http://git-wip-us.apache.org/repos/asf/hbase-site/blob/8e4e1542/devapidocs/src-html/org/apache/hadoop/hbase/tool/Canary.ExtendedSink.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/tool/Canary.ExtendedSink.html b/devapidocs/src-html/org/apache/hadoop/hbase/tool/Canary.ExtendedSink.html deleted file mode 100644 index 6de8bc5..0000000 --- a/devapidocs/src-html/org/apache/hadoop/hbase/tool/Canary.ExtendedSink.html +++ /dev/null @@ -1,1654 +0,0 @@ -<!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> *<a name="line.2"></a> -<span class="sourceLineNo">003</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.3"></a> -<span class="sourceLineNo">004</span> * or more contributor license agreements. See the NOTICE file<a name="line.4"></a> -<span class="sourceLineNo">005</span> * distributed with this work for additional information<a name="line.5"></a> -<span class="sourceLineNo">006</span> * regarding copyright ownership. The ASF licenses this file<a name="line.6"></a> -<span class="sourceLineNo">007</span> * to you under the Apache License, Version 2.0 (the<a name="line.7"></a> -<span class="sourceLineNo">008</span> * "License"); you may not use this file except in compliance<a name="line.8"></a> -<span class="sourceLineNo">009</span> * with the License. You may obtain a copy of the License at<a name="line.9"></a> -<span class="sourceLineNo">010</span> *<a name="line.10"></a> -<span class="sourceLineNo">011</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.11"></a> -<span class="sourceLineNo">012</span> *<a name="line.12"></a> -<span class="sourceLineNo">013</span> * Unless required by applicable law or agreed to in writing, software<a name="line.13"></a> -<span class="sourceLineNo">014</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.14"></a> -<span class="sourceLineNo">015</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.15"></a> -<span class="sourceLineNo">016</span> * See the License for the specific language governing permissions and<a name="line.16"></a> -<span class="sourceLineNo">017</span> * limitations under the License.<a name="line.17"></a> -<span class="sourceLineNo">018</span> */<a name="line.18"></a> -<span class="sourceLineNo">019</span><a name="line.19"></a> -<span class="sourceLineNo">020</span>package org.apache.hadoop.hbase.tool;<a name="line.20"></a> -<span class="sourceLineNo">021</span><a name="line.21"></a> -<span class="sourceLineNo">022</span>import static org.apache.hadoop.hbase.HConstants.DEFAULT_ZOOKEEPER_ZNODE_PARENT;<a name="line.22"></a> -<span class="sourceLineNo">023</span>import static org.apache.hadoop.hbase.HConstants.ZOOKEEPER_ZNODE_PARENT;<a name="line.23"></a> -<span class="sourceLineNo">024</span><a name="line.24"></a> -<span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.shaded.com.google.common.collect.Lists;<a name="line.25"></a> -<span class="sourceLineNo">026</span><a name="line.26"></a> -<span class="sourceLineNo">027</span>import java.io.Closeable;<a name="line.27"></a> -<span class="sourceLineNo">028</span>import java.io.IOException;<a name="line.28"></a> -<span class="sourceLineNo">029</span>import java.net.InetSocketAddress;<a name="line.29"></a> -<span class="sourceLineNo">030</span>import java.util.ArrayList;<a name="line.30"></a> -<span class="sourceLineNo">031</span>import java.util.Arrays;<a name="line.31"></a> -<span class="sourceLineNo">032</span>import java.util.Collections;<a name="line.32"></a> -<span class="sourceLineNo">033</span>import java.util.EnumSet;<a name="line.33"></a> -<span class="sourceLineNo">034</span>import java.util.HashMap;<a name="line.34"></a> -<span class="sourceLineNo">035</span>import java.util.HashSet;<a name="line.35"></a> -<span class="sourceLineNo">036</span>import java.util.LinkedList;<a name="line.36"></a> -<span class="sourceLineNo">037</span>import java.util.List;<a name="line.37"></a> -<span class="sourceLineNo">038</span>import java.util.Map;<a name="line.38"></a> -<span class="sourceLineNo">039</span>import java.util.Random;<a name="line.39"></a> -<span class="sourceLineNo">040</span>import java.util.Set;<a name="line.40"></a> -<span