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Posted to commits@hbase.apache.org by gi...@apache.org on 2019/11/15 14:45:34 UTC
[hbase-site] branch asf-site updated: Published site at
e60764f5a197540d06efd42c5dc7e936afe0af74.
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git-site-role pushed a commit to branch asf-site
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The following commit(s) were added to refs/heads/asf-site by this push:
new f831bf9 Published site at e60764f5a197540d06efd42c5dc7e936afe0af74.
f831bf9 is described below
commit f831bf94a8dd537bc9fb15071d0422cb63cc1ee3
Author: jenkins <bu...@apache.org>
AuthorDate: Fri Nov 15 14:45:10 2019 +0000
Published site at e60764f5a197540d06efd42c5dc7e936afe0af74.
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<li><a href="org/apache/hadoop/hbase/filter/WhileMatchFilter.html" title="class in org.apache.hadoop.hbase.filter">WhileMatchFilter</a></li>
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<li><a href="org/apache/hadoop/hbase/regionserver/WrongRegionException.html" title="class in org.apache.hadoop.hbase.regionserver">WrongRegionException</a></li>
<li><a href="org/apache/hadoop/hbase/client/WrongRowIOException.html" title="class in org.apache.hadoop.hbase.client">WrongRowIOException</a></li>
<li><a href="org/apache/hadoop/hbase/ipc/WrongVersionException.html" title="class in org.apache.hadoop.hbase.ipc">WrongVersionException</a></li>
diff --git a/apidocs/constant-values.html b/apidocs/constant-values.html
index 392445a..d16c175 100644
--- a/apidocs/constant-values.html
+++ b/apidocs/constant-values.html
@@ -5413,6 +5413,25 @@
</tbody>
</table>
</li>
+<li class="blockList">
+<table class="constantsSummary" border="0" cellpadding="3" cellspacing="0" summary="Constant Field Values table, listing constant fields, and values">
+<caption><span>org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html" title="class in org.apache.hadoop.hbase.util">WindowMovingAverage</a></span><span class="tabEnd"> </span></caption>
+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th scope="col">Constant Field</th>
+<th class="colLast" scope="col">Value</th>
+</tr>
+<tbody>
+<tr class="altColor">
+<td class="colFirst"><a name="org.apache.hadoop.hbase.util.WindowMovingAverage.DEFAULT_SIZE">
+<!-- -->
+</a><code>protected static final int</code></td>
+<td><code><a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html#DEFAULT_SIZE">DEFAULT_SIZE</a></code></td>
+<td class="colLast"><code>5</code></td>
+</tr>
+</tbody>
+</table>
+</li>
</ul>
</div>
<!-- ======= START OF BOTTOM NAVBAR ====== -->
diff --git a/apidocs/index-all.html b/apidocs/index-all.html
index 303f76a..2973c1a 100644
--- a/apidocs/index-all.html
+++ b/apidocs/index-all.html
@@ -2319,6 +2319,8 @@
<dd>
<div class="block">Snapshot was corrupt for some reason.</div>
</dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/SimpleMovingAverage.html#count">count</a></span> - Variable in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/SimpleMovingAverage.html" title="class in org.apache.hadoop.hbase.util">SimpleMovingAverage</a></dt>
+<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/HConstants.html#CP_HTD_ATTR_INCLUSION_KEY">CP_HTD_ATTR_INCLUSION_KEY</a></span> - Static variable in class org.apache.hadoop.hbase.<a href="org/apache/hadoop/hbase/HConstants.html" title="class in org.apache.hadoop.hbase">HConstants</a></dt>
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/HConstants.html#CP_HTD_ATTR_KEY_PATTERN">CP_HTD_ATTR_KEY_PATTERN</a></span> - Static variable in class org.apache.hadoop.hbase.<a href="org/apache/hadoop/hbase/HConstants.html" title="class in org.apache.hadoop.hbase">HConstants</a></dt>
@@ -3529,6 +3531,8 @@
</dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/RegionMover.html#DEFAULT_SERVERSTART_WAIT_MAX">DEFAULT_SERVERSTART_WAIT_MAX</a></span> - Static variable in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/RegionMover.html" title="class in org.apache.hadoop.hbase.util">RegionMover</a></dt>
<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html#DEFAULT_SIZE">DEFAULT_SIZE</a></span> - Static variable in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html" title="class in org.apache.hadoop.hbase.util">WindowMovingAverage</a></dt>
+<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/HConstants.html#DEFAULT_SNAPSHOT_RESTORE_FAILSAFE_NAME">DEFAULT_SNAPSHOT_RESTORE_FAILSAFE_NAME</a></span> - Static variable in class org.apache.hadoop.hbase.<a href="org/apache/hadoop/hbase/HConstants.html" title="class in org.apache.hadoop.hbase">HConstants</a></dt>
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/HConstants.html#DEFAULT_SNAPSHOT_RESTORE_TAKE_FAILSAFE_SNAPSHOT">DEFAULT_SNAPSHOT_RESTORE_TAKE_FAILSAFE_SNAPSHOT</a></span> - Static variable in class org.apache.hadoop.hbase.<a href="org/apache/hadoop/hbase/HConstants.html" title="class in org.apache.hadoop.hbase">HConstants</a></dt>
@@ -4434,6 +4438,10 @@
</dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/mapreduce/WALInputFormat.html#END_TIME_KEY">END_TIME_KEY</a></span> - Static variable in class org.apache.hadoop.hbase.mapreduce.<a href="org/apache/hadoop/hbase/mapreduce/WALInputFormat.html" title="class in org.apache.hadoop.hbase.mapreduce">WALInputFormat</a></dt>
<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html#enoughStatistics--">enoughStatistics()</a></span> - Method in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html" title="class in org.apache.hadoop.hbase.util">WindowMovingAverage</a></dt>
+<dd>
+<div class="block">Check if there are enough statistics.</div>
+</dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/HConstants.html#ENSEMBLE_TABLE_NAME">ENSEMBLE_TABLE_NAME</a></span> - Static variable in class org.apache.hadoop.hbase.<a href="org/apache/hadoop/hbase/HConstants.html" title="class in org.apache.hadoop.hbase">HConstants</a></dt>
<dd>
<div class="block">The name of the ensemble table</div>
@@ -4657,6 +4665,19 @@
</dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/client/backoff/ExponentialClientBackoffPolicy.html#ExponentialClientBackoffPolicy-org.apache.hadoop.conf.Configuration-">ExponentialClientBackoffPolicy(Configuration)</a></span> - Constructor for class org.apache.hadoop.hbase.client.backoff.<a href="org/apache/hadoop/hbase/client/backoff/ExponentialClientBackoffPolicy.html" title="class in org.apache.hadoop.hbase.client.backoff">ExponentialClientBackoffPolicy</a></dt>
<dd> </dd>
+<dt><a href="org/apache/hadoop/hbase/util/ExponentialMovingAverage.html" title="class in org.apache.hadoop.hbase.util"><span class="typeNameLink">ExponentialMovingAverage</span></a> - Class in <a href="org/apache/hadoop/hbase/util/package-summary.html">org.apache.hadoop.hbase.util</a></dt>
+<dd>
+<div class="block">EMA is similar to <a href="org/apache/hadoop/hbase/util/WeightedMovingAverage.html" title="class in org.apache.hadoop.hbase.util"><code>WeightedMovingAverage</code></a> in weighted, but the weighting factor decrease
+ exponentially.</div>
+</dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/ExponentialMovingAverage.html#ExponentialMovingAverage--">ExponentialMovingAverage()</a></span> - Constructor for class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/ExponentialMovingAverage.html" title="class in org.apache.hadoop.hbase.util">ExponentialMovingAverage</a></dt>
+<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/ExponentialMovingAverage.html#ExponentialMovingAverage-double-">ExponentialMovingAverage(double)</a></span> - Constructor for class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/ExponentialMovingAverage.html" title="class in org.apache.hadoop.hbase.util">ExponentialMovingAverage</a></dt>
+<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/ExponentialMovingAverage.html#ExponentialMovingAverage-int-">ExponentialMovingAverage(int)</a></span> - Constructor for class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/ExponentialMovingAverage.html" title="class in org.apache.hadoop.hbase.util">ExponentialMovingAverage</a></dt>
+<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/ExponentialMovingAverage.html#ExponentialMovingAverage-int-double-">ExponentialMovingAverage(int, double)</a></span> - Constructor for class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/ExponentialMovingAverage.html" title="class in org.apache.hadoop.hbase.util">ExponentialMovingAverage</a></dt>
+<dd> </dd>
<dt><a href="org/apache/hadoop/hbase/mapreduce/Export.html" title="class in org.apache.hadoop.hbase.mapreduce"><span class="typeNameLink">Export</span></a> - Class in <a href="org/apache/hadoop/hbase/mapreduce/package-summary.html">org.apache.hadoop.hbase.mapreduce</a></dt>
<dd>
<div class="block">Export an HBase table.</div>
@@ -5371,6 +5392,18 @@
</dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/ClusterMetrics.html#getAverageLoad--">getAverageLoad()</a></span> - Method in interface org.apache.hadoop.hbase.<a href="org/apache/hadoop/hbase/ClusterMetrics.html" title="interface in org.apache.hadoop.hbase">ClusterMetrics</a></dt>
<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/ExponentialMovingAverage.html#getAverageTime--">getAverageTime()</a></span> - Method in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/ExponentialMovingAverage.html" title="class in org.apache.hadoop.hbase.util">ExponentialMovingAverage</a></dt>
+<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/MovingAverage.html#getAverageTime--">getAverageTime()</a></span> - Method in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/MovingAverage.html" title="class in org.apache.hadoop.hbase.util">MovingAverage</a></dt>
+<dd>
+<div class="block">Get average execution time of the measured method.</div>
+</dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/SimpleMovingAverage.html#getAverageTime--">getAverageTime()</a></span> - Method in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/SimpleMovingAverage.html" title="class in org.apache.hadoop.hbase.util">SimpleMovingAverage</a></dt>
+<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/WeightedMovingAverage.html#getAverageTime--">getAverageTime()</a></span> - Method in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/WeightedMovingAverage.html" title="class in org.apache.hadoop.hbase.util">WeightedMovingAverage</a></dt>
+<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html#getAverageTime--">getAverageTime()</a></span> - Method in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html" title="class in org.apache.hadoop.hbase.util">WindowMovingAverage</a></dt>
+<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/client/backoff/ClientBackoffPolicy.html#getBackoffTime-org.apache.hadoop.hbase.ServerName-byte:A-org.apache.hadoop.hbase.client.backoff.ServerStatistics-">getBackoffTime(ServerName, byte[], ServerStatistics)</a></span> - Method in interface org.apache.hadoop.hbase.client.backoff.<a href="org/apache/hadoop/hbase/client/backoff/ClientBackoffPolicy.html" title="interface in org.apache.hadoop.hbase.client.backoff">ClientBackof [...]
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/client/backoff/ExponentialClientBackoffPolicy.html#getBackoffTime-org.apache.hadoop.hbase.ServerName-byte:A-org.apache.hadoop.hbase.client.backoff.ServerStatistics-">getBackoffTime(ServerName, byte[], ServerStatistics)</a></span> - Method in class org.apache.hadoop.hbase.client.backoff.<a href="org/apache/hadoop/hbase/client/backoff/ExponentialClientBackoffPolicy.html" title="class in org.apache.hadoop.hbase.client.backoff [...]
