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| <div class="subTitle">org.apache.hadoop.hbase.client</div> |
| <h2 title="Class SimpleRequestController" class="title">Class SimpleRequestController</h2> |
| </div> |
| <div class="contentContainer"> |
| <ul class="inheritance"> |
| <li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li> |
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| <li>org.apache.hadoop.hbase.client.SimpleRequestController</li> |
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| <br> |
| <pre>@InterfaceAudience.Private |
| @InterfaceStability.Evolving |
| class <a href="../../../../../src-html/org/apache/hadoop/hbase/client/SimpleRequestController.html#line.55">SimpleRequestController</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/RequestController.html" title="interface in org.apache.hadoop.hbase.client">RequestController</a></pre> |
| <div class="block">Holds back the requests if they reach any thresholds.</div> |
| </li> |
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| <caption><span>Nested Classes</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> |
| <tr class="altColor"> |
| <td class="colFirst"><code>(package private) static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.RequestHeapSizeChecker.html" title="class in org.apache.hadoop.hbase.client">SimpleRequestController.RequestHeapSizeChecker</a></span></code> |
| <div class="block">limit the heap size for each request.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>(package private) static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.RequestRowsChecker.html" title="class in org.apache.hadoop.hbase.client">SimpleRequestController.RequestRowsChecker</a></span></code> |
| <div class="block">limit the number of rows for each request.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>(package private) static interface </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.RowChecker.html" title="interface in org.apache.hadoop.hbase.client">SimpleRequestController.RowChecker</a></span></code> |
| <div class="block">Provide a way to control the flow of rows iteration.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>(package private) static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.SubmittedSizeChecker.html" title="class in org.apache.hadoop.hbase.client">SimpleRequestController.SubmittedSizeChecker</a></span></code> |
| <div class="block">limit the heapsize of total submitted data.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>(package private) static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.TaskCountChecker.html" title="class in org.apache.hadoop.hbase.client">SimpleRequestController.TaskCountChecker</a></span></code> |
| <div class="block">limit the max number of tasks in an AsyncProcess.</div> |
| </td> |
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| </a> |
| <h3>Nested classes/interfaces inherited from 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></h3> |
| <code><a href="../../../../../org/apache/hadoop/hbase/client/RequestController.Checker.html" title="interface in org.apache.hadoop.hbase.client">RequestController.Checker</a>, <a href="../../../../../org/apache/hadoop/hbase/client/RequestController.ReturnCode.html" title="enum in org.apache.hadoop.hbase.client">RequestController.ReturnCode</a></code></li> |
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| </li> |
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| <!-- =========== FIELD SUMMARY =========== --> |
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| </a> |
| <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>(package private) static long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.html#DEFAULT_HBASE_CLIENT_MAX_PERREQUEST_HEAPSIZE">DEFAULT_HBASE_CLIENT_MAX_PERREQUEST_HEAPSIZE</a></span></code> |
| <div class="block">Default value of <a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.html#HBASE_CLIENT_MAX_PERREQUEST_HEAPSIZE"><code>HBASE_CLIENT_MAX_PERREQUEST_HEAPSIZE</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>(package private) static long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.html#DEFAULT_HBASE_CLIENT_MAX_PERREQUEST_ROWS">DEFAULT_HBASE_CLIENT_MAX_PERREQUEST_ROWS</a></span></code> |
| <div class="block">Default value of <a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.html#HBASE_CLIENT_MAX_PERREQUEST_ROWS"><code>HBASE_CLIENT_MAX_PERREQUEST_ROWS</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>(package private) static long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.html#DEFAULT_HBASE_CLIENT_MAX_SUBMIT_HEAPSIZE">DEFAULT_HBASE_CLIENT_MAX_SUBMIT_HEAPSIZE</a></span></code> |
| <div class="block">Default value of <a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.html#HBASE_CLIENT_MAX_SUBMIT_HEAPSIZE"><code>HBASE_CLIENT_MAX_SUBMIT_HEAPSIZE</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.html#DEFAULT_THRESHOLD_TO_LOG_REGION_DETAILS">DEFAULT_THRESHOLD_TO_LOG_REGION_DETAILS</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.html#DEFAULT_THRESHOLD_TO_LOG_UNDONE_TASK_DETAILS">DEFAULT_THRESHOLD_TO_LOG_UNDONE_TASK_DETAILS</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.html#HBASE_CLIENT_MAX_PERREQUEST_HEAPSIZE">HBASE_CLIENT_MAX_PERREQUEST_HEAPSIZE</a></span></code> |
| <div class="block">The maximum heap size for each request.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.html#HBASE_CLIENT_MAX_PERREQUEST_ROWS">HBASE_CLIENT_MAX_PERREQUEST_ROWS</a></span></code> |
| <div class="block">The maximum number of rows for each request.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.html#HBASE_CLIENT_MAX_SUBMIT_HEAPSIZE">HBASE_CLIENT_MAX_SUBMIT_HEAPSIZE</a></span></code> |
