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| <div class="subTitle">org.apache.hadoop.hbase.regionserver</div> |
| <h2 title="Class HStore.StoreFlusherImpl" class="title">Class HStore.StoreFlusherImpl</h2> |
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| <li>org.apache.hadoop.hbase.regionserver.HStore.StoreFlusherImpl</li> |
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| <dd><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFlushContext.html" title="interface in org.apache.hadoop.hbase.regionserver">StoreFlushContext</a></dd> |
| </dl> |
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| <dd><a href="../../../../../org/apache/hadoop/hbase/regionserver/HStore.html" title="class in org.apache.hadoop.hbase.regionserver">HStore</a></dd> |
| </dl> |
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| <pre>private final class <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/HStore.html#line.2304">HStore.StoreFlusherImpl</a> |
| extends <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> |
| implements <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFlushContext.html" title="interface in org.apache.hadoop.hbase.regionserver">StoreFlushContext</a></pre> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HStore.StoreFlusherImpl.html#cacheFlushCount">cacheFlushCount</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HStore.StoreFlusherImpl.html#cacheFlushSeqNum">cacheFlushSeqNum</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HStore.StoreFlusherImpl.html#cacheFlushSize">cacheFlushSize</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private <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><org.apache.hadoop.fs.Path></code></td> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>private long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HStore.StoreFlusherImpl.html#outputFileSize">outputFileSize</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreSnapshot.html" title="class in org.apache.hadoop.hbase.regionserver">MemStoreSnapshot</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HStore.StoreFlusherImpl.html#snapshot">snapshot</a></span></code> </td> |
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| <td class="colFirst"><code>private <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><org.apache.hadoop.fs.Path></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HStore.StoreFlusherImpl.html#tempFiles">tempFiles</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/regionserver/FlushLifeCycleTracker.html" title="interface in org.apache.hadoop.hbase.regionserver">FlushLifeCycleTracker</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HStore.StoreFlusherImpl.html#tracker">tracker</a></span></code> </td> |
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| <td class="colFirst"><code>private </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HStore.StoreFlusherImpl.html#StoreFlusherImpl-long-org.apache.hadoop.hbase.regionserver.FlushLifeCycleTracker-">StoreFlusherImpl</a></span>(long cacheFlushSeqNum, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/FlushLifeCycleTracker.html" title="interface in org.apache.hadoop.hbase.regionserver">FlushLifeCycleTracker</a> tracker)</code> </td> |
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| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HStore.StoreFlusherImpl.html#abort--">abort</a></span>()</code> |
| <div class="block">Abort the snapshot preparation.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HStore.StoreFlusherImpl.html#commit-org.apache.hadoop.hbase.monitoring.MonitoredTask-">commit</a></span>(<a href="../../../../../org/apache/hadoop/hbase/monitoring/MonitoredTask.html" title="interface in org.apache.hadoop.hbase.monitoring">MonitoredTask</a> status)</code> |
| <div class="block">Commit the flush - add the store file to the store and clear the |
| memstore snapshot.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HStore.StoreFlusherImpl.html#flushCache-org.apache.hadoop.hbase.monitoring.MonitoredTask-">flushCache</a></span>(<a href="../../../../../org/apache/hadoop/hbase/monitoring/MonitoredTask.html" title="interface in org.apache.hadoop.hbase.monitoring">MonitoredTask</a> status)</code> |
| <div class="block">Flush the cache (create the new store file) |
| |
| A length operation which doesn't require locking out any function |
| of the store.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><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><org.apache.hadoop.fs.Path></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HStore.StoreFlusherImpl.html#getCommittedFiles--">getCommittedFiles</a></span>()</code> |
| <div class="block">Returns the newly committed files from the flush.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HStore.StoreFlusherImpl.html#getOutputFileSize--">getOutputFileSize</a></span>()</code> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreSize.html" title="class in org.apache.hadoop.hbase.regionserver">MemStoreSize</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HStore.StoreFlusherImpl.html#prepare--">prepare</a></span>()</code> |
| <div class="block">This is not thread safe.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HStore.StoreFlusherImpl.html#replayFlush-java.util.List-boolean-">replayFlush</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="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> fileNames, |
| boolean dropMemstoreSnapshot)</code> |
| <div class="block">Similar to commit, but called in secondary region replicas for replaying the |
| flush cache from primary region.</div> |
| </td> |
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| <pre>private final <a href="../../../../../org/apache/hadoop/hbase/regionserver/FlushLifeCycleTracker.html" title="interface in org.apache.hadoop.hbase.regionserver">FlushLifeCycleTracker</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/HStore.StoreFlusherImpl.html#line.2306">tracker</a></pre> |
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| <a href="../../../../../org/apache/hadoop/hbase/regionserver/FlushLifeCycleTracker.html" title="interface in org.apache.hadoop.hbase.regionserver">FlushLifeCycleTracker</a> tracker)</pre> |
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| <h4>prepare</h4> |
| <pre>public <a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreSize.html" title="class in org.apache.hadoop.hbase.regionserver">MemStoreSize</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/HStore.StoreFlusherImpl.html#line.2325">prepare</a>()</pre> |
