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| <div class="subTitle">org.apache.hadoop.hbase.ipc</div> |
| <h2 title="Class MasterFifoRpcScheduler" class="title">Class MasterFifoRpcScheduler</h2> |
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| <li><a href="../../../../../org/apache/hadoop/hbase/ipc/RpcScheduler.html" title="class in org.apache.hadoop.hbase.ipc">org.apache.hadoop.hbase.ipc.RpcScheduler</a></li> |
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| <li><a href="../../../../../org/apache/hadoop/hbase/ipc/FifoRpcScheduler.html" title="class in org.apache.hadoop.hbase.ipc">org.apache.hadoop.hbase.ipc.FifoRpcScheduler</a></li> |
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| <li>org.apache.hadoop.hbase.ipc.MasterFifoRpcScheduler</li> |
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| <pre>@InterfaceAudience.Private |
| @InterfaceStability.Evolving |
| public class <a href="../../../../../src-html/org/apache/hadoop/hbase/ipc/MasterFifoRpcScheduler.html#line.43">MasterFifoRpcScheduler</a> |
| extends <a href="../../../../../org/apache/hadoop/hbase/ipc/FifoRpcScheduler.html" title="class in org.apache.hadoop.hbase.ipc">FifoRpcScheduler</a></pre> |
| <div class="block">A special RpcScheduler} only used for master. This scheduler separates RegionServerReport |
| requests to independent handlers to avoid these requests block other requests. To use this |
| scheduler, please set "hbase.master.rpc.scheduler.factory.class" to |
| "org.apache.hadoop.hbase.ipc.MasterFifoRpcScheduler".</div> |
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| <h3>Nested classes/interfaces inherited from class org.apache.hadoop.hbase.ipc.<a href="../../../../../org/apache/hadoop/hbase/ipc/RpcScheduler.html" title="class in org.apache.hadoop.hbase.ipc">RpcScheduler</a></h3> |
| <code><a href="../../../../../org/apache/hadoop/hbase/ipc/RpcScheduler.Context.html" title="class in org.apache.hadoop.hbase.ipc">RpcScheduler.Context</a></code></li> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
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| <td class="colFirst"><code>private static org.slf4j.Logger</code></td> |
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| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/ipc/MasterFifoRpcScheduler.html#MASTER_SERVER_REPORT_HANDLER_COUNT">MASTER_SERVER_REPORT_HANDLER_COUNT</a></span></code> |
| <div class="block">Set RSReport requests handlers count when masters use MasterFifoRpcScheduler.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private 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/ipc/MasterFifoRpcScheduler.html#REGION_SERVER_REPORT">REGION_SERVER_REPORT</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ThreadPoolExecutor.html?is-external=true" title="class or interface in java.util.concurrent">ThreadPoolExecutor</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/ipc/MasterFifoRpcScheduler.html#rsReportExecutor">rsReportExecutor</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/ipc/MasterFifoRpcScheduler.html#rsReportHandlerCount">rsReportHandlerCount</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/util/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/ipc/MasterFifoRpcScheduler.html#rsReportQueueSize">rsReportQueueSize</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/ipc/MasterFifoRpcScheduler.html#rsRsreportMaxQueueLength">rsRsreportMaxQueueLength</a></span></code> </td> |
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| <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/ipc/MasterFifoRpcScheduler.html#MasterFifoRpcScheduler-org.apache.hadoop.conf.Configuration-int-int-">MasterFifoRpcScheduler</a></span>(org.apache.hadoop.conf.Configuration conf, |
| int callHandlerCount, |
| int rsReportHandlerCount)</code> </td> |
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| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
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| <th class="colLast" scope="col">Method and Description</th> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/ipc/MasterFifoRpcScheduler.html#dispatch-org.apache.hadoop.hbase.ipc.CallRunner-">dispatch</a></span>(<a href="../../../../../org/apache/hadoop/hbase/ipc/CallRunner.html" title="class in org.apache.hadoop.hbase.ipc">CallRunner</a> task)</code> |
| <div class="block">Dispatches an RPC request asynchronously.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/ipc/MasterFifoRpcScheduler.html#getActiveRpcHandlerCount--">getActiveRpcHandlerCount</a></span>()</code> |
| <div class="block">Retrieves the total number of active handler.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/ipc/CallQueueInfo.html" title="class in org.apache.hadoop.hbase.ipc">CallQueueInfo</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/ipc/MasterFifoRpcScheduler.html#getCallQueueInfo--">getCallQueueInfo</a></span>()</code> |
| <div class="block">Get call queue information</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/ipc/MasterFifoRpcScheduler.html#getGeneralQueueLength--">getGeneralQueueLength</a></span>()</code> |