| <div class="block">The maximum size of submit.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private static org.slf4j.Logger</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.html#LOG">LOG</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>(package private) int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.html#maxConcurrentTasksPerRegion">maxConcurrentTasksPerRegion</a></span></code> |
| <div class="block">The number of tasks we run in parallel on a single region.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>(package private) int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.html#maxConcurrentTasksPerServer">maxConcurrentTasksPerServer</a></span></code> |
| <div class="block">The number of task simultaneously executed on a single region server.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.html#maxHeapSizePerRequest">maxHeapSizePerRequest</a></span></code> |
| <div class="block">The maximum heap size for each request.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.html#maxHeapSizeSubmit">maxHeapSizeSubmit</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.html#maxRowsPerRequest">maxRowsPerRequest</a></span></code> |
| <div class="block">The maximum number of rows for each request.</div> |
| </td> |
| </tr> |
| <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.html#maxTotalConcurrentTasks">maxTotalConcurrentTasks</a></span></code> |
| <div class="block">The number of tasks simultaneously executed on the cluster.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>(package private) <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ConcurrentMap.html?is-external=true" title="class or interface in java.util.concurrent">ConcurrentMap</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.html#taskCounterPerRegion">taskCounterPerRegion</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>(package private) <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ConcurrentMap.html?is-external=true" title="class or interface in java.util.concurrent">ConcurrentMap</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> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.html#taskCounterPerServer">taskCounterPerServer</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>(package 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> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.html#tasksInProgress">tasksInProgress</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.html#THRESHOLD_TO_LOG_REGION_DETAILS">THRESHOLD_TO_LOG_REGION_DETAILS</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.html#THRESHOLD_TO_LOG_UNDONE_TASK_DETAILS">THRESHOLD_TO_LOG_UNDONE_TASK_DETAILS</a></span></code> </td> |
| </tr> |
| <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.html#thresholdToLogRegionDetails">thresholdToLogRegionDetails</a></span></code> </td> |
| </tr> |
| <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.html#thresholdToLogUndoneTaskDetails">thresholdToLogUndoneTaskDetails</a></span></code> </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="constructor.summary"> |
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| </a> |
| <h3>Constructor Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation"> |
| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.html#SimpleRequestController-org.apache.hadoop.conf.Configuration-">SimpleRequestController</a></span>(org.apache.hadoop.conf.Configuration conf)</code> </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| <!-- ========== METHOD SUMMARY =========== --> |
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| </a> |
| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>private static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.html#checkAndGet-org.apache.hadoop.conf.Configuration-java.lang.String-int-">checkAndGet</a></span>(org.apache.hadoop.conf.Configuration conf, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> key, |
| int defaultValue)</code> </td> |
| </tr> |
| <tr id="i1" 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.html#checkAndGet-org.apache.hadoop.conf.Configuration-java.lang.String-long-">checkAndGet</a></span>(org.apache.hadoop.conf.Configuration conf, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> key, |
| long defaultValue)</code> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.html#decTaskCounters-java.util.Collection-org.apache.hadoop.hbase.ServerName-">decTaskCounters</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><byte[]> regions, |
| <a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a> sn)</code> |
| <div class="block">Decrement the counter if a task is accomplished.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.html#getNumberOfTasksInProgress--">getNumberOfTasksInProgress</a></span>()</code> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.html#incTaskCounters-java.util.Collection-org.apache.hadoop.hbase.ServerName-">incTaskCounters</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><byte[]> regions, |
| <a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a> sn)</code> |
| <div class="block">Increment the counter if we build a valid task.</div> |
| </td> |
| </tr> |
| <tr id="i5" 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.html#logDetailsOfUndoneTasks-long-">logDetailsOfUndoneTasks</a></span>(long taskInProgress)</code> </td> |
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| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/client/RequestController.Checker.html" title="interface in org.apache.hadoop.hbase.client">RequestController.Checker</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.html#newChecker--">newChecker</a></span>()</code> </td> |