@@ -6544,6 +6577,8 @@
<dd>
<div class="block"><span class="deprecatedLabel">Deprecated.</span></div>
</dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html#getMostRecentPosistion--">getMostRecentPosistion()</a></span> - Method in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html" title="class in org.apache.hadoop.hbase.util">WindowMovingAverage</a></dt>
+<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/client/RowMutations.html#getMutations--">getMutations()</a></span> - Method in class org.apache.hadoop.hbase.client.<a href="org/apache/hadoop/hbase/client/RowMutations.html" title="class in org.apache.hadoop.hbase.client">RowMutations</a></dt>
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/client/AsyncBufferedMutator.html#getName--">getName()</a></span> - Method in interface org.apache.hadoop.hbase.client.<a href="org/apache/hadoop/hbase/client/AsyncBufferedMutator.html" title="interface in org.apache.hadoop.hbase.client">AsyncBufferedMutator</a></dt>
@@ -6698,6 +6733,8 @@
<dd>
<div class="block">Map of families to their most recent qualifiers and values.</div>
</dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html#getNumberOfStatistics--">getNumberOfStatistics()</a></span> - Method in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html" title="class in org.apache.hadoop.hbase.util">WindowMovingAverage</a></dt>
+<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/client/RequestController.html#getNumberOfTasksInProgress--">getNumberOfTasksInProgress()</a></span> - Method in interface org.apache.hadoop.hbase.client.<a href="org/apache/hadoop/hbase/client/RequestController.html" title="interface in org.apache.hadoop.hbase.client">RequestController</a></dt>
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/client/RetriesExhaustedWithDetailsException.html#getNumExceptions--">getNumExceptions()</a></span> - Method in exception org.apache.hadoop.hbase.client.<a href="org/apache/hadoop/hbase/client/RetriesExhaustedWithDetailsException.html" title="class in org.apache.hadoop.hbase.client">RetriesExhaustedWithDetailsException</a></dt>
@@ -7561,6 +7598,10 @@
<dd>
<div class="block">Returns the start row.</div>
</dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html#getStatisticsAtIndex-int-">getStatisticsAtIndex(int)</a></span> - Method in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html" title="class in org.apache.hadoop.hbase.util">WindowMovingAverage</a></dt>
+<dd>
+<div class="block">Get statistics at index.</div>
+</dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/client/Result.html#getStats--">getStats()</a></span> - Method in class org.apache.hadoop.hbase.client.<a href="org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a></dt>
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/ScheduledChore.html#getStopper--">getStopper()</a></span> - Method in class org.apache.hadoop.hbase.<a href="org/apache/hadoop/hbase/ScheduledChore.html" title="class in org.apache.hadoop.hbase">ScheduledChore</a></dt>
@@ -10231,6 +10272,8 @@
</dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/rest/client/Cluster.html#lastHost">lastHost</a></span> - Variable in class org.apache.hadoop.hbase.rest.client.<a href="org/apache/hadoop/hbase/rest/client/Cluster.html" title="class in org.apache.hadoop.hbase.rest.client">Cluster</a></dt>
<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html#lastN">lastN</a></span> - Variable in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html" title="class in org.apache.hadoop.hbase.util">WindowMovingAverage</a></dt>
+<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/HConstants.html#LATEST_TIMESTAMP">LATEST_TIMESTAMP</a></span> - Static variable in class org.apache.hadoop.hbase.<a href="org/apache/hadoop/hbase/HConstants.html" title="class in org.apache.hadoop.hbase">HConstants</a></dt>
<dd>
<div class="block">Timestamp to use when we want to refer to the latest cell.</div>
@@ -10911,6 +10954,14 @@
</dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/MD5Hash.html#MD5Hash--">MD5Hash()</a></span> - Constructor for class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/MD5Hash.html" title="class in org.apache.hadoop.hbase.util">MD5Hash</a></dt>
<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/MovingAverage.html#measure-org.apache.hadoop.hbase.util.TimeMeasurable-">measure(TimeMeasurable<T>)</a></span> - Method in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/MovingAverage.html" title="class in org.apache.hadoop.hbase.util">MovingAverage</a></dt>
+<dd>
+<div class="block">Measure elapsed time of a measurable method.</div>
+</dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/TimeMeasurable.html#measure--">measure()</a></span> - Method in interface org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/TimeMeasurable.html" title="interface in org.apache.hadoop.hbase.util">TimeMeasurable</a></dt>
+<dd>
+<div class="block">Measure elapsed time.</div>
+</dd>
<dt><a href="org/apache/hadoop/hbase/MemoryCompactionPolicy.html" title="enum in org.apache.hadoop.hbase"><span class="typeNameLink">MemoryCompactionPolicy</span></a> - Enum in <a href="org/apache/hadoop/hbase/package-summary.html">org.apache.hadoop.hbase</a></dt>
<dd>
<div class="block">Enum describing all possible memory compaction policies</div>
@@ -11206,6 +11257,8 @@
<dd>
<div class="block">Modify an existing table, more IRB (ruby) friendly version.</div>
</dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html#mostRecent">mostRecent</a></span> - Variable in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html" title="class in org.apache.hadoop.hbase.util">WindowMovingAverage</a></dt>
+<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/client/Admin.html#move-byte:A-">move(byte[])</a></span> - Method in interface org.apache.hadoop.hbase.client.<a href="org/apache/hadoop/hbase/client/Admin.html" title="interface in org.apache.hadoop.hbase.client">Admin</a></dt>
<dd>
<div class="block">Move the region <code>encodedRegionName</code> to a random server.</div>
@@ -11234,6 +11287,18 @@
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/RegionMover.html#MOVE_WAIT_MAX_KEY">MOVE_WAIT_MAX_KEY</a></span> - Static variable in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/RegionMover.html" title="class in org.apache.hadoop.hbase.util">RegionMover</a></dt>
<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html#moveForwardMostRecentPosistion--">moveForwardMostRecentPosistion()</a></span> - Method in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html" title="class in org.apache.hadoop.hbase.util">WindowMovingAverage</a></dt>
+<dd>
+<div class="block">Move forward the most recent index.</div>
+</dd>
+<dt><a href="org/apache/hadoop/hbase/util/MovingAverage.html" title="class in org.apache.hadoop.hbase.util"><span class="typeNameLink">MovingAverage</span></a><<a href="org/apache/hadoop/hbase/util/MovingAverage.html" title="type parameter in MovingAverage">T</a>> - Class in <a href="org/apache/hadoop/hbase/util/package-summary.html">org.apache.hadoop.hbase.util</a></dt>
+<dd>
+<div class="block">The purpose of introduction of <a href="org/apache/hadoop/hbase/util/MovingAverage.html" title="class in org.apache.hadoop.hbase.util"><code>MovingAverage</code></a> mainly is to measure execution time of a
+ specific method, which can help us to know its performance fluctuation in response to different
+ machine states or situations, better case, then to act accordingly.</div>
+</dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/MovingAverage.html#MovingAverage--">MovingAverage()</a></span> - Constructor for class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/MovingAverage.html" title="class in org.apache.hadoop.hbase.util">MovingAverage</a></dt>
+<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/mapreduce/WALPlayer.html#MULTI_TABLES_SUPPORT">MULTI_TABLES_SUPPORT</a></span> - Static variable in class org.apache.hadoop.hbase.mapreduce.<a href="org/apache/hadoop/hbase/mapreduce/WALPlayer.html" title="class in org.apache.hadoop.hbase.mapreduce">WALPlayer</a></dt>
<dd> </dd>
<dt><a href="org/apache/hadoop/hbase/MultiActionResultTooLarge.html" title="class in org.apache.hadoop.hbase"><span class="typeNameLink">MultiActionResultTooLarge</span></a> - Exception in <a href="org/apache/hadoop/hbase/package-summary.html">org.apache.hadoop.hbase</a></dt>
@@ -11750,6 +11815,8 @@
<dd>
<div class="block">Indicate that the scan operation is completed normally.</div>
</dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html#oneRound">oneRound</a></span> - Variable in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html" title="class in org.apache.hadoop.hbase.util">WindowMovingAverage</a></dt>
+<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/client/AsyncTable.CoprocessorCallback.html#onError-java.lang.Throwable-">onError(Throwable)</a></span> - Method in interface org.apache.hadoop.hbase.client.<a href="org/apache/hadoop/hbase/client/AsyncTable.CoprocessorCallback.html" title="interface in org.apache.hadoop.hbase.client">AsyncTable.CoprocessorCallback</a></dt>
<dd>
<div class="block">Indicate that we got an error which does not belong to any regions.</div>
@@ -15830,6 +15897,12 @@ Input/OutputFormats, a table indexing MapReduce job, and utility methods.</div>
<dd>
<div class="block">Create a new <code>ByteRange</code> over the provided <code>bytes</code>.</div>
</dd>
+<dt><a href="org/apache/hadoop/hbase/util/SimpleMovingAverage.html" title="class in org.apache.hadoop.hbase.util"><span class="typeNameLink">SimpleMovingAverage</span></a> - Class in <a href="org/apache/hadoop/hbase/util/package-summary.html">org.apache.hadoop.hbase.util</a></dt>
+<dd>
+<div class="block">SMA measure the overall average execution time of a specific method.</div>
+</dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/SimpleMovingAverage.html#SimpleMovingAverage--">SimpleMovingAverage()</a></span> - Constructor for class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/SimpleMovingAverage.html" title="class in org.apache.hadoop.hbase.util">SimpleMovingAverage</a></dt>
+<dd> </dd>
<dt><a href="org/apache/hadoop/hbase/util/SimpleMutableByteRange.html" title="class in org.apache.hadoop.hbase.util"><span class="typeNameLink">SimpleMutableByteRange</span></a> - Class in <a href="org/apache/hadoop/hbase/util/package-summary.html">org.apache.hadoop.hbase.util</a></dt>
<dd>
<div class="block">A basic mutable <a href="org/apache/hadoop/hbase/util/ByteRange.html" title="interface in org.apache.hadoop.hbase.util"><code>ByteRange</code></a> implementation.</div>
@@ -16289,6 +16362,10 @@ Input/OutputFormats, a table indexing MapReduce job, and utility methods.</div>
<div class="block"><span class="deprecationComment">since 0.90.0</span></div>
</div>
</dd>
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+<tr>
+<th class="colFirst" scope="col">Package</th>
+<th class="colLast" scope="col">Description</th>
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+<tr class="altColor">
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+<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing subclasses, and an explanation">
+<caption><span>Subclasses of <a href="../../../../../../org/apache/hadoop/hbase/util/MovingAverage.html" title="class in org.apache.hadoop.hbase.util">MovingAverage</a> in <a href="../../../../../../org/apache/hadoop/hbase/util/package-summary.html">org.apache.hadoop.hbase.util</a></span><span class="tabEnd"> </span></caption>
+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Class and Description</th>
+</tr>
+<tbody>
+<tr class="altColor">
+<td class="colFirst"><code>class </code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/util/ExponentialMovingAverage.html" title="class in org.apache.hadoop.hbase.util">ExponentialMovingAverage</a></span></code>
+<div class="block">EMA is similar to <a href="../../../../../../org/apache/hadoop/hbase/util/WeightedMovingAverage.html" title="class in org.apache.hadoop.hbase.util"><code>WeightedMovingAverage</code></a> in weighted, but the weighting factor decrease
+ exponentially.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>class </code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/util/SimpleMovingAverage.html" title="class in org.apache.hadoop.hbase.util">SimpleMovingAverage</a></span></code>
+<div class="block">SMA measure the overall average execution time of a specific method.</div>
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+<div class="block">Different from SMA <a href="../../../../../../org/apache/hadoop/hbase/util/SimpleMovingAverage.html" title="class in org.apache.hadoop.hbase.util"><code>SimpleMovingAverage</code></a>, WeightedMovingAverage gives each data different
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+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>class </code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/util/WindowMovingAverage.html" title="class in org.apache.hadoop.hbase.util">WindowMovingAverage</a></span></code>
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+<h2 title="Uses of Class org.apache.hadoop.hbase.util.WindowMovingAverage" class="title">Uses of Class<br>org.apache.hadoop.hbase.util.WindowMovingAverage</h2>
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+<td class="colFirst"><a href="#org.apache.hadoop.hbase.util">org.apache.hadoop.hbase.util</a></td>
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+<td class="colFirst"><code>class </code></td>
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+<span class="sourceLineNo">234</span> /**<a name="line.234"></a>
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+<span class="sourceLineNo">256</span> private AtomicInteger threadNumber = new AtomicInteger(1);<a name="line.256"></a>
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+<span class="sourceLineNo">258</span> /**<a name="line.258"></a>
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+<span class="sourceLineNo">260</span> */<a name="line.260"></a>
+<span class="sourceLineNo">261</span> public ChoreServiceThreadFactory(final String threadPrefix) {<a name="line.261"></a>
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+<span class="sourceLineNo">265</span> @Override<a name="line.265"></a>
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+<span class="sourceLineNo">267</span> Thread thread =<a name="line.267"></a>
+<span class="sourceLineNo">268</span> new Thread(r, threadPrefix + THREAD_NAME_SUFFIX + threadNumber.getAndIncrement());<a name="line.268"></a>
+<span class="sourceLineNo">269</span> thread.setDaemon(true);<a name="line.269"></a>
