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| <h2 title="Class SimpleRequestController.TaskCountChecker" class="title">Class SimpleRequestController.TaskCountChecker</h2> |
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| <pre>static class <a href="../../../../../src-html/org/apache/hadoop/hbase/client/SimpleRequestController.html#line.357">SimpleRequestController.TaskCountChecker</a> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> |
| implements <a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.RowChecker.html" title="interface in org.apache.hadoop.hbase.client">SimpleRequestController.RowChecker</a></pre> |
| <div class="block">limit the max number of tasks in an AsyncProcess.</div> |
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| <h3>Field Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation"> |
| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a><byte[]></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.TaskCountChecker.html#busyRegions">busyRegions</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private static long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.TaskCountChecker.html#MAX_WAITING_TIME">MAX_WAITING_TIME</a></span></code> </td> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>private int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.TaskCountChecker.html#maxConcurrentTasksPerRegion">maxConcurrentTasksPerRegion</a></span></code> </td> |
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| <tr class="rowColor"> |
| <td class="colFirst"><code>private int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.TaskCountChecker.html#maxConcurrentTasksPerServer">maxConcurrentTasksPerServer</a></span></code> </td> |
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| <td class="colFirst"><code>private int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.TaskCountChecker.html#maxTotalConcurrentTasks">maxTotalConcurrentTasks</a></span></code> </td> |
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| <tr class="rowColor"> |
| <td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a><<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>></code></td> |
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| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.TaskCountChecker.html#serversIncluded">serversIncluded</a></span></code> </td> |
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| <td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><byte[],<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicInteger.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicInteger</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.TaskCountChecker.html#taskCounterPerRegion">taskCounterPerRegion</a></span></code> </td> |
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| <td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicInteger.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicInteger</a>></code></td> |
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| <td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicLong.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicLong</a></code></td> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.TaskCountChecker.html#TaskCountChecker-int-int-int-java.util.concurrent.atomic.AtomicLong-java.util.Map-java.util.Map-">TaskCountChecker</a></span>(int maxTotalConcurrentTasks, |
| int maxConcurrentTasksPerServer, |
| int maxConcurrentTasksPerRegion, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicLong.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicLong</a> tasksInProgress, |
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| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><byte[],<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicInteger.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicInteger</a>> taskCounterPerRegion)</code> </td> |
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| <h3>Method Summary</h3> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
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| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/client/RequestController.ReturnCode.html" title="enum in org.apache.hadoop.hbase.client">RequestController.ReturnCode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.TaskCountChecker.html#canTakeOperation-org.apache.hadoop.hbase.HRegionLocation-long-">canTakeOperation</a></span>(<a href="../../../../../org/apache/hadoop/hbase/HRegionLocation.html" title="class in org.apache.hadoop.hbase">HRegionLocation</a> loc, |
| long heapSizeOfRow)</code> |
| <div class="block">1) check the regions is allowed.</div> |
| </td> |
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| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.TaskCountChecker.html#notifyFinal-org.apache.hadoop.hbase.client.RequestController.ReturnCode-org.apache.hadoop.hbase.HRegionLocation-long-">notifyFinal</a></span>(<a href="../../../../../org/apache/hadoop/hbase/client/RequestController.ReturnCode.html" title="enum in org.apache.hadoop.hbase.client">RequestController.ReturnCode</a> code, |
| <a href="../../../../../org/apache/hadoop/hbase/HRegionLocation.html" title="class in org.apache.hadoop.hbase">HRegionLocation</a> loc, |
| long heapSizeOfRow)</code> |
| <div class="block">Add the final ReturnCode to the checker.</div> |
| </td> |
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| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.TaskCountChecker.html#reset--">reset</a></span>()</code> |
| <div class="block">Reset the inner state.</div> |
| </td> |
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| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>private void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.TaskCountChecker.html#waitForRegion--">waitForRegion</a></span>()</code> </td> |
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| <a name="tasksInProgress"> |
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| </a> |
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| <h4>tasksInProgress</h4> |
| <pre>private final <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicLong.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicLong</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/client/SimpleRequestController.TaskCountChecker.html#line.368">tasksInProgress</a></pre> |