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| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>(package private) static <a href="../../../../../org/apache/hadoop/hbase/client/RequestController.Checker.html" title="interface in org.apache.hadoop.hbase.client">RequestController.Checker</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.html#newChecker-java.util.List-">newChecker</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.RowChecker.html" title="interface in org.apache.hadoop.hbase.client">SimpleRequestController.RowChecker</a>> checkers)</code> </td> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.html#waitForFreeSlot-long-int-java.util.function.Consumer-">waitForFreeSlot</a></span>(long id, |
| int periodToTrigger, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/Consumer.html?is-external=true" title="class or interface in java.util.function">Consumer</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>> trigger)</code> |
| <div class="block">Wait until there is at least one slot for a new task.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.html#waitForMaximumCurrentTasks-long-long-int-java.util.function.Consumer-">waitForMaximumCurrentTasks</a></span>(long max, |
| long id, |
| int periodToTrigger, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/Consumer.html?is-external=true" title="class or interface in java.util.function">Consumer</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>> trigger)</code> |
| <div class="block">Waits for the running tasks to complete.</div> |
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| <div class="block">The maximum heap size for each request.</div> |
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| <div class="block">Default value of <a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.html#HBASE_CLIENT_MAX_PERREQUEST_HEAPSIZE"><code>HBASE_CLIENT_MAX_PERREQUEST_HEAPSIZE</code></a>.</div> |
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| <div class="block">The maximum number of rows for each request.</div> |
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| <div class="block">Default value of <a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.html#HBASE_CLIENT_MAX_PERREQUEST_ROWS"><code>HBASE_CLIENT_MAX_PERREQUEST_ROWS</code></a>.</div> |
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| <div class="block">The maximum size of submit.</div> |
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| <div class="block">Default value of <a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.html#HBASE_CLIENT_MAX_SUBMIT_HEAPSIZE"><code>HBASE_CLIENT_MAX_SUBMIT_HEAPSIZE</code></a>.</div> |
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| <pre>final <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ConcurrentMap.html?is-external=true" title="class or interface in java.util.concurrent">ConcurrentMap</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>> <a href="../../../../../src-html/org/apache/hadoop/hbase/client/SimpleRequestController.html#line.85">taskCounterPerRegion</a></pre> |
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| <div class="block">The number of tasks simultaneously executed on the cluster.</div> |
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| <div class="block">The maximum heap size for each request.</div> |
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| <div class="block">The maximum number of rows for each request.</div> |
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| <div class="block">The number of tasks we run in parallel on a single region. With 1 (the |
| default) , we ensure that the ordering of the queries is respected: we |
| don't start a set of operations on a region before the previous one is |
| done. As well, this limits the pressure we put on the region server.</div> |
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| <div class="block">The number of task simultaneously executed on a single region server.</div> |
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| <pre>static <a href="../../../../../org/apache/hadoop/hbase/client/RequestController.Checker.html" title="interface in org.apache.hadoop.hbase.client">RequestController.Checker</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/client/SimpleRequestController.html#line.165">newChecker</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/client/SimpleRequestController.RowChecker.html" title="interface in org.apache.hadoop.hbase.client">SimpleRequestController.RowChecker</a>> checkers)</pre> |
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| <pre>public <a href="../../../../../org/apache/hadoop/hbase/client/RequestController.Checker.html" title="interface in org.apache.hadoop.hbase.client">RequestController.Checker</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/client/SimpleRequestController.html#line.218">newChecker</a>()</pre> |
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| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/client/RequestController.html#newChecker--">newChecker</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/client/RequestController.html" title="interface in org.apache.hadoop.hbase.client">RequestController</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A new checker for evaluating a batch rows.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="incTaskCounters-java.util.Collection-org.apache.hadoop.hbase.ServerName-"> |
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| <h4>incTaskCounters</h4> |
| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/client/SimpleRequestController.html#line.233">incTaskCounters</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><byte[]> regions, |