class="sourceLineNo">041</span>import java.util.TreeSet;<a name="line.41"></a> -<span class="sourceLineNo">042</span>import java.util.concurrent.Callable;<a name="line.42"></a> -<span class="sourceLineNo">043</span>import java.util.concurrent.ConcurrentHashMap;<a name="line.43"></a> -<span class="sourceLineNo">044</span>import java.util.concurrent.ExecutionException;<a name="line.44"></a> -<span class="sourceLineNo">045</span>import java.util.concurrent.ExecutorService;<a name="line.45"></a> -<span class="sourceLineNo">046</span>import java.util.concurrent.Future;<a name="line.46"></a> -<span class="sourceLineNo">047</span>import java.util.concurrent.ScheduledThreadPoolExecutor;<a name="line.47"></a> -<span class="sourceLineNo">048</span>import java.util.concurrent.atomic.AtomicLong;<a name="line.48"></a> -<span class="sourceLineNo">049</span>import java.util.concurrent.atomic.LongAdder;<a name="line.49"></a> -<span class="sourceLineNo">050</span>import java.util.regex.Matcher;<a name="line.50"></a> -<span class="sourceLineNo">051</span>import java.util.regex.Pattern;<a name="line.51"></a> -<span class="sourceLineNo">052</span><a name="line.52"></a> -<span class="sourceLineNo">053</span>import org.apache.commons.lang3.time.StopWatch;<a name="line.53"></a> -<span class="sourceLineNo">054</span>import org.apache.commons.logging.Log;<a name="line.54"></a> -<span class="sourceLineNo">055</span>import org.apache.commons.logging.LogFactory;<a name="line.55"></a> -<span class="sourceLineNo">056</span>import org.apache.hadoop.conf.Configuration;<a name="line.56"></a> -<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.AuthUtil;<a name="line.57"></a> -<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.ChoreService;<a name="line.58"></a> -<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.ClusterStatus;<a name="line.59"></a> -<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.ClusterStatus.Option;<a name="line.60"></a> -<span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.DoNotRetryIOException;<a name="line.61"></a> -<span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.HBaseConfiguration;<a name="line.62"></a> -<span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.HColumnDescriptor;<a name="line.63"></a> -<span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.HConstants;<a name="line.64"></a> -<span class="sourceLineNo">065</span>import org.apache.hadoop.hbase.HRegionInfo;<a name="line.65"></a> -<span class="sourceLineNo">066</span>import org.apache.hadoop.hbase.HRegionLocation;<a name="line.66"></a> -<span class="sourceLineNo">067</span>import org.apache.hadoop.hbase.HTableDescriptor;<a name="line.67"></a> -<span class="sourceLineNo">068</span>import org.apache.hadoop.hbase.MetaTableAccessor;<a name="line.68"></a> -<span class="sourceLineNo">069</span>import org.apache.hadoop.hbase.NamespaceDescriptor;<a name="line.69"></a> -<span class="sourceLineNo">070</span>import org.apache.hadoop.hbase.ScheduledChore;<a name="line.70"></a> -<span class="sourceLineNo">071</span>import org.apache.hadoop.hbase.ServerName;<a name="line.71"></a> -<span class="sourceLineNo">072</span>import org.apache.hadoop.hbase.TableName;<a name="line.72"></a> -<span class="sourceLineNo">073</span>import org.apache.hadoop.hbase.TableNotEnabledException;<a name="line.73"></a> -<span class="sourceLineNo">074</span>import org.apache.hadoop.hbase.TableNotFoundException;<a name="line.74"></a> -<span class="sourceLineNo">075</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.75"></a> -<span class="sourceLineNo">076</span>import org.apache.hadoop.hbase.client.Admin;<a name="line.76"></a> -<span class="sourceLineNo">077</span>import org.apache.hadoop.hbase.client.ColumnFamilyDescriptor;<a name="line.77"></a> -<span class="sourceLineNo">078</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.78"></a> -<span class="sourceLineNo">079</span>import org.apache.hadoop.hbase.client.ConnectionFactory;<a name="line.79"></a> -<span class="sourceLineNo">080</span>import org.apache.hadoop.hbase.client.Get;<a name="line.80"></a> -<span class="sourceLineNo">081</span>import