+<span class="sourceLineNo">270</span> return thread;<a name="line.270"></a>
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+<span class="sourceLineNo">272</span> }<a name="line.272"></a>
+<span class="sourceLineNo">273</span><a name="line.273"></a>
+<span class="sourceLineNo">274</span> /**<a name="line.274"></a>
+<span class="sourceLineNo">275</span> * Represents a request to increase the number of core pool threads. Typically a request<a name="line.275"></a>
+<span class="sourceLineNo">276</span> * originates from the fact that the current core pool size is not sufficient to service all of<a name="line.276"></a>
+<span class="sourceLineNo">277</span> * the currently running Chores<a name="line.277"></a>
+<span class="sourceLineNo">278</span> * @return true when the request to increase the core pool size succeeds<a name="line.278"></a>
+<span class="sourceLineNo">279</span> */<a name="line.279"></a>
+<span class="sourceLineNo">280</span> private synchronized boolean requestCorePoolIncrease() {<a name="line.280"></a>
+<span class="sourceLineNo">281</span> // There is no point in creating more threads than scheduledChores.size since scheduled runs<a name="line.281"></a>
+<span class="sourceLineNo">282</span> // of the same chore cannot run concurrently (i.e. happen-before behavior is enforced<a name="line.282"></a>
+<span class="sourceLineNo">283</span> // amongst occurrences of the same chore).<a name="line.283"></a>
+<span class="sourceLineNo">284</span> if (scheduler.getCorePoolSize() < scheduledChores.size()) {<a name="line.284"></a>
+<span class="sourceLineNo">285</span> scheduler.setCorePoolSize(scheduler.getCorePoolSize() + 1);<a name="line.285"></a>
+<span class="sourceLineNo">286</span> printChoreServiceDetails("requestCorePoolIncrease");<a name="line.286"></a>
+<span class="sourceLineNo">287</span> return true;<a name="line.287"></a>
+<span class="sourceLineNo">288</span> }<a name="line.288"></a>
+<span class="sourceLineNo">289</span> return false;<a name="line.289"></a>
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+<span class="sourceLineNo">291</span><a name="line.291"></a>
+<span class="sourceLineNo">292</span> /**<a name="line.292"></a>
+<span class="sourceLineNo">293</span> * Represents a request to decrease the number of core pool threads. Typically a request<a name="line.293"></a>
+<span class="sourceLineNo">294</span> * originates from the fact that the current core pool size is more than sufficient to service the<a name="line.294"></a>
+<span class="sourceLineNo">295</span> * running Chores.<a name="line.295"></a>
+<span class="sourceLineNo">296</span> */<a name="line.296"></a>
+<span class="sourceLineNo">297</span> private synchronized void requestCorePoolDecrease() {<a name="line.297"></a>
+<span class="sourceLineNo">298</span> if (scheduler.getCorePoolSize() > MIN_CORE_POOL_SIZE) {<a name="line.298"></a>
+<span class="sourceLineNo">299</span> scheduler.setCorePoolSize(scheduler.getCorePoolSize() - 1);<a name="line.299"></a>
+<span class="sourceLineNo">300</span> printChoreServiceDetails("requestCorePoolDecrease");<a name="line.300"></a>
+<span class="sourceLineNo">301</span> }<a name="line.301"></a>
+<span class="sourceLineNo">302</span> }<a name="line.302"></a>
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+<span class="sourceLineNo">304</span> @InterfaceAudience.Private<a name="line.304"></a>
+<span class="sourceLineNo">305</span> @Override<a name="line.305"></a>
+<span class="sourceLineNo">306</span> public synchronized void onChoreMissedStartTime(ScheduledChore chore) {<a name="line.306"></a>
+<span class="sourceLineNo">307</span> if (chore == null || !scheduledChores.containsKey(chore)) return;<a name="line.307"></a>
+<span class="sourceLineNo">308</span><a name="line.308"></a>
+<span class="sourceLineNo">309</span> // If the chore has not caused an increase in the size of the core thread pool then request an<a name="line.309"></a>
+<span class="sourceLineNo">310</span> // increase. This allows each chore missing its start time to increase the core pool size by<a name="line.310"></a>
+<span class="sourceLineNo">311</span> // at most 1.<a name="line.311"></a>
+<span class="sourceLineNo">312</span> if (!choresMissingStartTime.containsKey(chore) || !choresMissingStartTime.get(chore)) {<a name="line.312"></a>
+<span class="sourceLineNo">313</span> choresMissingStartTime.put(chore, requestCorePoolIncrease());<a name="line.313"></a>
+<span class="sourceLineNo">314</span> }<a name="line.314"></a>
+<span class="sourceLineNo">315</span><a name="line.315"></a>
+<span class="sourceLineNo">316</span> // Must reschedule the chore to prevent unnecessary delays of chores in the scheduler. If<a name="line.316"></a>
+<span class="sourceLineNo">317</span> // the chore is NOT rescheduled, future executions of this chore will be delayed more and<a name="line.317"></a>
+<span class="sourceLineNo">318</span> // more on each iteration. This hurts us because the ScheduledThreadPoolExecutor allocates<a name="line.318"></a>
+<span class="sourceLineNo">319</span> // idle threads to chores based on how delayed they are.<a name="line.319"></a>
+<span class="sourceLineNo">320</span> rescheduleChore(chore);<a name="line.320"></a>
+<span class="sourceLineNo">321</span> printChoreDetails("onChoreMissedStartTime", chore);<a name="line.321"></a>
+<span class="sourceLineNo">322</span> }<a name="line.322"></a>
+<span class="sourceLineNo">323</span><a name="line.323"></a>
+<span class="sourceLineNo">324</span> /**<a name="line.324"></a>
+<span class="sourceLineNo">325</span> * shutdown the service. Any chores that are scheduled for execution will be cancelled. Any chores<a name="line.325"></a>
+<span class="sourceLineNo">326</span> * in the middle of execution will be interrupted and shutdown. This service will be unusable<a name="line.326"></a>
+<span class="sourceLineNo">327</span> * after this method has been called (i.e. future scheduling attempts will fail).<a name="line.327"></a>
+<span class="sourceLineNo">328</span> */<a name="line.328"></a>
+<span class="sourceLineNo">329</span> public synchronized void shutdown() {<a name="line.329"></a>
+<span class="sourceLineNo">330</span> scheduler.shutdownNow();<a name="line.330"></a>
+<span class="sourceLineNo">331</span> if (LOG.isInfoEnabled()) {<a name="line.331"></a>
+<span class="sourceLineNo">332</span> LOG.info("Chore service for: " + coreThreadPoolPrefix + " had " + scheduledChores.keySet()<a name="line.332"></a>
+<span class="sourceLineNo">333</span> + " on shutdown");<a name="line.333"></a>
+<span class="sourceLineNo">334</span> }<a name="line.334"></a>
+<span class="sourceLineNo">335</span> cancelAllChores(true);<a name="line.335"></a>
+<span class="sourceLineNo">336</span> scheduledChores.clear();<a name="line.336"></a>
+<span class="sourceLineNo">337</span> choresMissingStartTime.clear();<a name="line.337"></a>
+<span class="sourceLineNo">338</span> }<a name="line.338"></a>
+<span class="sourceLineNo">339</span><a name="line.339"></a>
+<span class="sourceLineNo">340</span> /**<a name="line.340"></a>
+<span class="sourceLineNo">341</span> * @return true when the service is shutdown and thus cannot be used anymore<a name="line.341"></a>
+<span class="sourceLineNo">342</span> */<a name="line.342"></a>
+<span class="sourceLineNo">343</span> public boolean isShutdown() {<a name="line.343"></a>
+<span class="sourceLineNo">344</span> return scheduler.isShutdown();<a name="line.344"></a>
+<span class="sourceLineNo">345</span> }<a name="line.345"></a>
+<span class="sourceLineNo">346</span><a name="line.346"></a>
+<span class="sourceLineNo">347</span> /**<a name="line.347"></a>
+<span class="sourceLineNo">348</span> * @return true when the service is shutdown and all threads have terminated<a name="line.348"></a>
+<span class="sourceLineNo">349</span> */<a name="line.349"></a>
+<span class="sourceLineNo">350</span> public boolean isTerminated() {<a name="line.350"></a>
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+<span class="sourceLineNo">352</span> }<a name="line.352"></a>
+<span class="sourceLineNo">353</span><a name="line.353"></a>
+<span class="sourceLineNo">354</span> private void cancelAllChores(final boolean mayInterruptIfRunning) {<a name="line.354"></a>
+<span class="sourceLineNo">355</span> ArrayList<ScheduledChore> choresToCancel = new ArrayList<>(scheduledChores.keySet().size());<a name="line.355"></a>
+<span class="sourceLineNo">356</span> // Build list of chores to cancel so we can iterate through a set that won't change<a name="line.356"></a>
+<span class="sourceLineNo">357</span> // as chores are cancelled. If we tried to cancel each chore while iterating through<a name="line.357"></a>
+<span class="sourceLineNo">358</span> // keySet the results would be undefined because the keySet would be changing<a name="line.358"></a>
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+<span class="sourceLineNo">360</span> choresToCancel.add(chore);<a name="line.360"></a>
+<span class="sourceLineNo">361</span> }<a name="line.361"></a>
+<span class="sourceLineNo">362</span> for (ScheduledChore chore : choresToCancel) {<a name="line.362"></a>
+<span class="sourceLineNo">363</span> cancelChore(chore, mayInterruptIfRunning);<a name="line.363"></a>
+<span class="sourceLineNo">364</span> }<a name="line.364"></a>
+<span class="sourceLineNo">365</span> choresToCancel.clear();<a name="line.365"></a>
+<span class="sourceLineNo">366</span> }<a name="line.366"></a>
+<span class="sourceLineNo">367</span><a name="line.367"></a>
+<span class="sourceLineNo">368</span> /**<a name="line.368"></a>
+<span class="sourceLineNo">369</span> * Prints a summary of important details about the chore. Used for debugging purposes<a name="line.369"></a>
+<span class="sourceLineNo">370</span> */<a name="line.370"></a>
+<span class="sourceLineNo">371</span> private void printChoreDetails(final String header, ScheduledChore chore) {<a name="line.371"></a>
+<span class="sourceLineNo">372</span> LinkedHashMap<String, String> output = new LinkedHashMap<>();<a name="line.372"></a>
+<span class="sourceLineNo">373</span> output.put(header, "");<a name="line.373"></a>
+<span class="sourceLineNo">374</span> output.put("Chore name: ", chore.getName());<a name="line.374"></a>
+<span class="sourceLineNo">375</span> output.put("Chore period: ", Integer.toString(chore.getPeriod()));<a name="line.375"></a>
+<span class="sourceLineNo">376</span> output.put("Chore timeBetweenRuns: ", Long.toString(chore.getTimeBetweenRuns()));<a name="line.376"></a>
+<span class="sourceLineNo">377</span><a name="line.377"></a>
+<span class="sourceLineNo">378</span> for (Entry<String, String> entry : output.entrySet()) {<a name="line.378"></a>
+<span class="sourceLineNo">379</span> if (LOG.isTraceEnabled()) LOG.trace(entry.getKey() + entry.getValue());<a name="line.379"></a>
+<span class="sourceLineNo">380</span> }<a name="line.380"></a>
+<span class="sourceLineNo">381</span> }<a name="line.381"></a>
+<span class="sourceLineNo">382</span><a name="line.382"></a>
+<span class="sourceLineNo">383</span> /**<a name="line.383"></a>
+<span class="sourceLineNo">384</span> * Prints a summary of important details about the service. Used for debugging purposes<a name="line.384"></a>
+<span class="sourceLineNo">385</span> */<a name="line.385"></a>
+<span class="sourceLineNo">386</span> private void printChoreServiceDetails(final String header) {<a name="line.386"></a>
+<span class="sourceLineNo">387</span> LinkedHashMap<String, String> output = new LinkedHashMap<>();<a name="line.387"></a>
+<span class="sourceLineNo">388</span> output.put(header, "");<a name="line.388"></a>
+<span class="sourceLineNo">389</span> output.put("ChoreService corePoolSize: ", Integer.toString(getCorePoolSize()));<a name="line.389"></a>
+<span class="sourceLineNo">390</span> output.put("ChoreService scheduledChores: ", Integer.toString(getNumberOfScheduledChores()));<a name="line.390"></a>
+<span class="sourceLineNo">391</span> output.put("ChoreService missingStartTimeCount: ",<a name="line.391"></a>
+<span class="sourceLineNo">392</span> Integer.toString(getNumberOfChoresMissingStartTime()));<a name="line.392"></a>
+<span class="sourceLineNo">393</span><a name="line.393"></a>
+<span class="sourceLineNo">394</span> for (Entry<String, String> entry : output.entrySet()) {<a name="line.394"></a>
+<span class="sourceLineNo">395</span> if (LOG.isTraceEnabled()) LOG.trace(entry.getKey() + entry.getValue());<a name="line.395"></a>
+<span class="sourceLineNo">396</span> }<a name="line.396"></a>
+<span class="sourceLineNo">397</span> }<a name="line.397"></a>
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diff --git a/apidocs/src-html/org/apache/hadoop/hbase/ScheduledChore.html b/apidocs/src-html/org/apache/hadoop/hbase/ScheduledChore.html
index 317bf83..deb2db7 100644
--- a/apidocs/src-html/org/apache/hadoop/hbase/ScheduledChore.html
+++ b/apidocs/src-html/org/apache/hadoop/hbase/ScheduledChore.html
@@ -29,351 +29,360 @@
<span class="sourceLineNo">021</span>import java.util.concurrent.ScheduledThreadPoolExecutor;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import java.util.concurrent.TimeUnit;<a name="line.22"></a>
<span class="sourceLineNo">023</span><a name="line.23"></a>
-<span class="sourceLineNo">024</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.24"></a>
-<span class="sourceLineNo">025</span>import org.slf4j.Logger;<a name="line.25"></a>
-<span class="sourceLineNo">026</span>import org.slf4j.LoggerFactory;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.27"></a>
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-<span class="sourceLineNo">035</span> * execute within the defined period. It is bad practice to define a ScheduledChore whose execution<a name="line.35"></a>
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-<span class="sourceLineNo">038</span> * <p><a name="line.38"></a>
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-<span class="sourceLineNo">045</span><a name="line.45"></a>
-<span class="sourceLineNo">046</span> private final String name;<a name="line.46"></a>
+<span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.util.MovingAverage;<a name="line.24"></a>
+<span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.util.WindowMovingAverage;<a name="line.25"></a>
+<span class="sourceLineNo">026</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import org.slf4j.Logger;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import org.slf4j.LoggerFactory;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.29"></a>
+<span class="sourceLineNo">030</span><a name="line.30"></a>