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| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
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| <h3>Constructor Detail</h3> |
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| <h4>TaskCountChecker</h4> |
| <pre><a href="../../../../../src-html/org/apache/hadoop/hbase/client/SimpleRequestController.TaskCountChecker.html#line.370">TaskCountChecker</a>(int maxTotalConcurrentTasks, |
| int maxConcurrentTasksPerServer, |
| int maxConcurrentTasksPerRegion, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicLong.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicLong</a> tasksInProgress, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicInteger.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicInteger</a>> taskCounterPerServer, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><byte[],<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicInteger.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicInteger</a>> taskCounterPerRegion)</pre> |
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| <h3>Method Detail</h3> |
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| <h4>reset</h4> |
| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/client/SimpleRequestController.TaskCountChecker.html#line.385">reset</a>() |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/InterruptedIOException.html?is-external=true" title="class or interface in java.io">InterruptedIOException</a></pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.RowChecker.html#reset--">SimpleRequestController.RowChecker</a></code></span></div> |
| <div class="block">Reset the inner state.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.RowChecker.html#reset--">reset</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.RowChecker.html" title="interface in org.apache.hadoop.hbase.client">SimpleRequestController.RowChecker</a></code></dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/InterruptedIOException.html?is-external=true" title="class or interface in java.io">InterruptedIOException</a></code></dd> |
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| <h4>waitForRegion</h4> |
| <pre>private void <a href="../../../../../src-html/org/apache/hadoop/hbase/client/SimpleRequestController.TaskCountChecker.html#line.393">waitForRegion</a>() |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/InterruptedIOException.html?is-external=true" title="class or interface in java.io">InterruptedIOException</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/InterruptedIOException.html?is-external=true" title="class or interface in java.io">InterruptedIOException</a></code></dd> |
| </dl> |
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| <a name="canTakeOperation-org.apache.hadoop.hbase.HRegionLocation-long-"> |
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| <h4>canTakeOperation</h4> |
| <pre>public <a href="../../../../../org/apache/hadoop/hbase/client/RequestController.ReturnCode.html" title="enum in org.apache.hadoop.hbase.client">RequestController.ReturnCode</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/client/SimpleRequestController.TaskCountChecker.html#line.428">canTakeOperation</a>(<a href="../../../../../org/apache/hadoop/hbase/HRegionLocation.html" title="class in org.apache.hadoop.hbase">HRegionLocation</a> loc, |
| long heapSizeOfRow)</pre> |
| <div class="block">1) check the regions is allowed. 2) check the concurrent tasks for |
| regions. 3) check the total concurrent tasks. 4) check the concurrent |
| tasks for server.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.RowChecker.html#canTakeOperation-org.apache.hadoop.hbase.HRegionLocation-long-">canTakeOperation</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.RowChecker.html" title="interface in org.apache.hadoop.hbase.client">SimpleRequestController.RowChecker</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>loc</code> - the destination of data</dd> |
| <dd><code>heapSizeOfRow</code> - the data size</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>either Include <a href="../../../../../org/apache/hadoop/hbase/client/RequestController.ReturnCode.html" title="enum in org.apache.hadoop.hbase.client"><code>RequestController.ReturnCode</code></a> or skip |
| <a href="../../../../../org/apache/hadoop/hbase/client/RequestController.ReturnCode.html" title="enum in org.apache.hadoop.hbase.client"><code>RequestController.ReturnCode</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="notifyFinal-org.apache.hadoop.hbase.client.RequestController.ReturnCode-org.apache.hadoop.hbase.HRegionLocation-long-"> |
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| <h4>notifyFinal</h4> |
| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/client/SimpleRequestController.TaskCountChecker.html#line.454">notifyFinal</a>(<a href="../../../../../org/apache/hadoop/hbase/client/RequestController.ReturnCode.html" title="enum in org.apache.hadoop.hbase.client">RequestController.ReturnCode</a> code, |
| <a href="../../../../../org/apache/hadoop/hbase/HRegionLocation.html" title="class in org.apache.hadoop.hbase">HRegionLocation</a> loc, |
| long heapSizeOfRow)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.RowChecker.html#notifyFinal-org.apache.hadoop.hbase.client.RequestController.ReturnCode-org.apache.hadoop.hbase.HRegionLocation-long-">SimpleRequestController.RowChecker</a></code></span></div> |
| <div class="block">Add the final ReturnCode to the checker. The ReturnCode may be reversed, |
| so the checker need the final decision to update the inner state.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.RowChecker.html#notifyFinal-org.apache.hadoop.hbase.client.RequestController.ReturnCode-org.apache.hadoop.hbase.HRegionLocation-long-">notifyFinal</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.RowChecker.html" title="interface in org.apache.hadoop.hbase.client">SimpleRequestController.RowChecker</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>code</code> - The final decision</dd> |
| <dd><code>loc</code> - the destination of data</dd> |
| <dd><code>heapSizeOfRow</code> - the data size</dd> |
| </dl> |
| </li> |
| </ul> |
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