org.apache.hadoop.hbase.client.Put;<a name="line.81"></a> -<span class="sourceLineNo">082</span>import org.apache.hadoop.hbase.client.RegionLocator;<a name="line.82"></a> -<span class="sourceLineNo">083</span>import org.apache.hadoop.hbase.client.ResultScanner;<a name="line.83"></a> -<span class="sourceLineNo">084</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.84"></a> -<span class="sourceLineNo">085</span>import org.apache.hadoop.hbase.client.Table;<a name="line.85"></a> -<span class="sourceLineNo">086</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.86"></a> -<span class="sourceLineNo">087</span>import org.apache.hadoop.hbase.filter.FirstKeyOnlyFilter;<a name="line.87"></a> -<span class="sourceLineNo">088</span>import org.apache.hadoop.hbase.tool.Canary.RegionTask.TaskType;<a name="line.88"></a> -<span class="sourceLineNo">089</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.89"></a> -<span class="sourceLineNo">090</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.90"></a> -<span class="sourceLineNo">091</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.91"></a> -<span class="sourceLineNo">092</span>import org.apache.hadoop.hbase.util.ReflectionUtils;<a name="line.92"></a> -<span class="sourceLineNo">093</span>import org.apache.hadoop.hbase.util.RegionSplitter;<a name="line.93"></a> -<span class="sourceLineNo">094</span>import org.apache.hadoop.hbase.zookeeper.EmptyWatcher;<a name="line.94"></a> -<span class="sourceLineNo">095</span>import org.apache.hadoop.hbase.zookeeper.ZKConfig;<a name="line.95"></a> -<span class="sourceLineNo">096</span>import org.apache.hadoop.util.GenericOptionsParser;<a name="line.96"></a> -<span class="sourceLineNo">097</span>import org.apache.hadoop.util.Tool;<a name="line.97"></a> -<span class="sourceLineNo">098</span>import org.apache.hadoop.util.ToolRunner;<a name="line.98"></a> -<span class="sourceLineNo">099</span>import org.apache.zookeeper.KeeperException;<a name="line.99"></a> -<span class="sourceLineNo">100</span>import org.apache.zookeeper.ZooKeeper;<a name="line.100"></a> -<span class="sourceLineNo">101</span>import org.apache.zookeeper.client.ConnectStringParser;<a name="line.101"></a> -<span class="sourceLineNo">102</span>import org.apache.zookeeper.data.Stat;<a name="line.102"></a> -<span class="sourceLineNo">103</span><a name="line.103"></a> -<span class="sourceLineNo">104</span>/**<a name="line.104"></a> -<span class="sourceLineNo">105</span> * HBase Canary Tool, that that can be used to do<a name="line.105"></a> -<span class="sourceLineNo">106</span> * "canary monitoring" of a running HBase cluster.<a name="line.106"></a> -<span class="sourceLineNo">107</span> *<a name="line.107"></a> -<span class="sourceLineNo">108</span> * Here are three modes<a name="line.108"></a> -<span class="sourceLineNo">109</span> * 1. region mode - Foreach region tries to get one row per column family<a name="line.109"></a> -<span class="sourceLineNo">110</span> * and outputs some information about failure or latency.<a name="line.110"></a> -<span class="sourceLineNo">111</span> *<a name="line.111"></a> -<span class="sourceLineNo">112</span> * 2. regionserver mode - Foreach regionserver tries to get one row from one table<a name="line.112"></a> -<span class="sourceLineNo">113</span> * selected randomly and outputs some information about failure or latency.<a name="line.113"></a> -<span class="sourceLineNo">114</span> *<a name="line.114"></a> -<span class="sourceLineNo">115</span> * 3. zookeeper mode - for each zookeeper instance, selects a zNode and<a name="line.115"></a> -<span class="sourceLineNo">116</span> * outputs some information about failure or latency.