+<span class="sourceLineNo">031</span>/**<a name="line.31"></a>
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+<span class="sourceLineNo">033</span> * scheduled with a {@link ChoreService} via {@link ChoreService#scheduleChore(ScheduledChore)}. The<a name="line.33"></a>
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+<span class="sourceLineNo">035</span> * access to the threads in the core thread pool. If an unhandled exception occurs, the chore<a name="line.35"></a>
+<span class="sourceLineNo">036</span> * cancellation is logged. Implementers should consider whether or not the Chore will be able to<a name="line.36"></a>
+<span class="sourceLineNo">037</span> * execute within the defined period. It is bad practice to define a ScheduledChore whose execution<a name="line.37"></a>
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+<span class="sourceLineNo">039</span> * thread pool.<a name="line.39"></a>
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+<span class="sourceLineNo">044</span>@InterfaceAudience.Public<a name="line.44"></a>
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-<span class="sourceLineNo">058</span> private final TimeUnit timeUnit;<a name="line.58"></a>
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html lang="en">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
+<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
+<span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a>
+<span class="sourceLineNo">009</span> *<a name="line.9"></a>
+<span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
+<span class="sourceLineNo">011</span> *<a name="line.11"></a>
+<span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a>
+<span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a>
+<span class="sourceLineNo">017</span> */<a name="line.17"></a>
+<span class="sourceLineNo">018</span><a name="line.18"></a>
+<span class="sourceLineNo">019</span>package org.apache.hadoop.hbase.util;<a name="line.19"></a>
+<span class="sourceLineNo">020</span><a name="line.20"></a>
+<span class="sourceLineNo">021</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.21"></a>
+<span class="sourceLineNo">022</span><a name="line.22"></a>
+<span class="sourceLineNo">023</span>/**<a name="line.23"></a>
+<span class="sourceLineNo">024</span> * EMA is similar to {@link WeightedMovingAverage} in weighted, but the weighting factor decrease<a name="line.24"></a>
+<span class="sourceLineNo">025</span> * exponentially. It brings benefits that it is more sensitive, and can see the trends easily.<a name="line.25"></a>
+<span class="sourceLineNo">026</span> */<a name="line.26"></a>
+<span class="sourceLineNo">027</span>@InterfaceAudience.Public<a name="line.27"></a>
+<span class="sourceLineNo">028</span>public class ExponentialMovingAverage extends WindowMovingAverage {<a name="line.28"></a>
+<span class="sourceLineNo">029</span> private double alpha;<a name="line.29"></a>
+<span class="sourceLineNo">030</span> private double previousAverage;<a name="line.30"></a>
+<span class="sourceLineNo">031</span> private double currentAverage;<a name="line.31"></a>
+<span class="sourceLineNo">032</span><a name="line.32"></a>
+<span class="sourceLineNo">033</span> public ExponentialMovingAverage() {<a name="line.33"></a>
+<span class="sourceLineNo">034</span> this(DEFAULT_SIZE);<a name="line.34"></a>
+<span class="sourceLineNo">035</span> }<a name="line.35"></a>
+<span class="sourceLineNo">036</span><a name="line.36"></a>
+<span class="sourceLineNo">037</span> public ExponentialMovingAverage(double alpha) {<a name="line.37"></a>
+<span class="sourceLineNo">038</span> this(DEFAULT_SIZE, alpha);<a name="line.38"></a>
+<span class="sourceLineNo">039</span> }<a name="line.39"></a>
+<span class="sourceLineNo">040</span><a name="line.40"></a>
+<span class="sourceLineNo">041</span> public ExponentialMovingAverage(int size) {<a name="line.41"></a>
+<span class="sourceLineNo">042</span> this(size, (double) 2 / (1 + size));<a name="line.42"></a>
+<span class="sourceLineNo">043</span> }<a name="line.43"></a>
+<span class="sourceLineNo">044</span><a name="line.44"></a>
+<span class="sourceLineNo">045</span> public ExponentialMovingAverage(int size, double alpha) {<a name="line.45"></a>
+<span class="sourceLineNo">046</span> super(size);<a name="line.46"></a>
+<span class="sourceLineNo">047</span> this.previousAverage = -1.0;<a name="line.47"></a>
+<span class="sourceLineNo">048</span> this.currentAverage = 0.0;<a name="line.48"></a>
+<span class="sourceLineNo">049</span> this.alpha = alpha;<a name="line.49"></a>
+<span class="sourceLineNo">050</span> }<a name="line.50"></a>
+<span class="sourceLineNo">051</span><a name="line.51"></a>
+<span class="sourceLineNo">052</span> @Override<a name="line.52"></a>
+<span class="sourceLineNo">053</span> public void updateMostRecentTime(long elapsed) {<a name="line.53"></a>
+<span class="sourceLineNo">054</span> if (!enoughStatistics()) {<a name="line.54"></a>
+<span class="sourceLineNo">055</span> previousAverage = super.getAverageTime();<a name="line.55"></a>
+<span class="sourceLineNo">056</span> super.updateMostRecentTime(elapsed);<a name="line.56"></a>
+<span class="sourceLineNo">057</span> if (!enoughStatistics()) {<a name="line.57"></a>
+<span class="sourceLineNo">058</span> return;<a name="line.58"></a>
+<span class="sourceLineNo">059</span> }<a name="line.59"></a>
+<span class="sourceLineNo">060</span> }<a name="line.60"></a>
+<span class="sourceLineNo">061</span> // CurrentEMA = α * currentValue + (1 - α) * previousEMA =><a name="line.61"></a>
+<span class="sourceLineNo">062</span> // CurrentEMA = (currentValue - previousEMA) * α + previousEMA<a name="line.62"></a>
+<span class="sourceLineNo">063</span> // This will reduce multiplication.<a name="line.63"></a>
+<span class="sourceLineNo">064</span> currentAverage = (elapsed - previousAverage) * alpha + previousAverage;<a name="line.64"></a>
+<span class="sourceLineNo">065</span> previousAverage = currentAverage;<a name="line.65"></a>
+<span class="sourceLineNo">066</span> }<a name="line.66"></a>
+<span class="sourceLineNo">067</span><a name="line.67"></a>
+<span class="sourceLineNo">068</span> @Override<a name="line.68"></a>
+<span class="sourceLineNo">069</span> public double getAverageTime() {<a name="line.69"></a>
+<span class="sourceLineNo">070</span> if (!enoughStatistics()) {<a name="line.70"></a>
+<span class="sourceLineNo">071</span> return super.getAverageTime();<a name="line.71"></a>
+<span class="sourceLineNo">072</span> }<a name="line.72"></a>
+<span class="sourceLineNo">073</span> return currentAverage;<a name="line.73"></a>
+<span class="sourceLineNo">074</span> }<a name="line.74"></a>
+<span class="sourceLineNo">075</span><a name="line.75"></a>
+<span class="sourceLineNo">076</span> double getPrevious() {<a name="line.76"></a>
+<span class="sourceLineNo">077</span> return previousAverage;<a name="line.77"></a>
+<span class="sourceLineNo">078</span> }<a name="line.78"></a>
+<span class="sourceLineNo">079</span>}<a name="line.79"></a>
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
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+
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+
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+
+
+
+
+
+
+</pre>
+</div>
+</body>
+</html>
diff --git a/apidocs/src-html/org/apache/hadoop/hbase/util/MovingAverage.html b/apidocs/src-html/org/apache/hadoop/hbase/util/MovingAverage.html
new file mode 100644
index 0000000..964085f
--- /dev/null
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html lang="en">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
+<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
+<span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a>
+<span class="sourceLineNo">009</span> *<a name="line.9"></a>
+<span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
+<span class="sourceLineNo">011</span> *<a name="line.11"></a>
+<span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a>
+<span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a>
+<span class="sourceLineNo">017</span> */<a name="line.17"></a>
+<span class="sourceLineNo">018</span><a name="line.18"></a>
+<span class="sourceLineNo">019</span>package org.apache.hadoop.hbase.util;<a name="line.19"></a>
+<span class="sourceLineNo">020</span><a name="line.20"></a>
+<span class="sourceLineNo">021</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.21"></a>
+<span class="sourceLineNo">022</span>import org.slf4j.Logger;<a name="line.22"></a>
+<span class="sourceLineNo">023</span>import org.slf4j.LoggerFactory;<a name="line.23"></a>
+<span class="sourceLineNo">024</span><a name="line.24"></a>
+<span class="sourceLineNo">025</span>/**<a name="line.25"></a>
+<span class="sourceLineNo">026</span> * The purpose of introduction of {@link MovingAverage} mainly is to measure execution time of a<a name="line.26"></a>
+<span class="sourceLineNo">027</span> * specific method, which can help us to know its performance fluctuation in response to different<a name="line.27"></a>
+<span class="sourceLineNo">028</span> * machine states or situations, better case, then to act accordingly.<a name="line.28"></a>
+<span class="sourceLineNo">029</span> * <br><a name="line.29"></a>
+<span class="sourceLineNo">030</span> * In different situation, different {@link MovingAverage} algorithm can be used based on needs.<a name="line.30"></a>
+<span class="sourceLineNo">031</span> */<a name="line.31"></a>
+<span class="sourceLineNo">032</span>@InterfaceAudience.Public<a name="line.32"></a>
+<span class="sourceLineNo">033</span>public abstract class MovingAverage<T> {<a name="line.33"></a>
+<span class="sourceLineNo">034</span> private final static Logger LOG = LoggerFactory.getLogger(MovingAverage.class);<a name="line.34"></a>
+<span class="sourceLineNo">035</span><a name="line.35"></a>
+<span class="sourceLineNo">036</span> /**<a name="line.36"></a>
+<span class="sourceLineNo">037</span> * Mark start time of an execution.<a name="line.37"></a>
+<span class="sourceLineNo">038</span> * @return time in ns.<a name="line.38"></a>
+<span class="sourceLineNo">039</span> */<a name="line.39"></a>
+<span class="sourceLineNo">040</span> protected long start() {<a name="line.40"></a>
+<span class="sourceLineNo">041</span> return System.nanoTime();<a name="line.41"></a>
+<span class="sourceLineNo">042</span> }<a name="line.42"></a>
+<span class="sourceLineNo">043</span><a name="line.43"></a>
+<span class="sourceLineNo">044</span> /**<a name="line.44"></a>
+<span class="sourceLineNo">045</span> * Mark end time of an execution, and return its interval.<a name="line.45"></a>
+<span class="sourceLineNo">046</span> * @param startTime start time of an execution<a name="line.46"></a>
+<span class="sourceLineNo">047</span> * @return elapsed time<a name="line.47"></a>
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+<span class="sourceLineNo">049</span> protected long stop(long startTime) {<a name="line.49"></a>
+<span class="sourceLineNo">050</span> return System.nanoTime() - startTime;<a name="line.50"></a>
+<span class="sourceLineNo">051</span> }<a name="line.51"></a>
+<span class="sourceLineNo">052</span><a name="line.52"></a>
+<span class="sourceLineNo">053</span> /**<a name="line.53"></a>
+<span class="sourceLineNo">054</span> * Measure elapsed time of a measurable method.<a name="line.54"></a>
+<span class="sourceLineNo">055</span> * @param measurable method implements {@link TimeMeasurable}<a name="line.55"></a>
+<span class="sourceLineNo">056</span> * @return T it refers to the original return type of the measurable method<a name="line.56"></a>
+<span class="sourceLineNo">057</span> */<a name="line.57"></a>
+<span class="sourceLineNo">058</span> public T measure(TimeMeasurable<T> measurable) {<a name="line.58"></a>
+<span class="sourceLineNo">059</span> long startTime = start();<a name="line.59"></a>
+<span class="sourceLineNo">060</span> LOG.debug("Start to measure at: {} ns.", startTime);<a name="line.60"></a>
+<span class="sourceLineNo">061</span> // Here may throw exceptions which should be taken care by caller, not here.<a name="line.61"></a>
+<span class="sourceLineNo">062</span> // If exception occurs, this time wouldn't count.<a name="line.62"></a>
+<span class="sourceLineNo">063</span> T result = measurable.measure();<a name="line.63"></a>
+<span class="sourceLineNo">064</span> long elapsed = stop(startTime);<a name="line.64"></a>
+<span class="sourceLineNo">065</span> LOG.debug("Elapse: {} ns.", elapsed);<a name="line.65"></a>
+<span class="sourceLineNo">066</span> updateMostRecentTime(elapsed);<a name="line.66"></a>
+<span class="sourceLineNo">067</span> return result;<a name="line.67"></a>
+<span class="sourceLineNo">068</span> }<a name="line.68"></a>
+<span class="sourceLineNo">069</span><a name="line.69"></a>
+<span class="sourceLineNo">070</span> /**<a name="line.70"></a>
+<span class="sourceLineNo">071</span> * Update the most recent data.<a name="line.71"></a>
+<span class="sourceLineNo">072</span> * @param elapsed elapsed time of the most recent measurement<a name="line.72"></a>
+<span class="sourceLineNo">073</span> */<a name="line.73"></a>
+<span class="sourceLineNo">074</span> protected abstract void updateMostRecentTime(long elapsed);<a name="line.74"></a>
+<span class="sourceLineNo">075</span><a name="line.75"></a>
+<span class="sourceLineNo">076</span> /**<a name="line.76"></a>
+<span class="sourceLineNo">077</span> * Get average execution time of the measured method.<a name="line.77"></a>
+<span class="sourceLineNo">078</span> * @return average time in ns<a name="line.78"></a>
+<span class="sourceLineNo">079</span> */<a name="line.79"></a>
+<span class="sourceLineNo">080</span> public abstract double getAverageTime();<a name="line.80"></a>
+<span class="sourceLineNo">081</span>}<a name="line.81"></a>
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+</pre>
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+</html>
diff --git a/apidocs/src-html/org/apache/hadoop/hbase/util/SimpleMovingAverage.html b/apidocs/src-html/org/apache/hadoop/hbase/util/SimpleMovingAverage.html
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index 0000000..bbffc36
--- /dev/null
+++ b/apidocs/src-html/org/apache/hadoop/hbase/util/SimpleMovingAverage.html
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html lang="en">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
+<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
+<span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a>
+<span class="sourceLineNo">009</span> *<a name="line.9"></a>
+<span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