| <a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a> sn)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/hadoop/hbase/client/RequestController.html#incTaskCounters-java.util.Collection-org.apache.hadoop.hbase.ServerName-">RequestController</a></code></span></div> |
| <div class="block">Increment the counter if we build a valid task.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/client/RequestController.html#incTaskCounters-java.util.Collection-org.apache.hadoop.hbase.ServerName-">incTaskCounters</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/client/RequestController.html" title="interface in org.apache.hadoop.hbase.client">RequestController</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>regions</code> - The destination of task</dd> |
| <dd><code>sn</code> - The target server</dd> |
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| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/client/SimpleRequestController.html#line.244">decTaskCounters</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><byte[]> regions, |
| <a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a> sn)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/hadoop/hbase/client/RequestController.html#decTaskCounters-java.util.Collection-org.apache.hadoop.hbase.ServerName-">RequestController</a></code></span></div> |
| <div class="block">Decrement the counter if a task is accomplished.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/client/RequestController.html#decTaskCounters-java.util.Collection-org.apache.hadoop.hbase.ServerName-">decTaskCounters</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/client/RequestController.html" title="interface in org.apache.hadoop.hbase.client">RequestController</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>regions</code> - The destination of task</dd> |
| <dd><code>sn</code> - The target server</dd> |
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| <h4>getNumberOfTasksInProgress</h4> |
| <pre>public long <a href="../../../../../src-html/org/apache/hadoop/hbase/client/SimpleRequestController.html#line.258">getNumberOfTasksInProgress</a>()</pre> |
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| <dd><code><a href="../../../../../org/apache/hadoop/hbase/client/RequestController.html#getNumberOfTasksInProgress--">getNumberOfTasksInProgress</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/client/RequestController.html" title="interface in org.apache.hadoop.hbase.client">RequestController</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The number of running task.</dd> |
| </dl> |
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| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/client/SimpleRequestController.html#line.263">waitForMaximumCurrentTasks</a>(long max, |
| long id, |
| int periodToTrigger, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/Consumer.html?is-external=true" title="class or interface in java.util.function">Consumer</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>> trigger) |
| 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/RequestController.html#waitForMaximumCurrentTasks-long-long-int-java.util.function.Consumer-">RequestController</a></code></span></div> |
| <div class="block">Waits for the running tasks to complete. |
| If there are specified threshold and trigger, the implementation should |
| wake up once in a while for checking the threshold and calling trigger.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/client/RequestController.html#waitForMaximumCurrentTasks-long-long-int-java.util.function.Consumer-">waitForMaximumCurrentTasks</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/client/RequestController.html" title="interface in org.apache.hadoop.hbase.client">RequestController</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>max</code> - This method will return if the number of running tasks is |
| less than or equal to max.</dd> |
| <dd><code>id</code> - the caller's id</dd> |
| <dd><code>periodToTrigger</code> - The period to invoke the trigger. This value is a |
| hint. The real period depends on the implementation.</dd> |
| <dd><code>trigger</code> - The object to call periodically.</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> - If the waiting is interrupted</dd> |
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| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/client/SimpleRequestController.html#line.316">waitForFreeSlot</a>(long id, |
| int periodToTrigger, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/Consumer.html?is-external=true" title="class or interface in java.util.function">Consumer</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>> trigger) |
| 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/RequestController.html#waitForFreeSlot-long-int-java.util.function.Consumer-">RequestController</a></code></span></div> |
| <div class="block">Wait until there is at least one slot for a new task.</div> |
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| <dd><code><a href="../../../../../org/apache/hadoop/hbase/client/RequestController.html#waitForFreeSlot-long-int-java.util.function.Consumer-">waitForFreeSlot</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/client/RequestController.html" title="interface in org.apache.hadoop.hbase.client">RequestController</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>id</code> - the caller's id</dd> |
| <dd><code>periodToTrigger</code> - The period to invoke the trigger. This value is a |
| hint. The real period depends on the implementation.</dd> |
| <dd><code>trigger</code> - The object to call periodically.</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> - If the waiting is interrupted</dd> |
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