| <div class="block">This is not thread safe. The caller should have a lock on the region or the store. |
| If necessary, the lock can be added with the patch provided in HBASE-10087</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFlushContext.html#prepare--">prepare</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFlushContext.html" title="interface in org.apache.hadoop.hbase.regionserver">StoreFlushContext</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The size of snapshot to flush</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="flushCache-org.apache.hadoop.hbase.monitoring.MonitoredTask-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>flushCache</h4> |
| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/HStore.StoreFlusherImpl.html#line.2335">flushCache</a>(<a href="../../../../../org/apache/hadoop/hbase/monitoring/MonitoredTask.html" title="interface in org.apache.hadoop.hbase.monitoring">MonitoredTask</a> status) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFlushContext.html#flushCache-org.apache.hadoop.hbase.monitoring.MonitoredTask-">StoreFlushContext</a></code></span></div> |
| <div class="block">Flush the cache (create the new store file) |
| |
| A length operation which doesn't require locking out any function |
| of the store.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFlushContext.html#flushCache-org.apache.hadoop.hbase.monitoring.MonitoredTask-">flushCache</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFlushContext.html" title="interface in org.apache.hadoop.hbase.regionserver">StoreFlushContext</a></code></dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - in case the flush fails</dd> |
| </dl> |
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| <a name="commit-org.apache.hadoop.hbase.monitoring.MonitoredTask-"> |
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| <h4>commit</h4> |
| <pre>public boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/HStore.StoreFlusherImpl.html#line.2344">commit</a>(<a href="../../../../../org/apache/hadoop/hbase/monitoring/MonitoredTask.html" title="interface in org.apache.hadoop.hbase.monitoring">MonitoredTask</a> status) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFlushContext.html#commit-org.apache.hadoop.hbase.monitoring.MonitoredTask-">StoreFlushContext</a></code></span></div> |
| <div class="block">Commit the flush - add the store file to the store and clear the |
| memstore snapshot. |
| |
| Requires pausing scans. |
| |
| A very short operation</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFlushContext.html#commit-org.apache.hadoop.hbase.monitoring.MonitoredTask-">commit</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFlushContext.html" title="interface in org.apache.hadoop.hbase.regionserver">StoreFlushContext</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>whether compaction is required</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
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| <h4>getOutputFileSize</h4> |
| <pre>public long <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/HStore.StoreFlusherImpl.html#line.2376">getOutputFileSize</a>()</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFlushContext.html#getOutputFileSize--">getOutputFileSize</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFlushContext.html" title="interface in org.apache.hadoop.hbase.regionserver">StoreFlushContext</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the total file size for flush output files, in bytes</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getCommittedFiles--"> |
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| <ul class="blockList"> |
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| <h4>getCommittedFiles</h4> |
| <pre>public <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><org.apache.hadoop.fs.Path> <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/HStore.StoreFlusherImpl.html#line.2381">getCommittedFiles</a>()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFlushContext.html#getCommittedFiles--">StoreFlushContext</a></code></span></div> |
| <div class="block">Returns the newly committed files from the flush. Called only if commit returns true</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFlushContext.html#getCommittedFiles--">getCommittedFiles</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFlushContext.html" title="interface in org.apache.hadoop.hbase.regionserver">StoreFlushContext</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a list of Paths for new files</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="replayFlush-java.util.List-boolean-"> |
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| <h4>replayFlush</h4> |
| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/HStore.StoreFlusherImpl.html#line.2393">replayFlush</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="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> fileNames, |
| boolean dropMemstoreSnapshot) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Similar to commit, but called in secondary region replicas for replaying the |
| flush cache from primary region. Adds the new files to the store, and drops the |
| snapshot depending on dropMemstoreSnapshot argument.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFlushContext.html#replayFlush-java.util.List-boolean-">replayFlush</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFlushContext.html" title="interface in org.apache.hadoop.hbase.regionserver">StoreFlushContext</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fileNames</code> - names of the flushed files</dd> |
| <dd><code>dropMemstoreSnapshot</code> - whether to drop the prepared memstore snapshot</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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| <a name="abort--"> |
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| <h4>abort</h4> |
| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/HStore.StoreFlusherImpl.html#line.2424">abort</a>() |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Abort the snapshot preparation. Drops the snapshot if any.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFlushContext.html#abort--">abort</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFlushContext.html" title="interface in org.apache.hadoop.hbase.regionserver">StoreFlushContext</a></code></dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
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