| <div class="block">Retrieves length of the general queue for metrics.</div> |
| </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/ipc/MasterFifoRpcScheduler.html#start--">start</a></span>()</code> |
| <div class="block">Prepares for request serving.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/ipc/MasterFifoRpcScheduler.html#stop--">stop</a></span>()</code> |
| <div class="block">Stops serving new requests.</div> |
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| <h3>Methods inherited from class org.apache.hadoop.hbase.ipc.<a href="../../../../../org/apache/hadoop/hbase/ipc/FifoRpcScheduler.html" title="class in org.apache.hadoop.hbase.ipc">FifoRpcScheduler</a></h3> |
| <code><a href="../../../../../org/apache/hadoop/hbase/ipc/FifoRpcScheduler.html#executeRpcCall-java.util.concurrent.ThreadPoolExecutor-java.util.concurrent.atomic.AtomicInteger-org.apache.hadoop.hbase.ipc.CallRunner-">executeRpcCall</a>, <a href="../../../../../org/apache/hadoop/hbase/ipc/FifoRpcScheduler.html#getActiveGeneralRpcHandlerCount--">getActiveGeneralRpcHandlerCount</a>, <a href="../../../../../org/apache/hadoop/hbase/ipc/FifoRpcScheduler.html#getActiveMetaPriorityRpcHandlerCount--">getActiveMetaPriorityRpcHandlerCount</a>, <a href="../../../../../org/apache/hadoop/hbase/ipc/FifoRpcScheduler.html#getActivePriorityRpcHandlerCount--">getActivePriorityRpcHandlerCount</a>, <a href="../../../../../org/apache/hadoop/hbase/ipc/FifoRpcScheduler.html#getActiveReadRpcHandlerCount--">getActiveReadRpcHandlerCount</a>, <a href="../../../../../org/apache/hadoop/hbase/ipc/FifoRpcScheduler.html#getActiveReplicationRpcHandlerCount--">getActiveReplicationRpcHandlerCount</a>, <a href="../../../../../org/apache/hadoop/hbase/ipc/FifoRpcScheduler.html#getActiveScanRpcHandlerCount--">getActiveScanRpcHandlerCount</a>, <a href="../../../../../org/apache/hadoop/hbase/ipc/FifoRpcScheduler.html#getActiveWriteRpcHandlerCount--">getActiveWriteRpcHandlerCount</a>, <a href="../../../../../org/apache/hadoop/hbase/ipc/FifoRpcScheduler.html#getCallMethod-org.apache.hadoop.hbase.ipc.CallRunner-">getCallMethod</a>, <a href="../../../../../org/apache/hadoop/hbase/ipc/FifoRpcScheduler.html#getMetaPriorityQueueLength--">getMetaPriorityQueueLength</a>, <a href="../../../../../org/apache/hadoop/hbase/ipc/FifoRpcScheduler.html#getNumGeneralCallsDropped--">getNumGeneralCallsDropped</a>, <a href="../../../../../org/apache/hadoop/hbase/ipc/FifoRpcScheduler.html#getNumLifoModeSwitches--">getNumLifoModeSwitches</a>, <a href="../../../../../org/apache/hadoop/hbase/ipc/FifoRpcScheduler.html#getPriorityQueueLength--">getPriorityQueueLength</a>, <a href="../../../../../org/apache/hadoop/hbase/ipc/FifoRpcScheduler.html#getReadQueueLength--">getReadQueueLength</a>, <a href="../../../../../org/apache/hadoop/hbase/ipc/FifoRpcScheduler.html#getReplicationQueueLength--">getReplicationQueueLength</a>, <a href="../../../../../org/apache/hadoop/hbase/ipc/FifoRpcScheduler.html#getScanQueueLength--">getScanQueueLength</a>, <a href="../../../../../org/apache/hadoop/hbase/ipc/FifoRpcScheduler.html#getWriteQueueLength--">getWriteQueueLength</a>, <a href="../../../../../org/apache/hadoop/hbase/ipc/FifoRpcScheduler.html#init-org.apache.hadoop.hbase.ipc.RpcScheduler.Context-">init</a>, <a href="../../../../../org/apache/hadoop/hbase/ipc/FifoRpcScheduler.html#updateMethodCountAndSizeByQueue-java.util.concurrent.BlockingQueue-java.util.HashMap-java.util.HashMap-">updateMethodCountAndSizeByQueue</a></code></li> |
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| <h4>LOG</h4> |
| <pre>private static final org.slf4j.Logger <a href="../../../../../src-html/org/apache/hadoop/hbase/ipc/MasterFifoRpcScheduler.html#line.44">LOG</a></pre> |
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| <h4>MASTER_SERVER_REPORT_HANDLER_COUNT</h4> |
| <pre>public static final <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> <a href="../../../../../src-html/org/apache/hadoop/hbase/ipc/MasterFifoRpcScheduler.html#line.51">MASTER_SERVER_REPORT_HANDLER_COUNT</a></pre> |
| <div class="block">Set RSReport requests handlers count when masters use MasterFifoRpcScheduler. The default value |
| is half of "hbase.regionserver.handler.count" value, but at least 1. The other handlers count |
| is "hbase.regionserver.handler.count" value minus RSReport handlers count, but at least 1 too.</div> |
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| <div class="block">Prepares for request serving. An implementation may start some handler threads here.</div> |
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| <div class="block">Stops serving new requests.</div> |
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| <div class="block">Dispatches an RPC request asynchronously. An implementation is free to choose to process the |
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| <div class="block">Retrieves the total number of active handler.</div> |
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| <div class="block">Get call queue information</div> |
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