+<span class="sourceLineNo">011</span> *<a name="line.11"></a>
+<span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a>
+<span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a>
+<span class="sourceLineNo">017</span> */<a name="line.17"></a>
+<span class="sourceLineNo">018</span><a name="line.18"></a>
+<span class="sourceLineNo">019</span>package org.apache.hadoop.hbase.util;<a name="line.19"></a>
+<span class="sourceLineNo">020</span><a name="line.20"></a>
+<span class="sourceLineNo">021</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.21"></a>
+<span class="sourceLineNo">022</span><a name="line.22"></a>
+<span class="sourceLineNo">023</span>/**<a name="line.23"></a>
+<span class="sourceLineNo">024</span> * SMA measure the overall average execution time of a specific method.<a name="line.24"></a>
+<span class="sourceLineNo">025</span> */<a name="line.25"></a>
+<span class="sourceLineNo">026</span>@InterfaceAudience.Public<a name="line.26"></a>
+<span class="sourceLineNo">027</span>public class SimpleMovingAverage extends MovingAverage {<a name="line.27"></a>
+<span class="sourceLineNo">028</span> private double averageTime = 0.0;<a name="line.28"></a>
+<span class="sourceLineNo">029</span> protected long count = 0;<a name="line.29"></a>
+<span class="sourceLineNo">030</span><a name="line.30"></a>
+<span class="sourceLineNo">031</span> public SimpleMovingAverage() {<a name="line.31"></a>
+<span class="sourceLineNo">032</span> this.averageTime = 0.0;<a name="line.32"></a>
+<span class="sourceLineNo">033</span> this.count = 0;<a name="line.33"></a>
+<span class="sourceLineNo">034</span> }<a name="line.34"></a>
+<span class="sourceLineNo">035</span><a name="line.35"></a>
+<span class="sourceLineNo">036</span> @Override<a name="line.36"></a>
+<span class="sourceLineNo">037</span> public void updateMostRecentTime(long elapsed) {<a name="line.37"></a>
+<span class="sourceLineNo">038</span> averageTime += (elapsed - averageTime) / (++count);<a name="line.38"></a>
+<span class="sourceLineNo">039</span> }<a name="line.39"></a>
+<span class="sourceLineNo">040</span><a name="line.40"></a>
+<span class="sourceLineNo">041</span> @Override<a name="line.41"></a>
+<span class="sourceLineNo">042</span> public double getAverageTime() {<a name="line.42"></a>
+<span class="sourceLineNo">043</span> return averageTime;<a name="line.43"></a>
+<span class="sourceLineNo">044</span> }<a name="line.44"></a>
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+</div>
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+</html>
diff --git a/apidocs/src-html/org/apache/hadoop/hbase/util/TimeMeasurable.html b/apidocs/src-html/org/apache/hadoop/hbase/util/TimeMeasurable.html
new file mode 100644
index 0000000..e5e7a85
--- /dev/null
+++ b/apidocs/src-html/org/apache/hadoop/hbase/util/TimeMeasurable.html
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html lang="en">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
+<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
+<span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a>
+<span class="sourceLineNo">009</span> *<a name="line.9"></a>
+<span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
+<span class="sourceLineNo">011</span> *<a name="line.11"></a>
+<span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a>
+<span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a>
+<span class="sourceLineNo">017</span> */<a name="line.17"></a>
+<span class="sourceLineNo">018</span><a name="line.18"></a>
+<span class="sourceLineNo">019</span>package org.apache.hadoop.hbase.util;<a name="line.19"></a>
+<span class="sourceLineNo">020</span><a name="line.20"></a>
+<span class="sourceLineNo">021</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.21"></a>
+<span class="sourceLineNo">022</span><a name="line.22"></a>
+<span class="sourceLineNo">023</span>/**<a name="line.23"></a>
+<span class="sourceLineNo">024</span> * Methods that implement this interface can be measured elapsed time.<a name="line.24"></a>
+<span class="sourceLineNo">025</span> * It works together with {@link MovingAverage} to take effect.<a name="line.25"></a>
+<span class="sourceLineNo">026</span> */<a name="line.26"></a>
+<span class="sourceLineNo">027</span>@InterfaceAudience.Public<a name="line.27"></a>
+<span class="sourceLineNo">028</span>public interface TimeMeasurable<T> {<a name="line.28"></a>
+<span class="sourceLineNo">029</span><a name="line.29"></a>
+<span class="sourceLineNo">030</span> /**<a name="line.30"></a>
+<span class="sourceLineNo">031</span> * Measure elapsed time.<a name="line.31"></a>
+<span class="sourceLineNo">032</span> * @return T<a name="line.32"></a>
+<span class="sourceLineNo">033</span> */<a name="line.33"></a>
+<span class="sourceLineNo">034</span> T measure();<a name="line.34"></a>
+<span class="sourceLineNo">035</span>}<a name="line.35"></a>
+
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+
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+
+
+</pre>
+</div>
+</body>
+</html>
diff --git a/apidocs/src-html/org/apache/hadoop/hbase/util/WeightedMovingAverage.html b/apidocs/src-html/org/apache/hadoop/hbase/util/WeightedMovingAverage.html
new file mode 100644
index 0000000..0e83aed
--- /dev/null
+++ b/apidocs/src-html/org/apache/hadoop/hbase/util/WeightedMovingAverage.html
@@ -0,0 +1,137 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html lang="en">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
+<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
+<span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a>
+<span class="sourceLineNo">009</span> *<a name="line.9"></a>
+<span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
+<span class="sourceLineNo">011</span> *<a name="line.11"></a>
+<span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a>
+<span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a>
+<span class="sourceLineNo">017</span> */<a name="line.17"></a>
+<span class="sourceLineNo">018</span><a name="line.18"></a>
+<span class="sourceLineNo">019</span>package org.apache.hadoop.hbase.util;<a name="line.19"></a>
+<span class="sourceLineNo">020</span><a name="line.20"></a>
+<span class="sourceLineNo">021</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.21"></a>
+<span class="sourceLineNo">022</span><a name="line.22"></a>
+<span class="sourceLineNo">023</span>/**<a name="line.23"></a>
+<span class="sourceLineNo">024</span> * Different from SMA {@link SimpleMovingAverage}, WeightedMovingAverage gives each data different<a name="line.24"></a>
+<span class="sourceLineNo">025</span> * weight. And it is based on {@link WindowMovingAverage}, such that it only focus on the last N.<a name="line.25"></a>
+<span class="sourceLineNo">026</span> */<a name="line.26"></a>
+<span class="sourceLineNo">027</span>@InterfaceAudience.Public<a name="line.27"></a>
+<span class="sourceLineNo">028</span>public class WeightedMovingAverage extends WindowMovingAverage {<a name="line.28"></a>
+<span class="sourceLineNo">029</span> private int[] coefficient;<a name="line.29"></a>
+<span class="sourceLineNo">030</span> private int denominator;<a name="line.30"></a>
+<span class="sourceLineNo">031</span><a name="line.31"></a>
+<span class="sourceLineNo">032</span> public WeightedMovingAverage() {<a name="line.32"></a>
+<span class="sourceLineNo">033</span> this(DEFAULT_SIZE);<a name="line.33"></a>
+<span class="sourceLineNo">034</span> }<a name="line.34"></a>
+<span class="sourceLineNo">035</span><a name="line.35"></a>
+<span class="sourceLineNo">036</span> public WeightedMovingAverage(int size) {<a name="line.36"></a>
+<span class="sourceLineNo">037</span> super(size);<a name="line.37"></a>
+<span class="sourceLineNo">038</span> int length = getNumberOfStatistics();<a name="line.38"></a>
+<span class="sourceLineNo">039</span> denominator = length * (length + 1) / 2;<a name="line.39"></a>
+<span class="sourceLineNo">040</span> coefficient = new int[length];<a name="line.40"></a>
+<span class="sourceLineNo">041</span> // E.g. default size is 5, coefficient should be [1, 2, 3, 4, 5]<a name="line.41"></a>
+<span class="sourceLineNo">042</span> for (int i = 0; i < length; i++) {<a name="line.42"></a>
+<span class="sourceLineNo">043</span> coefficient[i] = i + 1;<a name="line.43"></a>
+<span class="sourceLineNo">044</span> }<a name="line.44"></a>
+<span class="sourceLineNo">045</span> }<a name="line.45"></a>
+<span class="sourceLineNo">046</span><a name="line.46"></a>
+<span class="sourceLineNo">047</span> @Override<a name="line.47"></a>
+<span class="sourceLineNo">048</span> public double getAverageTime() {<a name="line.48"></a>
+<span class="sourceLineNo">049</span> if (!enoughStatistics()) {<a name="line.49"></a>
+<span class="sourceLineNo">050</span> return super.getAverageTime();<a name="line.50"></a>
+<span class="sourceLineNo">051</span> }<a name="line.51"></a>
+<span class="sourceLineNo">052</span> // only we get enough statistics, then start WMA.<a name="line.52"></a>
+<span class="sourceLineNo">053</span> double average = 0.0;<a name="line.53"></a>
+<span class="sourceLineNo">054</span> int coIndex = 0;<a name="line.54"></a>
+<span class="sourceLineNo">055</span> int length = getNumberOfStatistics();<a name="line.55"></a>
+<span class="sourceLineNo">056</span> // tmIndex, it points to the oldest data.<a name="line.56"></a>
+<span class="sourceLineNo">057</span> for (int tmIndex = (getMostRecentPosistion() + 1) % length;<a name="line.57"></a>
+<span class="sourceLineNo">058</span> coIndex < length;<a name="line.58"></a>
+<span class="sourceLineNo">059</span> coIndex++, tmIndex = (++tmIndex) % length) {<a name="line.59"></a>
+<span class="sourceLineNo">060</span> // start the multiplication from oldest to newest<a name="line.60"></a>
+<span class="sourceLineNo">061</span> average += coefficient[coIndex] * getStatisticsAtIndex(tmIndex);<a name="line.61"></a>
+<span class="sourceLineNo">062</span> }<a name="line.62"></a>
+<span class="sourceLineNo">063</span> return average / denominator;<a name="line.63"></a>
+<span class="sourceLineNo">064</span> }<a name="line.64"></a>
+<span class="sourceLineNo">065</span>}<a name="line.65"></a>
+
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+</pre>
+</div>
+</body>
+</html>
diff --git a/apidocs/src-html/org/apache/hadoop/hbase/util/WindowMovingAverage.html b/apidocs/src-html/org/apache/hadoop/hbase/util/WindowMovingAverage.html
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index 0000000..00f0820
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+++ b/apidocs/src-html/org/apache/hadoop/hbase/util/WindowMovingAverage.html
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html lang="en">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
+<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
+<span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a>
+<span class="sourceLineNo">009</span> *<a name="line.9"></a>
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+<span class="sourceLineNo">100</span> protected int moveForwardMostRecentPosistion() {<a name="line.100"></a>
+<span class="sourceLineNo">101</span> int index = ++mostRecent;<a name="line.101"></a>
+<span class="sourceLineNo">102</span> if (!oneRound && index == getNumberOfStatistics()) {<a name="line.102"></a>
+<span class="sourceLineNo">103</span> // Back to the head of the lastN, from now on will<a name="line.103"></a>
+<span class="sourceLineNo">104</span> // start to evict oldest value.<a name="line.104"></a>
+<span class="sourceLineNo">105</span> oneRound = true;<a name="line.105"></a>
+<span class="sourceLineNo">106</span> }<a name="line.106"></a>
+<span class="sourceLineNo">107</span> mostRecent = index % getNumberOfStatistics();<a name="line.107"></a>
+<span class="sourceLineNo">108</span> return mostRecent;<a name="line.108"></a>
+<span class="sourceLineNo">109</span> }<a name="line.109"></a>
+<span class="sourceLineNo">110</span><a name="line.110"></a>
+<span class="sourceLineNo">111</span> private long sum(int bound) {<a name="line.111"></a>
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+<span class="sourceLineNo">113</span> for (int i = 0; i < bound; i++) {<a name="line.113"></a>
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+<span class="sourceLineNo">115</span> }<a name="line.115"></a>
+<span class="sourceLineNo">116</span> return sum;<a name="line.116"></a>
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+<span class="sourceLineNo">118</span>}<a name="line.118"></a>
+
+
+
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+
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+
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+
+
+
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+
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+
+
+</pre>
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<div class="row">
<p>Copyright ©2007–2019
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
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</p>
</div>
<p id="poweredBy" class="pull-right"><a href="http://maven.apache.org/" title="Built by Maven" class="poweredBy"><img class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png" /></a>
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<li><a href="org/apache/hadoop/hbase/master/assignment/MoveRegionProcedure.html" title="class in org.apache.hadoop.hbase.master.assignment" target="classFrame">MoveRegionProcedure</a></li>
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<li><a href="org/apache/hadoop/hbase/regionserver/throttle/ThroughputControlUtil.html" title="class in org.apache.hadoop.hbase.regionserver.throttle" target="classFrame">ThroughputControlUtil</a></li>
<li><a href="org/apache/hadoop/hbase/quotas/TimeBasedLimiter.html" title="class in org.apache.hadoop.hbase.quotas" target="classFrame">TimeBasedLimiter</a></li>
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<li><a href="org/apache/hadoop/hbase/errorhandling/TimeoutException.html" title="class in org.apache.hadoop.hbase.errorhandling" target="classFrame">TimeoutException</a></li>
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<li><a href="org/apache/hadoop/hbase/util/WeakObjectPool.html" title="class in org.apache.hadoop.hbase.util" target="classFrame">WeakObjectPool</a></li>
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<li><a href="org/apache/hadoop/hbase/filter/WhileMatchFilter.html" title="class in org.apache.hadoop.hbase.filter" target="classFrame">WhileMatchFilter</a></li>
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<li><a href="org/apache/hadoop/hbase/master/assignment/MoveRegionProcedure.html" title="class in org.apache.hadoop.hbase.master.assignment">MoveRegionProcedure</a></li>
