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| <div class="subTitle">org.apache.hadoop.hbase.regionserver.wal</div> |
| <h2 title="Class MetricsWAL" class="title">Class MetricsWAL</h2> |
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| <li>org.apache.hadoop.hbase.regionserver.wal.MetricsWAL</li> |
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| <pre>@InterfaceAudience.Private |
| public class <a href="../../../../../../src-html/org/apache/hadoop/hbase/regionserver/wal/MetricsWAL.html#line.40">MetricsWAL</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/wal/WALActionsListener.html" title="interface in org.apache.hadoop.hbase.regionserver.wal">WALActionsListener</a></pre> |
| <div class="block">Class used to push numbers about the WAL into the metrics subsystem. This will take a |
| single function call and turn it into multiple manipulations of the hadoop metrics system.</div> |
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| <h3>Nested classes/interfaces inherited from interface org.apache.hadoop.hbase.regionserver.wal.<a href="../../../../../../org/apache/hadoop/hbase/regionserver/wal/WALActionsListener.html" title="interface in org.apache.hadoop.hbase.regionserver.wal">WALActionsListener</a></h3> |
| <code><a href="../../../../../../org/apache/hadoop/hbase/regionserver/wal/WALActionsListener.RollRequestReason.html" title="enum in org.apache.hadoop.hbase.regionserver.wal">WALActionsListener.RollRequestReason</a></code></li> |
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| <td class="colFirst"><code>private static org.slf4j.Logger</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/wal/MetricsWAL.html#LOG">LOG</a></span></code> </td> |
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| <tr class="rowColor"> |
| <td class="colFirst"><code>private <a href="../../../../../../org/apache/hadoop/hbase/regionserver/wal/MetricsWALSource.html" title="interface in org.apache.hadoop.hbase.regionserver.wal">MetricsWALSource</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/wal/MetricsWAL.html#source">source</a></span></code> </td> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/wal/MetricsWAL.html#MetricsWAL--">MetricsWAL</a></span>()</code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/wal/MetricsWAL.html#MetricsWAL-org.apache.hadoop.hbase.regionserver.wal.MetricsWALSource-">MetricsWAL</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/regionserver/wal/MetricsWALSource.html" title="interface in org.apache.hadoop.hbase.regionserver.wal">MetricsWALSource</a> s)</code> </td> |
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| <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/wal/MetricsWAL.html#logRollRequested-org.apache.hadoop.hbase.regionserver.wal.WALActionsListener.RollRequestReason-">logRollRequested</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/regionserver/wal/WALActionsListener.RollRequestReason.html" title="enum in org.apache.hadoop.hbase.regionserver.wal">WALActionsListener.RollRequestReason</a> reason)</code> |
| <div class="block">A request was made that the WAL be rolled.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/wal/MetricsWAL.html#postAppend-long-long-org.apache.hadoop.hbase.wal.WALKey-org.apache.hadoop.hbase.wal.WALEdit-">postAppend</a></span>(long size, |
| long time, |
| <a href="../../../../../../org/apache/hadoop/hbase/wal/WALKey.html" title="interface in org.apache.hadoop.hbase.wal">WALKey</a> logkey, |
| <a href="../../../../../../org/apache/hadoop/hbase/wal/WALEdit.html" title="class in org.apache.hadoop.hbase.wal">WALEdit</a> logEdit)</code> |
| <div class="block">For notification post append to the writer.</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/wal/MetricsWAL.html#postSync-long-int-">postSync</a></span>(long timeInNanos, |
| int handlerSyncs)</code> |
| <div class="block">For notification post writer sync.</div> |
| </td> |
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| <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#clone--" title="class or interface in java.lang">clone</a>, <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#toString--" title="class or interface in java.lang">toString</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> |
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| </a> |
| <h3>Methods inherited from interface org.apache.hadoop.hbase.regionserver.wal.<a href="../../../../../../org/apache/hadoop/hbase/regionserver/wal/WALActionsListener.html" title="interface in org.apache.hadoop.hbase.regionserver.wal">WALActionsListener</a></h3> |
| <code><a href="../../../../../../org/apache/hadoop/hbase/regionserver/wal/WALActionsListener.html#logCloseRequested--">logCloseRequested</a>, <a href="../../../../../../org/apache/hadoop/hbase/regionserver/wal/WALActionsListener.html#postLogArchive-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-">postLogArchive</a>, <a href="../../../../../../org/apache/hadoop/hbase/regionserver/wal/WALActionsListener.html#postLogRoll-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-">postLogRoll</a>, <a href="../../../../../../org/apache/hadoop/hbase/regionserver/wal/WALActionsListener.html#preLogArchive-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-">preLogArchive</a>, <a href="../../../../../../org/apache/hadoop/hbase/regionserver/wal/WALActionsListener.html#preLogRoll-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-">preLogRoll</a>, <a href="../../../../../../org/apache/hadoop/hbase/regionserver/wal/WALActionsListener.html#visitLogEntryBeforeWrite-org.apache.hadoop.hbase.client.RegionInfo-org.apache.hadoop.hbase.wal.WALKey-org.apache.hadoop.hbase.wal.WALEdit-">visitLogEntryBeforeWrite</a>, <a href="../../../../../../org/apache/hadoop/hbase/regionserver/wal/WALActionsListener.html#visitLogEntryBeforeWrite-org.apache.hadoop.hbase.wal.WALKey-org.apache.hadoop.hbase.wal.WALEdit-">visitLogEntryBeforeWrite</a></code></li> |
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| <div class="details"> |