<a name="line.116"></a> -<span class="sourceLineNo">117</span> */<a name="line.117"></a> -<span class="sourceLineNo">118</span>@InterfaceAudience.Private<a name="line.118"></a> -<span class="sourceLineNo">119</span>public final class Canary implements Tool {<a name="line.119"></a> -<span class="sourceLineNo">120</span> // Sink interface used by the canary to outputs information<a name="line.120"></a> -<span class="sourceLineNo">121</span> public interface Sink {<a name="line.121"></a> -<span class="sourceLineNo">122</span> public long getReadFailureCount();<a name="line.122"></a> -<span class="sourceLineNo">123</span> public long incReadFailureCount();<a name="line.123"></a> -<span class="sourceLineNo">124</span> public void publishReadFailure(ServerName serverName, HRegionInfo region, Exception e);<a name="line.124"></a> -<span class="sourceLineNo">125</span> public void publishReadFailure(ServerName serverName, HRegionInfo region, ColumnFamilyDescriptor column, Exception e);<a name="line.125"></a> -<span class="sourceLineNo">126</span> public void updateReadFailedHostList(HRegionInfo region, String serverName);<a name="line.126"></a> -<span class="sourceLineNo">127</span> public Map<String,String> getReadFailures();<a name="line.127"></a> -<span class="sourceLineNo">128</span> public void publishReadTiming(ServerName serverName, HRegionInfo region, ColumnFamilyDescriptor column, long msTime);<a name="line.128"></a> -<span class="sourceLineNo">129</span> public long getWriteFailureCount();<a name="line.129"></a> -<span class="sourceLineNo">130</span> public void publishWriteFailure(ServerName serverName, HRegionInfo region, Exception e);<a name="line.130"></a> -<span class="sourceLineNo">131</span> public void publishWriteFailure(ServerName serverName, HRegionInfo region, ColumnFamilyDescriptor column, Exception e);<a name="line.131"></a> -<span class="sourceLineNo">132</span> public void publishWriteTiming(ServerName serverName, HRegionInfo region, ColumnFamilyDescriptor column, long msTime);<a name="line.132"></a> -<span class="sourceLineNo">133</span> public void updateWriteFailedHostList(HRegionInfo region, String serverName);<a name="line.133"></a> -<span class="sourceLineNo">134</span> public Map<String,String> getWriteFailures();<a name="line.134"></a> -<span class="sourceLineNo">135</span> }<a name="line.135"></a> -<span class="sourceLineNo">136</span> // new extended sink for output regionserver mode info<a name="line.136"></a> -<span class="sourceLineNo">137</span> // do not change the Sink interface directly due to maintaining the API<a name="line.137"></a> -<span class="sourceLineNo">138</span> public interface ExtendedSink extends Sink {<a name="line.138"></a> -<span class="sourceLineNo">139</span> public void publishReadFailure(String table, String server);<a name="line.139"></a> -<span class="sourceLineNo">140</span> public void publishReadTiming(String table, String server, long msTime);<a name="line.140"></a> -<span class="sourceLineNo">141</span> }<a name="line.141"></a> -<span class="sourceLineNo">142</span><a name="line.142"></a> -<span class="sourceLineNo">143</span> // Simple implementation of canary sink that allows to plot on<a name="line.143"></a> -<span class="sourceLineNo">144</span> // file or standard output timings or failures.<a name="line.144"></a> -<span class="sourceLineNo">145</span> public static class StdOutSink implements Sink {<a name="line.145"></a> -<span class="sourceLineNo">146</span> private AtomicLong readFailureCount = new AtomicLong(0),<a name="line.146"></a> -<span class="sourceLineNo">147</span> writeFailureCount = new AtomicLong(0);<a name="line.147"></a> -<span class="sourceLineNo">148</span><a name="line.148"></a> -<span class="sourceLineNo">149</span> private Map<String, String> readFailures = new ConcurrentHashMap<>();<a name="line.149"></a> -<span class="sourceLineNo">150</span> private Map<String, String> writeFailures = new ConcurrentHashMap<>();<a name="line.150"></a> -<span class="sourceLineNo">151</span><a name="line.151"></a> -<span class="sourceLineNo">152</span> @Override<a name="line.152"></a> -<span class="sourceLineNo">153</span> public long getReadFailureCount() {<a name="line.153"></a> -<span class="sourceLineNo">154</span> return readFailureCount.get();<a name="line.154"></a> -<span class="sourceLineNo">155</span> }<a name="line.155"></a> -<span class="sourceLineNo">156</span><a name="line.156"></a> -<span class="sourceLineNo">157</span> @Override<a name="line.157"></a> -<span class="sourceLineNo">158</span> public long incReadFailureCount() {<a