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<li><a href="org/apache/hadoop/hbase/quotas/TimeBasedLimiter.html" title="class in org.apache.hadoop.hbase.quotas">TimeBasedLimiter</a></li>
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<li><a href="org/apache/hadoop/hbase/errorhandling/TimeoutException.html" title="class in org.apache.hadoop.hbase.errorhandling">TimeoutException</a></li>
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<li><a href="org/apache/hadoop/hbase/util/WeakObjectPool.html" title="class in org.apache.hadoop.hbase.util">WeakObjectPool</a></li>
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<li><a href="org/apache/hadoop/hbase/filter/WhileMatchFilter.html" title="class in org.apache.hadoop.hbase.filter">WhileMatchFilter</a></li>
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<li><a href="org/apache/hadoop/hbase/io/asyncfs/WrapperAsyncFSOutput.html" title="class in org.apache.hadoop.hbase.io.asyncfs">WrapperAsyncFSOutput</a></li>
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<td><code><a href="org/apache/hadoop/hbase/Version.html#date">date</a></code></td>
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<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/io/TimeRange.html#allTime--">allTime()</a></span> - Static method in class org.apache.hadoop.hbase.io.<a href="org/apache/hadoop/hbase/io/TimeRange.html" title="class in org.apache.hadoop.hbase.io">TimeRange</a></dt>
<dd> </dd>
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+<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/http/ProfileOutputServlet.html#ALPHA_NUMERIC">ALPHA_NUMERIC</a></span> - Static variable in class org.apache.hadoop.hbase.http.<a href="org/apache/hadoop/hbase/http/ProfileOutputServlet.html" title="class in org.apache.hadoop.hbase.http">ProfileOutputServlet</a></dt>
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/master/CatalogJanitor.html#alreadyRunning">alreadyRunning</a></span> - Variable in class org.apache.hadoop.hbase.master.<a href="org/apache/hadoop/hbase/master/CatalogJanitor.html" title="class in org.apache.hadoop.hbase.master">CatalogJanitor</a></dt>
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<dd> </dd>
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<dd>
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+<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/MunkresAssignment.html#colAdjust">colAdjust</a></span> - Variable in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/MunkresAssignment.html" title="class in org.apache.hadoop.hbase.util">MunkresAssignment</a></dt>
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/PrivateCellUtil.FirstOnRowColByteBufferExtendedCell.html#colBuff">colBuff</a></span> - Variable in class org.apache.hadoop.hbase.<a href="org/apache/hadoop/hbase/PrivateCellUtil.FirstOnRowColByteBufferExtendedCell.html" title="class in org.apache.hadoop.hbase">PrivateCellUtil.FirstOnRowColByteBufferExtendedCell</a></dt>
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<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/regionserver/querymatcher/UserScanQueryMatcher.html#count">count</a></span> - Variable in class org.apache.hadoop.hbase.regionserver.querymatcher.<a href="org/apache/hadoop/hbase/regionserver/querymatcher/UserScanQueryMatcher.html" title="class in org.apache.hadoop.hbase.regionserver.querymatcher">UserScanQueryMatcher</a></dt>
<dd> </dd>
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+<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/metrics2/util/MetricSampleQuantiles.html#count">count</a></span> - Variable in class org.apache.hadoop.metrics2.util.<a href="org/apache/hadoop/metrics2/util/MetricSampleQuantiles.html" title="class in org.apache.hadoop.metrics2.util">MetricSampleQuantiles</a></dt>
<dd>
<div class="block">Total number of items in stream</div>
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<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/ipc/RpcServer.html#CURRENT_VERSION">CURRENT_VERSION</a></span> - Static variable in class org.apache.hadoop.hbase.ipc.<a href="org/apache/hadoop/hbase/ipc/RpcServer.html" title="class in org.apache.hadoop.hbase.ipc">RpcServer</a></dt>
<dd> </dd>
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+<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.html#currentBandwidth">currentBandwidth</a></span> - Variable in class org.apache.hadoop.hbase.replication.regionserver.<a href="org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.html" title="class in org.apache.hadoop.hbase.replication.regionserver">ReplicationSource</a></dt>
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.BufferedEncodedSeeker.html#currentBuffer">currentBuffer</a></span> - Variable in class org.apache.hadoop.hbase.io.encoding.<a href="org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.BufferedEncodedSeeker.html" title="class in org.apache.hadoop.hbase.io.encoding">BufferedDataBlockEncoder.BufferedEncodedSeeker</a></dt>
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<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/regionserver/ScannerContext.ProgressFields.html#DEFAULT_SIZE">DEFAULT_SIZE</a></span> - Static variable in class org.apache.hadoop.hbase.regionserver.<a href="org/apache/hadoop/hbase/regionserver/ScannerContext.ProgressFields.html" title="class in org.apache.hadoop.hbase.regionserver">ScannerContext.ProgressFields</a></dt>
<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html#DEFAULT_SIZE">DEFAULT_SIZE</a></span> - Static variable in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html" title="class in org.apache.hadoop.hbase.util">WindowMovingAverage</a></dt>
+<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/coprocessor/CoprocessorHost.html#DEFAULT_SKIP_LOAD_DUPLICATE_TABLE_COPROCESSOR">DEFAULT_SKIP_LOAD_DUPLICATE_TABLE_COPROCESSOR</a></span> - Static variable in class org.apache.hadoop.hbase.coprocessor.<a href="org/apache/hadoop/hbase/coprocessor/CoprocessorHost.html" title="class in org.apache.hadoop.hbase.coprocessor">CoprocessorHost</a></dt>
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/ServerCommandLine.html#DEFAULT_SKIP_WORDS">DEFAULT_SKIP_WORDS</a></span> - Static variable in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/ServerCommandLine.html" title="class in org.apache.hadoop.hbase.util">ServerCommandLine</a></dt>
@@ -25618,6 +25630,8 @@
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/thrift2/DemoClient.html#DemoClient--">DemoClient()</a></span> - Constructor for class org.apache.hadoop.hbase.thrift2.<a href="org/apache/hadoop/hbase/thrift2/DemoClient.html" title="class in org.apache.hadoop.hbase.thrift2">DemoClient</a></dt>
<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/WeightedMovingAverage.html#denominator">denominator</a></span> - Variable in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/WeightedMovingAverage.html" title="class in org.apache.hadoop.hbase.util">WeightedMovingAverage</a></dt>
+<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/security/access/AuthResult.html#deny-java.lang.String-java.lang.String-org.apache.hadoop.hbase.security.User-org.apache.hadoop.hbase.security.access.Permission.Action-java.lang.String-">deny(String, String, User, Permission.Action, String)</a></span> - Static method in class org.apache.hadoop.hbase.security.access.<a href="org/apache/hadoop/hbase/security/access/AuthResult.html" title="class in org.apache.hadoop.hbase.secu [...]
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/security/access/AuthResult.html#deny-java.lang.String-java.lang.String-org.apache.hadoop.hbase.security.User-org.apache.hadoop.hbase.security.access.Permission.Action-org.apache.hadoop.hbase.TableName-byte:A-byte:A-">deny(String, String, User, Permission.Action, TableName, byte[], byte[])</a></span> - Static method in class org.apache.hadoop.hbase.security.access.<a href="org/apache/hadoop/hbase/security/access/AuthResult. [...]
@@ -28667,6 +28681,10 @@
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/filter/RegexStringComparator.EngineType.html#EngineType--">EngineType()</a></span> - Constructor for enum org.apache.hadoop.hbase.filter.<a href="org/apache/hadoop/hbase/filter/RegexStringComparator.EngineType.html" title="enum in org.apache.hadoop.hbase.filter">RegexStringComparator.EngineType</a></dt>
<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html#enoughStatistics--">enoughStatistics()</a></span> - Method in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html" title="class in org.apache.hadoop.hbase.util">WindowMovingAverage</a></dt>
+<dd>
+<div class="block">Check if there are enough statistics.</div>
+</dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/master/procedure/MasterProcedureScheduler.html#enqueue-org.apache.hadoop.hbase.procedure2.Procedure-boolean-">enqueue(Procedure, boolean)</a></span> - Method in class org.apache.hadoop.hbase.master.procedure.<a href="org/apache/hadoop/hbase/master/procedure/MasterProcedureScheduler.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureScheduler</a></dt>
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html#enqueue-org.apache.hadoop.hbase.procedure2.Procedure-boolean-">enqueue(Procedure, boolean)</a></span> - Method in class org.apache.hadoop.hbase.procedure2.<a href="org/apache/hadoop/hbase/procedure2/AbstractProcedureScheduler.html" title="class in org.apache.hadoop.hbase.procedure2">AbstractProcedureScheduler</a></dt>
@@ -30524,6 +30542,19 @@
<dd> </dd>
<dt><a href="org/apache/hadoop/hbase/regionserver/compactions/ExponentialCompactionWindowFactory.Window.html" title="class in org.apache.hadoop.hbase.regionserver.compactions"><span class="typeNameLink">ExponentialCompactionWindowFactory.Window</span></a> - Class in <a href="org/apache/hadoop/hbase/regionserver/compactions/package-summary.html">org.apache.hadoop.hbase.regionserver.compactions</a></dt>
<dd> </dd>
+<dt><a href="org/apache/hadoop/hbase/util/ExponentialMovingAverage.html" title="class in org.apache.hadoop.hbase.util"><span class="typeNameLink">ExponentialMovingAverage</span></a> - Class in <a href="org/apache/hadoop/hbase/util/package-summary.html">org.apache.hadoop.hbase.util</a></dt>
+<dd>
+<div class="block">EMA is similar to <a href="org/apache/hadoop/hbase/util/WeightedMovingAverage.html" title="class in org.apache.hadoop.hbase.util"><code>WeightedMovingAverage</code></a> in weighted, but the weighting factor decrease
+ exponentially.</div>
+</dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/ExponentialMovingAverage.html#ExponentialMovingAverage--">ExponentialMovingAverage()</a></span> - Constructor for class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/ExponentialMovingAverage.html" title="class in org.apache.hadoop.hbase.util">ExponentialMovingAverage</a></dt>
+<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/ExponentialMovingAverage.html#ExponentialMovingAverage-double-">ExponentialMovingAverage(double)</a></span> - Constructor for class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/ExponentialMovingAverage.html" title="class in org.apache.hadoop.hbase.util">ExponentialMovingAverage</a></dt>
+<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/ExponentialMovingAverage.html#ExponentialMovingAverage-int-">ExponentialMovingAverage(int)</a></span> - Constructor for class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/ExponentialMovingAverage.html" title="class in org.apache.hadoop.hbase.util">ExponentialMovingAverage</a></dt>
+<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/ExponentialMovingAverage.html#ExponentialMovingAverage-int-double-">ExponentialMovingAverage(int, double)</a></span> - Constructor for class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/ExponentialMovingAverage.html" title="class in org.apache.hadoop.hbase.util">ExponentialMovingAverage</a></dt>
+<dd> </dd>
<dt><a href="org/apache/hadoop/hbase/coprocessor/Export.html" title="class in org.apache.hadoop.hbase.coprocessor"><span class="typeNameLink">Export</span></a> - Class in <a href="org/apache/hadoop/hbase/coprocessor/package-summary.html">org.apache.hadoop.hbase.coprocessor</a></dt>
<dd>
<div class="block">Export an HBase table.</div>
@@ -35881,6 +35912,18 @@
</dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/regionserver/MetricsRegionServerWrapperImpl.html#getAverageRegionSize--">getAverageRegionSize()</a></span> - Method in class org.apache.hadoop.hbase.regionserver.<a href="org/apache/hadoop/hbase/regionserver/MetricsRegionServerWrapperImpl.html" title="class in org.apache.hadoop.hbase.regionserver">MetricsRegionServerWrapperImpl</a></dt>
<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/ExponentialMovingAverage.html#getAverageTime--">getAverageTime()</a></span> - Method in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/ExponentialMovingAverage.html" title="class in org.apache.hadoop.hbase.util">ExponentialMovingAverage</a></dt>
+<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/MovingAverage.html#getAverageTime--">getAverageTime()</a></span> - Method in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/MovingAverage.html" title="class in org.apache.hadoop.hbase.util">MovingAverage</a></dt>
+<dd>
+<div class="block">Get average execution time of the measured method.</div>
+</dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/SimpleMovingAverage.html#getAverageTime--">getAverageTime()</a></span> - Method in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/SimpleMovingAverage.html" title="class in org.apache.hadoop.hbase.util">SimpleMovingAverage</a></dt>
+<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/WeightedMovingAverage.html#getAverageTime--">getAverageTime()</a></span> - Method in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/WeightedMovingAverage.html" title="class in org.apache.hadoop.hbase.util">WeightedMovingAverage</a></dt>
+<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html#getAverageTime--">getAverageTime()</a></span> - Method in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html" title="class in org.apache.hadoop.hbase.util">WindowMovingAverage</a></dt>
+<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/coprocessor/AggregateImplementation.html#getAvg-com.google.protobuf.RpcController-org.apache.hadoop.hbase.protobuf.generated.AggregateProtos.AggregateRequest-com.google.protobuf.RpcCallback-">getAvg(RpcController, AggregateProtos.AggregateRequest, RpcCallback<AggregateProtos.AggregateResponse>)</a></span> - Method in class org.apache.hadoop.hbase.coprocessor.<a href="org/apache/hadoop/hbase/coprocessor/AggregateImple [...]
