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org.apache.hadoop.hbase.tool">Canary.RegionServerMonitor</a></span></code> </td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/tool/Canary.RegionServerMonitor.html" title="class in org.apache.hadoop.hbase.tool">Canary.RegionServerMonitor</a></span></code> +<div class="block">A monitor for regionserver mode</div> +</td> </tr> <tr class="rowColor"> <td class="colFirst"><code>static class </code></td> -<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/tool/Canary.RegionServerStdOutSink.html" title="class in org.apache.hadoop.hbase.tool">Canary.RegionServerStdOutSink</a></span></code> </td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/tool/Canary.RegionServerStdOutSink.html" title="class in org.apache.hadoop.hbase.tool">Canary.RegionServerStdOutSink</a></span></code> +<div class="block">By RegionServer, for 'regionserver' mode.</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/tool/Canary.RegionServerTask.html" title="class in org.apache.hadoop.hbase.tool">Canary.RegionServerTask</a></span></code> -<div class="block">Get one row from a region on the regionserver and outputs the latency, or the failure.</div> +<div class="block">Run a single RegionServer Task and then exit.</div> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>static class </code></td> -<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/tool/Canary.RegionStdOutSink.html" title="class in org.apache.hadoop.hbase.tool">Canary.RegionStdOutSink</a></span></code> </td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/tool/Canary.RegionStdOutSink.html" title="class in org.apache.hadoop.hbase.tool">Canary.RegionStdOutSink</a></span></code> +<div class="block">By Region, for 'region' mode.</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/tool/Canary.RegionTask.html" title="class in org.apache.hadoop.hbase.tool">Canary.RegionTask</a></span></code> -<div class="block">For each column family of the region tries to get one row and outputs the latency, or the - failure.</div> +<div class="block">Run a single Region Task and then exit.</div> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>static interface </code></td> -<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/tool/Canary.Sink.html" title="interface in org.apache.hadoop.hbase.tool">Canary.Sink</a></span></code> </td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/tool/Canary.Sink.html" title="interface in org.apache.hadoop.hbase.tool">Canary.Sink</a></span></code> +<div class="block">Sink interface used by the canary to output information</div> +</td> </tr> <tr class="altColor"> <td class="colFirst"><code>static class </code></td> -<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/tool/Canary.StdOutSink.html" title="class in org.apache.hadoop.hbase.tool">Canary.StdOutSink</a></span></code> </td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/tool/Canary.StdOutSink.html" title="class in org.apache.hadoop.hbase.tool">Canary.StdOutSink</a></span></code> +<div class="block">Simple implementation of canary sink that allows plotting to a file or standard output.</div> +</td> </tr> <tr class="rowColor"> <td class="colFirst"><code>private static class </code></td> @@ -194,11 +211,15 @@ implements org.apache.hadoop.util.Tool</pre> </tr> <tr class="altColor"> <td class="colFirst"><code>static class </code></td> -<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/tool/Canary.ZookeeperStdOutSink.html" title="class in org.apache.hadoop.hbase.tool">Canary.ZookeeperStdOutSink</a></span></code> </td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/tool/Canary.ZookeeperStdOutSink.html" title="class in org.apache.hadoop.hbase.tool">Canary.ZookeeperStdOutSink</a></span></code> +<div class="block">Output for 'zookeeper' mode.</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/tool/Canary.ZookeeperTask.html" title="class in org.apache.hadoop.hbase.tool">Canary.ZookeeperTask</a></span></code> </td> 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href="../../../../../org/apache/hadoop/hbase/tool/Canary.html#Canary--">Canary</a></span>()</code> </td> </tr> <tr class="rowColor"> +<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/tool/Canary.html#Canary-java.util.concurrent.ExecutorService-">Canary</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ExecutorService.html?is-external=true"; title="class or interface in java.util.concurrent">ExecutorService</a> executor)</code> </td> +</tr> +<tr class="altColor"> <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/tool/Canary.html#Canary-java.util.concurrent.ExecutorService-org.apache.hadoop.hbase.tool.Canary.Sink-">Canary</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ExecutorService.html?is-external=true"; title="class or interface in java.util.concurrent">ExecutorService</a> executor, <a 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or interface in java.lang">Class</a> clazz)</code> </td> +</tr> +<tr id="i3" class="rowColor"> <td class="colFirst"><code><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="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="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/tool/Canary.html#getWriteFailures--">getWriteFailures</a></span>()</code> </td> </tr> -<tr id="i3" class="rowColor"> +<tr id="i4" class="altColor"> <td class="colFirst"><code>static void</code></td> <td class="colLast"><code><span class="memberNameLink"><a 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for <a href="../../../../../org/apache/hadoop/hbase/tool/Canary.Monitor.html" title="class in org.apache.hadoop.hbase.tool"><code>Canary.Monitor</code></a>.</div> </td> </tr> -<tr id="i5" class="rowColor"> +<tr id="i6" class="altColor"> <td class="colFirst"><code>private int</code></td> <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/tool/Canary.html#parseArgs-java.lang.String:A-">parseArgs</a></span>(<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>[] args)</code> </td> </tr> -<tr id="i6" class="altColor"> +<tr id="i7" class="rowColor"> <td class="colFirst"><code>private void</code></td> <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/tool/Canary.html#printUsageAndExit--">printUsageAndExit</a></span>()</code> </td> </tr> -<tr id="i7" class="rowColor"> +<tr id="i8" class="altColor"> <td 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