name="line.158"></a> -<span class="sourceLineNo">159</span> return readFailureCount.incrementAndGet();<a name="line.159"></a> -<span class="sourceLineNo">160</span> }<a name="line.160"></a> -<span class="sourceLineNo">161</span><a name="line.161"></a> -<span class="sourceLineNo">162</span> @Override<a name="line.162"></a> -<span class="sourceLineNo">163</span> public void publishReadFailure(ServerName serverName, HRegionInfo region, Exception e) {<a name="line.163"></a> -<span class="sourceLineNo">164</span> readFailureCount.incrementAndGet();<a name="line.164"></a> -<span class="sourceLineNo">165</span> LOG.error(String.format("read from region %s on regionserver %s failed", region.getRegionNameAsString(), serverName), e);<a name="line.165"></a> -<span class="sourceLineNo">166</span> }<a name="line.166"></a> -<span class="sourceLineNo">167</span><a name="line.167"></a> -<span class="sourceLineNo">168</span> @Override<a name="line.168"></a> -<span class="sourceLineNo">169</span> public void publishReadFailure(ServerName serverName, HRegionInfo region, ColumnFamilyDescriptor column, Exception e) {<a name="line.169"></a> -<span class="sourceLineNo">170</span> readFailureCount.incrementAndGet();<a name="line.170"></a> -<span class="sourceLineNo">171</span> LOG.error(String.format("read from region %s on regionserver %s column family %s failed",<a name="line.171"></a> -<span class="sourceLineNo">172</span> region.getRegionNameAsString(), serverName, column.getNameAsString()), e);<a name="line.172"></a> -<span class="sourceLineNo">173</span> }<a name="line.173"></a> -<span class="sourceLineNo">174</span><a name="line.174"></a> -<span class="sourceLineNo">175</span> @Override<a name="line.175"></a> -<span class="sourceLineNo">176</span> public void updateReadFailedHostList(HRegionInfo region, String serverName) {<a name="line.176"></a> -<span class="sourceLineNo">177</span> readFailures.put(region.getRegionNameAsString(), serverName);<a name="line.177"></a> -<span class="sourceLineNo">178</span> }<a name="line.178"></a> -<span class="sourceLineNo">179</span><a name="line.179"></a> -<span class="sourceLineNo">180</span> @Override<a name="line.180"></a> -<span class="sourceLineNo">181</span> public void publishReadTiming(ServerName serverName, HRegionInfo region, ColumnFamilyDescriptor column, long msTime) {<a name="line.181"></a> -<span class="sourceLineNo">182</span> LOG.info(String.format("read from region %s on regionserver %s column family %s in %dms",<a name="line.182"></a> -<span class="sourceLineNo">183</span> region.getRegionNameAsString(), serverName, column.getNameAsString(), msTime));<a name="line.183"></a> -<span class="sourceLineNo">184</span> }<a name="line.184"></a> -<span class="sourceLineNo">185</span><a name="line.185"></a> -<span class="sourceLineNo">186</span> @Override<a name="line.186"></a> -<span class="sourceLineNo">187</span> public Map<String, String> getReadFailures() {<a name="line.187"></a> -<span class="sourceLineNo">188</span> return readFailures;<a name="line.188"></a> -<span class="sourceLineNo">189</span> }<a name="line.189"></a> -<span class="sourceLineNo">190</span><a name="line.190"></a> -<span class="sourceLineNo">191</span> @Override<a name="line.191"></a> -<span class="sourceLineNo">192</span> public Map<String, String> getWriteFailures() {<a name="line.192"></a> -<span class="sourceLineNo">193</span> return writeFailures;<a name="line.193"></a> -<span class="sourceLineNo">194</span> }<a name="line.194"></a> -<span class="sourceLineNo">195</span><a name="line.195"></a> -<span class="sourceLineNo">196</span> @Override<a name="line.196"></a> -<span class="sourceLineNo">197</span> public long getWriteFailureCount() {<a name="line.197"></a> -<span class="sourceLineNo">198</span> return writeFailureCount.get();<a name="line.198"></a> -<span class="sourceLineNo">199</span> }<a name="line.199"></a> -<span class="sourceLineNo">200</span><a name="line.200"></a> -<span class="sourceLineNo">201</span> @Override<a name="line.201"></a> -<span class="sourceLineNo">202</span> public void publishWriteFailure(ServerName serverName, HRegionInfo