<dd>
<div class="block">Gives a Pair with first object as Sum and second object as row count,
@@ -44415,6 +44458,8 @@
</dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.LocalityBasedCostFunction.html#getMostLocalEntityForRegion-int-">getMostLocalEntityForRegion(int)</a></span> - Method in class org.apache.hadoop.hbase.master.balancer.<a href="org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.LocalityBasedCostFunction.html" title="class in org.apache.hadoop.hbase.master.balancer">StochasticLoadBalancer.LocalityBasedCostFunction</a></dt>
<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html#getMostRecentPosistion--">getMostRecentPosistion()</a></span> - Method in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html" title="class in org.apache.hadoop.hbase.util">WindowMovingAverage</a></dt>
+<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/regionserver/HRegionServer.html#getMovedRegion-java.lang.String-">getMovedRegion(String)</a></span> - Method in class org.apache.hadoop.hbase.regionserver.<a href="org/apache/hadoop/hbase/regionserver/HRegionServer.html" title="class in org.apache.hadoop.hbase.regionserver">HRegionServer</a></dt>
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/master/MetricsAssignmentManagerSource.html#getMoveMetrics--">getMoveMetrics()</a></span> - Method in interface org.apache.hadoop.hbase.master.<a href="org/apache/hadoop/hbase/master/MetricsAssignmentManagerSource.html" title="interface in org.apache.hadoop.hbase.master">MetricsAssignmentManagerSource</a></dt>
@@ -45193,6 +45238,8 @@
</dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/ChoreService.html#getNumberOfScheduledChores--">getNumberOfScheduledChores()</a></span> - Method in class org.apache.hadoop.hbase.<a href="org/apache/hadoop/hbase/ChoreService.html" title="class in org.apache.hadoop.hbase">ChoreService</a></dt>
<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html#getNumberOfStatistics--">getNumberOfStatistics()</a></span> - Method in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html" title="class in org.apache.hadoop.hbase.util">WindowMovingAverage</a></dt>
+<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/client/RequestController.html#getNumberOfTasksInProgress--">getNumberOfTasksInProgress()</a></span> - Method in interface org.apache.hadoop.hbase.client.<a href="org/apache/hadoop/hbase/client/RequestController.html" title="interface in org.apache.hadoop.hbase.client">RequestController</a></dt>
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/client/SimpleRequestController.html#getNumberOfTasksInProgress--">getNumberOfTasksInProgress()</a></span> - Method in class org.apache.hadoop.hbase.client.<a href="org/apache/hadoop/hbase/client/SimpleRequestController.html" title="class in org.apache.hadoop.hbase.client">SimpleRequestController</a></dt>
@@ -46557,6 +46604,8 @@
<dd>
<div class="block">Returns the previous cell written by this writer</div>
</dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/ExponentialMovingAverage.html#getPrevious--">getPrevious()</a></span> - Method in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/ExponentialMovingAverage.html" title="class in org.apache.hadoop.hbase.util">ExponentialMovingAverage</a></dt>
+<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/quotas/FileArchiverNotifierImpl.html#getPreviousNamespaceSnapshotSize-org.apache.hadoop.hbase.client.Table-java.lang.String-">getPreviousNamespaceSnapshotSize(Table, String)</a></span> - Method in class org.apache.hadoop.hbase.quotas.<a href="org/apache/hadoop/hbase/quotas/FileArchiverNotifierImpl.html" title="class in org.apache.hadoop.hbase.quotas">FileArchiverNotifierImpl</a></dt>
<dd>
<div class="block">Fetches the current size of all snapshots in the given <code>namespace</code>.</div>
@@ -51602,6 +51651,10 @@
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/snapshot/SnapshotInfo.SnapshotStats.FileInfo.html#getStateToString--">getStateToString()</a></span> - Method in class org.apache.hadoop.hbase.snapshot.<a href="org/apache/hadoop/hbase/snapshot/SnapshotInfo.SnapshotStats.FileInfo.html" title="class in org.apache.hadoop.hbase.snapshot">SnapshotInfo.SnapshotStats.FileInfo</a></dt>
<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html#getStatisticsAtIndex-int-">getStatisticsAtIndex(int)</a></span> - Method in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html" title="class in org.apache.hadoop.hbase.util">WindowMovingAverage</a></dt>
+<dd>
+<div class="block">Get statistics at index.</div>
+</dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/client/AsyncConnectionImpl.html#getStatisticsTracker--">getStatisticsTracker()</a></span> - Method in class org.apache.hadoop.hbase.client.<a href="org/apache/hadoop/hbase/client/AsyncConnectionImpl.html" title="class in org.apache.hadoop.hbase.client">AsyncConnectionImpl</a></dt>
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/client/Result.html#getStats--">getStats()</a></span> - Method in class org.apache.hadoop.hbase.client.<a href="org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a></dt>
@@ -67960,6 +68013,8 @@
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/master/snapshot/SnapshotFileCache.SnapshotDirectoryInfo.html#lastModified">lastModified</a></span> - Variable in class org.apache.hadoop.hbase.master.snapshot.<a href="org/apache/hadoop/hbase/master/snapshot/SnapshotFileCache.SnapshotDirectoryInfo.html" title="class in org.apache.hadoop.hbase.master.snapshot">SnapshotFileCache.SnapshotDirectoryInfo</a></dt>
<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html#lastN">lastN</a></span> - Variable in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html" title="class in org.apache.hadoop.hbase.util">WindowMovingAverage</a></dt>
+<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/PrivateCellUtil.LastOnRowByteBufferExtendedCell.html#LastOnRowByteBufferExtendedCell-java.nio.ByteBuffer-int-short-">LastOnRowByteBufferExtendedCell(ByteBuffer, int, short)</a></span> - Constructor for class org.apache.hadoop.hbase.<a href="org/apache/hadoop/hbase/PrivateCellUtil.LastOnRowByteBufferExtendedCell.html" title="class in org.apache.hadoop.hbase">PrivateCellUtil.LastOnRowByteBufferExtendedCell</a></dt>
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/PrivateCellUtil.LastOnRowCell.html#LastOnRowCell-byte:A-int-short-">LastOnRowCell(byte[], int, short)</a></span> - Constructor for class org.apache.hadoop.hbase.<a href="org/apache/hadoop/hbase/PrivateCellUtil.LastOnRowCell.html" title="class in org.apache.hadoop.hbase">PrivateCellUtil.LastOnRowCell</a></dt>
@@ -71114,6 +71169,8 @@
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/ModifyRegionUtils.html#LOG">LOG</a></span> - Static variable in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/ModifyRegionUtils.html" title="class in org.apache.hadoop.hbase.util">ModifyRegionUtils</a></dt>
<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/MovingAverage.html#LOG">LOG</a></span> - Static variable in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/MovingAverage.html" title="class in org.apache.hadoop.hbase.util">MovingAverage</a></dt>
+<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/PrettyPrinter.html#LOG">LOG</a></span> - Static variable in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/PrettyPrinter.html" title="class in org.apache.hadoop.hbase.util">PrettyPrinter</a></dt>
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/ProcessUtils.html#LOG">LOG</a></span> - Static variable in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/ProcessUtils.html" title="class in org.apache.hadoop.hbase.util">ProcessUtils</a></dt>
@@ -74281,6 +74338,14 @@
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/metrics2/MetricHistogram.html#MEAN_METRIC_NAME">MEAN_METRIC_NAME</a></span> - Static variable in interface org.apache.hadoop.metrics2.<a href="org/apache/hadoop/metrics2/MetricHistogram.html" title="interface in org.apache.hadoop.metrics2">MetricHistogram</a></dt>
<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/MovingAverage.html#measure-org.apache.hadoop.hbase.util.TimeMeasurable-">measure(TimeMeasurable<T>)</a></span> - Method in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/MovingAverage.html" title="class in org.apache.hadoop.hbase.util">MovingAverage</a></dt>
+<dd>
+<div class="block">Measure elapsed time of a measurable method.</div>
+</dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/TimeMeasurable.html#measure--">measure()</a></span> - Method in interface org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/TimeMeasurable.html" title="interface in org.apache.hadoop.hbase.util">TimeMeasurable</a></dt>
+<dd>
+<div class="block">Measure elapsed time.</div>
+</dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutputSaslHelper.html#MECHANISM">MECHANISM</a></span> - Static variable in class org.apache.hadoop.hbase.io.asyncfs.<a href="org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutputSaslHelper.html" title="class in org.apache.hadoop.hbase.io.asyncfs">FanOutOneBlockAsyncDFSOutputSaslHelper</a></dt>
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/security/AuthMethod.html#mechanismName">mechanismName</a></span> - Variable in enum org.apache.hadoop.hbase.security.<a href="org/apache/hadoop/hbase/security/AuthMethod.html" title="enum in org.apache.hadoop.hbase.security">AuthMethod</a></dt>
@@ -77354,6 +77419,8 @@
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/master/AssignmentVerificationReport.html#mostLoadedRSSet">mostLoadedRSSet</a></span> - Variable in class org.apache.hadoop.hbase.master.<a href="org/apache/hadoop/hbase/master/AssignmentVerificationReport.html" title="class in org.apache.hadoop.hbase.master">AssignmentVerificationReport</a></dt>
<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html#mostRecent">mostRecent</a></span> - Variable in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html" title="class in org.apache.hadoop.hbase.util">WindowMovingAverage</a></dt>
+<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/master/assignment/GCMergedRegionsProcedure.html#mother">mother</a></span> - Variable in class org.apache.hadoop.hbase.master.assignment.<a href="org/apache/hadoop/hbase/master/assignment/GCMergedRegionsProcedure.html" title="class in org.apache.hadoop.hbase.master.assignment">GCMergedRegionsProcedure</a></dt>
<dd>
<div class="block"><span class="deprecatedLabel">Deprecated.</span></div>
@@ -77468,6 +77535,10 @@
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/regionserver/HStore.html#moveFileIntoPlace-org.apache.hadoop.fs.Path-">moveFileIntoPlace(Path)</a></span> - Method in class org.apache.hadoop.hbase.regionserver.<a href="org/apache/hadoop/hbase/regionserver/HStore.html" title="class in org.apache.hadoop.hbase.regionserver">HStore</a></dt>
<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html#moveForwardMostRecentPosistion--">moveForwardMostRecentPosistion()</a></span> - Method in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html" title="class in org.apache.hadoop.hbase.util">WindowMovingAverage</a></dt>
+<dd>
+<div class="block">Move forward the most recent index.</div>
+</dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/master/ServerManager.html#moveFromOnlineToDeadServers-org.apache.hadoop.hbase.ServerName-">moveFromOnlineToDeadServers(ServerName)</a></span> - Method in class org.apache.hadoop.hbase.master.<a href="org/apache/hadoop/hbase/master/ServerManager.html" title="class in org.apache.hadoop.hbase.master">ServerManager</a></dt>
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/rsgroup/RSGroupAdminServer.html#moveMaxRetry">moveMaxRetry</a></span> - Variable in class org.apache.hadoop.hbase.rsgroup.<a href="org/apache/hadoop/hbase/rsgroup/RSGroupAdminServer.html" title="class in org.apache.hadoop.hbase.rsgroup">RSGroupAdminServer</a></dt>
@@ -77579,6 +77650,14 @@
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/RegionMover.MoveWithoutAck.html#MoveWithoutAck-org.apache.hadoop.hbase.client.RegionInfo-org.apache.hadoop.hbase.ServerName-org.apache.hadoop.hbase.ServerName-java.util.List-">MoveWithoutAck(RegionInfo, ServerName, ServerName, List<RegionInfo>)</a></span> - Constructor for class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/RegionMover.MoveWithoutAck.html" title="class in org.apache.hadoop.h [...]