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| <h3>Field Detail</h3> |
| <a name="LOG"> |
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| <h4>LOG</h4> |
| <pre>private static final org.slf4j.Logger <a href="../../../../../../src-html/org/apache/hadoop/hbase/regionserver/wal/MetricsWAL.html#line.41">LOG</a></pre> |
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| <h4>source</h4> |
| <pre>private final <a href="../../../../../../org/apache/hadoop/hbase/regionserver/wal/MetricsWALSource.html" title="interface in org.apache.hadoop.hbase.regionserver.wal">MetricsWALSource</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/regionserver/wal/MetricsWAL.html#line.43">source</a></pre> |
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| <h3>Constructor Detail</h3> |
| <a name="MetricsWAL--"> |
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| <h4>MetricsWAL</h4> |
| <pre>public <a href="../../../../../../src-html/org/apache/hadoop/hbase/regionserver/wal/MetricsWAL.html#line.45">MetricsWAL</a>()</pre> |
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| <h4>MetricsWAL</h4> |
| <pre><a href="../../../../../../src-html/org/apache/hadoop/hbase/regionserver/wal/MetricsWAL.html#line.50">MetricsWAL</a>(<a href="../../../../../../org/apache/hadoop/hbase/regionserver/wal/MetricsWALSource.html" title="interface in org.apache.hadoop.hbase.regionserver.wal">MetricsWALSource</a> s)</pre> |
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| <h3>Method Detail</h3> |
| <a name="postSync-long-int-"> |
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| <h4>postSync</h4> |
| <pre>public void <a href="../../../../../../src-html/org/apache/hadoop/hbase/regionserver/wal/MetricsWAL.html#line.55">postSync</a>(long timeInNanos, |
| int handlerSyncs)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../org/apache/hadoop/hbase/regionserver/wal/WALActionsListener.html#postSync-long-int-">WALActionsListener</a></code></span></div> |
| <div class="block">For notification post writer sync. Used by metrics system at least.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/hadoop/hbase/regionserver/wal/WALActionsListener.html#postSync-long-int-">postSync</a></code> in interface <code><a href="../../../../../../org/apache/hadoop/hbase/regionserver/wal/WALActionsListener.html" title="interface in org.apache.hadoop.hbase.regionserver.wal">WALActionsListener</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>timeInNanos</code> - How long the filesystem sync took in nanoseconds.</dd> |
| <dd><code>handlerSyncs</code> - How many sync handler calls were released by this call to filesystem |
| sync.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="postAppend-long-long-org.apache.hadoop.hbase.wal.WALKey-org.apache.hadoop.hbase.wal.WALEdit-"> |
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| <h4>postAppend</h4> |
| <pre>public void <a href="../../../../../../src-html/org/apache/hadoop/hbase/regionserver/wal/MetricsWAL.html#line.60">postAppend</a>(long size, |
| long time, |
| <a href="../../../../../../org/apache/hadoop/hbase/wal/WALKey.html" title="interface in org.apache.hadoop.hbase.wal">WALKey</a> logkey, |
| <a href="../../../../../../org/apache/hadoop/hbase/wal/WALEdit.html" title="class in org.apache.hadoop.hbase.wal">WALEdit</a> logEdit) |
| 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/wal/WALActionsListener.html#postAppend-long-long-org.apache.hadoop.hbase.wal.WALKey-org.apache.hadoop.hbase.wal.WALEdit-">WALActionsListener</a></code></span></div> |
| <div class="block">For notification post append to the writer. Used by metrics system at least. |
| TODO: Combine this with above.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/hadoop/hbase/regionserver/wal/WALActionsListener.html#postAppend-long-long-org.apache.hadoop.hbase.wal.WALKey-org.apache.hadoop.hbase.wal.WALEdit-">postAppend</a></code> in interface <code><a href="../../../../../../org/apache/hadoop/hbase/regionserver/wal/WALActionsListener.html" title="interface in org.apache.hadoop.hbase.regionserver.wal">WALActionsListener</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>size</code> - approx length of cells in this append.</dd> |
| <dd><code>time</code> - elapsed time in milliseconds.</dd> |
| <dd><code>logkey</code> - A WAL key</dd> |
| <dd><code>logEdit</code> - A WAL edit containing list of cells.</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> - if any network or I/O error occurred</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="logRollRequested-org.apache.hadoop.hbase.regionserver.wal.WALActionsListener.RollRequestReason-"> |
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| </a> |
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| <li class="blockList"> |
| <h4>logRollRequested</h4> |
| <pre>public void <a href="../../../../../../src-html/org/apache/hadoop/hbase/regionserver/wal/MetricsWAL.html#line.78">logRollRequested</a>(<a href="../../../../../../org/apache/hadoop/hbase/regionserver/wal/WALActionsListener.RollRequestReason.html" title="enum in org.apache.hadoop.hbase.regionserver.wal">WALActionsListener.RollRequestReason</a> reason)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../org/apache/hadoop/hbase/regionserver/wal/WALActionsListener.html#logRollRequested-org.apache.hadoop.hbase.regionserver.wal.WALActionsListener.RollRequestReason-">WALActionsListener</a></code></span></div> |
| <div class="block">A request was made that the WAL be rolled.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/hadoop/hbase/regionserver/wal/WALActionsListener.html#logRollRequested-org.apache.hadoop.hbase.regionserver.wal.WALActionsListener.RollRequestReason-">logRollRequested</a></code> in interface <code><a href="../../../../../../org/apache/hadoop/hbase/regionserver/wal/WALActionsListener.html" title="interface in org.apache.hadoop.hbase.regionserver.wal">WALActionsListener</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
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