang">suspend</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#yield--" title="class or interface in java.lang">yield</a></code></li> |
| </ul> |
| <ul class="blockList"> |
| <li class="blockList"><a name="methods.inherited.from.class.java.lang.Object"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from class java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3> |
| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ FIELD DETAIL =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="field.detail"> |
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| <h3>Field Detail</h3> |
| <a name="inputQueue"> |
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| <h4>inputQueue</h4> |
| <pre>private final <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/BlockingQueue.html?is-external=true" title="class or interface in java.util.concurrent">BlockingQueue</a><<a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.RAMQueueEntry.html" title="class in org.apache.hadoop.hbase.io.hfile.bucket">BucketCache.RAMQueueEntry</a>> <a href="../../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.WriterThread.html#line.867">inputQueue</a></pre> |
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| <pre>private volatile boolean <a href="../../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.WriterThread.html#line.868">writerEnabled</a></pre> |
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| <h3>Constructor Detail</h3> |
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| <h4>WriterThread</h4> |
| <pre><a href="../../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.WriterThread.html#line.870">WriterThread</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/BlockingQueue.html?is-external=true" title="class or interface in java.util.concurrent">BlockingQueue</a><<a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.RAMQueueEntry.html" title="class in org.apache.hadoop.hbase.io.hfile.bucket">BucketCache.RAMQueueEntry</a>> queue)</pre> |
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| <pre>void <a href="../../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.WriterThread.html#line.876">disableWriter</a>()</pre> |
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| <h4>run</h4> |
| <pre>public void <a href="../../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.WriterThread.html#line.881">run</a>()</pre> |
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| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Runnable.html?is-external=true#run--" title="class or interface in java.lang">run</a></code> in interface <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Runnable.html?is-external=true" title="class or interface in java.lang">Runnable</a></code></dd> |
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| <a name="putIntoBackingMap-org.apache.hadoop.hbase.io.hfile.BlockCacheKey-org.apache.hadoop.hbase.io.hfile.bucket.BucketEntry-"> |
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| <h4>putIntoBackingMap</h4> |
| <pre>private void <a href="../../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.WriterThread.html#line.917">putIntoBackingMap</a>(<a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCacheKey.html" title="class in org.apache.hadoop.hbase.io.hfile">BlockCacheKey</a> key, |
| <a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/BucketEntry.html" title="class in org.apache.hadoop.hbase.io.hfile.bucket">BucketEntry</a> bucketEntry)</pre> |
| <div class="block">Put the new bucket entry into backingMap. Notice that we are allowed to replace the existing |
| cache with a new block for the same cache key. there's a corner case: one thread cache a |
| block in ramCache, copy to io-engine and add a bucket entry to backingMap. Caching another |
| new block with the same cache key do the same thing for the same cache key, so if not evict |
| the previous bucket entry, then memory leak happen because the previous bucketEntry is gone |
| but the bucketAllocator do not free its memory.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>key</code> - Block cache key</dd> |
| <dd><code>bucketEntry</code> - Bucket entry to put into backingMap.</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.html#shouldReplaceExistingCacheBlock-org.apache.hadoop.hbase.io.hfile.BlockCache-org.apache.hadoop.hbase.io.hfile.BlockCacheKey-org.apache.hadoop.hbase.io.hfile.Cacheable-"><code>BlockCacheUtil.shouldReplaceExistingCacheBlock(BlockCache blockCache,BlockCacheKey |
| cacheKey, Cacheable newBlock)</code></a></dd> |
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| <h4>doDrain</h4> |
| <pre>void <a href="../../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.WriterThread.html#line.935">doDrain</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.RAMQueueEntry.html" title="class in org.apache.hadoop.hbase.io.hfile.bucket">BucketCache.RAMQueueEntry</a>> entries) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre> |
| <div class="block">Flush the entries in ramCache to IOEngine and add bucket entry to backingMap. |
| Process all that are passed in even if failure being sure to remove from ramCache else we'll |
| never undo the references and we'll OOME.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>entries</code> - Presumes list passed in here will be processed by this invocation only. No |
| interference expected.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code></dd> |
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