<dd> </dd>
+<dt><a href="org/apache/hadoop/hbase/util/MovingAverage.html" title="class in org.apache.hadoop.hbase.util"><span class="typeNameLink">MovingAverage</span></a><<a href="org/apache/hadoop/hbase/util/MovingAverage.html" title="type parameter in MovingAverage">T</a>> - Class in <a href="org/apache/hadoop/hbase/util/package-summary.html">org.apache.hadoop.hbase.util</a></dt>
+<dd>
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+ specific method, which can help us to know its performance fluctuation in response to different
+ machine states or situations, better case, then to act accordingly.</div>
+</dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/MovingAverage.html#MovingAverage--">MovingAverage()</a></span> - Constructor for class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/MovingAverage.html" title="class in org.apache.hadoop.hbase.util">MovingAverage</a></dt>
+<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/master/HMaster.html#mpmHost">mpmHost</a></span> - Variable in class org.apache.hadoop.hbase.master.<a href="org/apache/hadoop/hbase/master/HMaster.html" title="class in org.apache.hadoop.hbase.master">HMaster</a></dt>
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/snapshot/ExportSnapshot.html#MR_NUM_MAPS">MR_NUM_MAPS</a></span> - Static variable in class org.apache.hadoop.hbase.snapshot.<a href="org/apache/hadoop/hbase/snapshot/ExportSnapshot.html" title="class in org.apache.hadoop.hbase.snapshot">ExportSnapshot</a></dt>
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<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/procedure2/OnePhaseProcedure.html#OnePhaseProcedure--">OnePhaseProcedure()</a></span> - Constructor for class org.apache.hadoop.hbase.procedure2.<a href="org/apache/hadoop/hbase/procedure2/OnePhaseProcedure.html" title="class in org.apache.hadoop.hbase.procedure2">OnePhaseProcedure</a></dt>
<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html#oneRound">oneRound</a></span> - Variable in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html" title="class in org.apache.hadoop.hbase.util">WindowMovingAverage</a></dt>
+<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/AsyncMetaTableAccessor.MetaTableScanResultConsumer.html#onError-java.lang.Throwable-">onError(Throwable)</a></span> - Method in class org.apache.hadoop.hbase.<a href="org/apache/hadoop/hbase/AsyncMetaTableAccessor.MetaTableScanResultConsumer.html" title="class in org.apache.hadoop.hbase">AsyncMetaTableAccessor.MetaTableScanResultConsumer</a></dt>
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/client/AsyncBatchRpcRetryingCaller.html#onError-java.util.Map-int-java.lang.Throwable-org.apache.hadoop.hbase.ServerName-">onError(Map<byte[], AsyncBatchRpcRetryingCaller.RegionRequest>, int, Throwable, ServerName)</a></span> - Method in class org.apache.hadoop.hbase.client.<a href="org/apache/hadoop/hbase/client/AsyncBatchRpcRetryingCaller.html" title="class in org.apache.hadoop.hbase.client">AsyncBatchRpcRetryingCa [...]
@@ -87357,6 +87438,8 @@ service.</div>
<dd>
<div class="block">RegionInfo from previous row.</div>
</dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/ExponentialMovingAverage.html#previousAverage">previousAverage</a></span> - Variable in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/ExponentialMovingAverage.html" title="class in org.apache.hadoop.hbase.util">ExponentialMovingAverage</a></dt>
+<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/hbtop/mode/RequestCountPerSecond.html#previousFilteredReadRequestCount">previousFilteredReadRequestCount</a></span> - Variable in class org.apache.hadoop.hbase.hbtop.mode.<a href="org/apache/hadoop/hbase/hbtop/mode/RequestCountPerSecond.html" title="class in org.apache.hadoop.hbase.hbtop.mode">RequestCountPerSecond</a></dt>
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/KeyValueUtil.html#previousKey-org.apache.hadoop.hbase.KeyValue-">previousKey(KeyValue)</a></span> - Static method in class org.apache.hadoop.hbase.<a href="org/apache/hadoop/hbase/KeyValueUtil.html" title="class in org.apache.hadoop.hbase">KeyValueUtil</a></dt>
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<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/regionserver/MemStoreCompactionStrategy.html#simpleMergeOrFlatten-org.apache.hadoop.hbase.regionserver.VersionedSegmentsList-java.lang.String-">simpleMergeOrFlatten(VersionedSegmentsList, String)</a></span> - Method in class org.apache.hadoop.hbase.regionserver.<a href="org/apache/hadoop/hbase/regionserver/MemStoreCompactionStrategy.html" title="class in org.apache.hadoop.hbase.regionserver">MemStoreCompactionStrategy</a></dt>
<dd> </dd>
+<dt><a href="org/apache/hadoop/hbase/util/SimpleMovingAverage.html" title="class in org.apache.hadoop.hbase.util"><span class="typeNameLink">SimpleMovingAverage</span></a> - Class in <a href="org/apache/hadoop/hbase/util/package-summary.html">org.apache.hadoop.hbase.util</a></dt>
+<dd>
+<div class="block">SMA measure the overall average execution time of a specific method.</div>
+</dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/SimpleMovingAverage.html#SimpleMovingAverage--">SimpleMovingAverage()</a></span> - Constructor for class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/SimpleMovingAverage.html" title="class in org.apache.hadoop.hbase.util">SimpleMovingAverage</a></dt>
+<dd> </dd>
<dt><a href="org/apache/hadoop/hbase/util/SimpleMutableByteRange.html" title="class in org.apache.hadoop.hbase.util"><span class="typeNameLink">SimpleMutableByteRange</span></a> - Class in <a href="org/apache/hadoop/hbase/util/package-summary.html">org.apache.hadoop.hbase.util</a></dt>
<dd>
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<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/JvmPauseMonitor.html#start--">start()</a></span> - Method in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/JvmPauseMonitor.html" title="class in org.apache.hadoop.hbase.util">JvmPauseMonitor</a></dt>
<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/MovingAverage.html#start--">start()</a></span> - Method in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/MovingAverage.html" title="class in org.apache.hadoop.hbase.util">MovingAverage</a></dt>
+<dd>
+<div class="block">Mark start time of an execution.</div>
+</dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/zookeeper/MasterMaintenanceModeTracker.html#start--">start()</a></span> - Method in class org.apache.hadoop.hbase.zookeeper.<a href="org/apache/hadoop/hbase/zookeeper/MasterMaintenanceModeTracker.html" title="class in org.apache.hadoop.hbase.zookeeper">MasterMaintenanceModeTracker</a></dt>
<dd>
<div class="block">Starts the tracking of whether master is in Maintenance Mode.</div>
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<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/MovingAverage.html#stop-long-">stop(long)</a></span> - Method in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/MovingAverage.html" title="class in org.apache.hadoop.hbase.util">MovingAverage</a></dt>
+<dd>
+<div class="block">Mark end time of an execution, and return its interval.</div>
+</dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/zookeeper/ZKNodeTracker.html#stop--">stop()</a></span> - Method in class org.apache.hadoop.hbase.zookeeper.<a href="org/apache/hadoop/hbase/zookeeper/ZKNodeTracker.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKNodeTracker</a></dt>
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/metrics2/impl/JmxCacheBuster.html#stop--">stop()</a></span> - Static method in class org.apache.hadoop.metrics2.impl.<a href="org/apache/hadoop/metrics2/impl/JmxCacheBuster.html" title="class in org.apache.hadoop.metrics2.impl">JmxCacheBuster</a></dt>
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<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/ByteBufferArray.BufferIterator.html#sum">sum</a></span> - Variable in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/ByteBufferArray.BufferIterator.html" title="class in org.apache.hadoop.hbase.util">ByteBufferArray.BufferIterator</a></dt>
<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html#sum-int-">sum(int)</a></span> - Method in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/WindowMovingAverage.html" title="class in org.apache.hadoop.hbase.util">WindowMovingAverage</a></dt>
+<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/client/coprocessor/AsyncAggregationClient.html#sumByRegion-org.apache.hadoop.hbase.client.AsyncTable-org.apache.hadoop.hbase.coprocessor.ColumnInterpreter-org.apache.hadoop.hbase.client.Scan-">sumByRegion(AsyncTable<?>, ColumnInterpreter<R, S, P, Q, T>, Scan)</a></span> - Static method in class org.apache.hadoop.hbase.client.coprocessor.<a href="org/apache/hadoop/hbase/client/coprocessor/AsyncAggregationClient. [...]
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/HBaseFsck.PrintingErrorReporter.html#summarize--">summarize()</a></span> - Method in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/HBaseFsck.PrintingErrorReporter.html" title="class in org.apache.hadoop.hbase.util">HBaseFsck.PrintingErrorReporter</a></dt>
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<dd> </dd>
+<dt><a href="org/apache/hadoop/hbase/util/TimeMeasurable.html" title="interface in org.apache.hadoop.hbase.util"><span class="typeNameLink">TimeMeasurable</span></a><<a href="org/apache/hadoop/hbase/util/TimeMeasurable.html" title="type parameter in TimeMeasurable">T</a>> - Interface in <a href="org/apache/hadoop/hbase/util/package-summary.html">org.apache.hadoop.hbase.util</a></dt>
+<dd>
+<div class="block">Methods that implement this interface can be measured elapsed time.</div>
+</dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/ScheduledChore.html#timeMeasurement">timeMeasurement</a></span> - Variable in class org.apache.hadoop.hbase.<a href="org/apache/hadoop/hbase/ScheduledChore.html" title="class in org.apache.hadoop.hbase">ScheduledChore</a></dt>
+<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/client/FailureInfo.html#timeOfFirstFailureMilliSec">timeOfFirstFailureMilliSec</a></span> - Variable in class org.apache.hadoop.hbase.client.<a href="org/apache/hadoop/hbase/client/FailureInfo.html" title="class in org.apache.hadoop.hbase.client">FailureInfo</a></dt>
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/exceptions/PreemptiveFastFailException.html#timeOfFirstFailureMilliSec">timeOfFirstFailureMilliSec</a></span> - Variable in exception org.apache.hadoop.hbase.exceptions.<a href="org/apache/hadoop/hbase/exceptions/PreemptiveFastFailException.html" title="class in org.apache.hadoop.hbase.exceptions">PreemptiveFastFailException</a></dt>
@@ -121518,6 +121623,16 @@ service.</div>
<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/regionserver/HMobStore.html#updateMobScanCellsSize-long-">updateMobScanCellsSize(long)</a></span> - Method in class org.apache.hadoop.hbase.regionserver.<a href="org/apache/hadoop/hbase/regionserver/HMobStore.html" title="class in org.apache.hadoop.hbase.regionserver">HMobStore</a></dt>
<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/ExponentialMovingAverage.html#updateMostRecentTime-long-">updateMostRecentTime(long)</a></span> - Method in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/ExponentialMovingAverage.html" title="class in org.apache.hadoop.hbase.util">ExponentialMovingAverage</a></dt>
+<dd> </dd>
+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/MovingAverage.html#updateMostRecentTime-long-">updateMostRecentTime(long)</a></span> - Method in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/MovingAverage.html" title="class in org.apache.hadoop.hbase.util">MovingAverage</a></dt>
+<dd>
+<div class="block">Update the most recent data.</div>
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+<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/SimpleMovingAverage.html#updateMostRecentTime-long-">updateMostRecentTime(long)</a></span> - Method in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/SimpleMovingAverage.html" title="class in org.apache.hadoop.hbase.util">SimpleMovingAverage</a></dt>
+<dd> </dd>
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+<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/regionserver/RSRpcServices.html#updateMutationMetrics-org.apache.hadoop.hbase.regionserver.HRegion-long-boolean-boolean-">updateMutationMetrics(HRegion, long, boolean, boolean)</a></span> - Method in class org.apache.hadoop.hbase.regionserver.<a href="org/apache/hadoop/hbase/regionserver/RSRpcServices.html" title="class in org.apache.hadoop.hbase.regionserver">RSRpcServices</a></dt>
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<dd> </dd>
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+<dd>
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+ weight.</div>
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+<dd> </dd>
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+<dd> </dd>
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<dd>
<div class="block">How big a range of timestamps fit inside the window in milliseconds.</div>
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+<dd>
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+</dd>
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+<dd> </dd>
<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/util/FSUtils.html#WINDOWS">WINDOWS</a></span> - Static variable in class org.apache.hadoop.hbase.util.<a href="org/apache/hadoop/hbase/util/FSUtils.html" title="class in org.apache.hadoop.hbase.util">FSUtils</a></dt>
<dd>
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