region, Exception e) {<a name="line.202"></a> -<span class="sourceLineNo">203</span> writeFailureCount.incrementAndGet();<a name="line.203"></a> -<span class="sourceLineNo">204</span> LOG.error(String.format("write to region %s on regionserver %s failed", region.getRegionNameAsString(), serverName), e);<a name="line.204"></a> -<span class="sourceLineNo">205</span> }<a name="line.205"></a> -<span class="sourceLineNo">206</span><a name="line.206"></a> -<span class="sourceLineNo">207</span> @Override<a name="line.207"></a> -<span class="sourceLineNo">208</span> public void publishWriteFailure(ServerName serverName, HRegionInfo region, ColumnFamilyDescriptor column, Exception e) {<a name="line.208"></a> -<span class="sourceLineNo">209</span> writeFailureCount.incrementAndGet();<a name="line.209"></a> -<span class="sourceLineNo">210</span> LOG.error(String.format("write to region %s on regionserver %s column family %s failed",<a name="line.210"></a> -<span class="sourceLineNo">211</span> region.getRegionNameAsString(), serverName, column.getNameAsString()), e);<a name="line.211"></a> -<span class="sourceLineNo">212</span> }<a name="line.212"></a> -<span class="sourceLineNo">213</span><a name="line.213"></a> -<span class="sourceLineNo">214</span> @Override<a name="line.214"></a> -<span class="sourceLineNo">215</span> public void publishWriteTiming(ServerName serverName, HRegionInfo region, ColumnFamilyDescriptor column, long msTime) {<a name="line.215"></a> -<span class="sourceLineNo">216</span> LOG.info(String.format("write to region %s on regionserver %s column family %s in %dms",<a name="line.216"></a> -<span class="sourceLineNo">217</span> region.getRegionNameAsString(), serverName, column.getNameAsString(), msTime));<a name="line.217"></a> -<span class="sourceLineNo">218</span> }<a name="line.218"></a> -<span class="sourceLineNo">219</span><a name="line.219"></a> -<span class="sourceLineNo">220</span> @Override<a name="line.220"></a> -<span class="sourceLineNo">221</span> public void updateWriteFailedHostList(HRegionInfo region, String serverName) {<a name="line.221"></a> -<span class="sourceLineNo">222</span> writeFailures.put(region.getRegionNameAsString(), serverName);<a name="line.222"></a> -<span class="sourceLineNo">223</span> }<a name="line.223"></a> -<span class="sourceLineNo">224</span><a name="line.224"></a> -<span class="sourceLineNo">225</span> }<a name="line.225"></a> -<span class="sourceLineNo">226</span> // a ExtendedSink implementation<a name="line.226"></a> -<span class="sourceLineNo">227</span> public static class RegionServerStdOutSink extends StdOutSink implements ExtendedSink {<a name="line.227"></a> -<span class="sourceLineNo">228</span><a name="line.228"></a> -<span class="sourceLineNo">229</span> @Override<a name="line.229"></a> -<span class="sourceLineNo">230</span> public void publishReadFailure(String table, String server) {<a name="line.230"></a> -<span class="sourceLineNo">231</span> incReadFailureCount();<a name="line.231"></a> -<span class="sourceLineNo">232</span> LOG.error(String.format("Read from table:%s on region server:%s", table, server));<a name="line.232"></a> -<span class="sourceLineNo">233</span> }<a name="line.233"></a> -<span class="sourceLineNo">234</span><a name="line.234"></a> -<span class="sourceLineNo">235</span> @Override<a name="line.235"></a> -<span class="sourceLineNo">236</span> public void publishReadTiming(String table, String server, long msTime) {<a name="line.236"></a> -<span class="sourceLineNo">237</span> LOG.info(String.format("Read from table:%s on region server:%s in %dms",<a name="line.237"></a> -<span class="sourceLineNo">238</span> table, server, msTime));<a name="line.238"></a> -<span class="sourceLineNo">239</span> }<a name="line.239"></a> -<span class="sourceLineNo">240</span> }<a name="line.240"></a> -<span class="sourceLineNo">241</span><a name="line.241"></a> -<span class="sourceLineNo">242</span> public static class ZookeeperStdOutSink extends StdOutSink implements ExtendedSink {<a name="line.242"></a> -<span class="sourceLineNo">243</span> @Override public void publishReadFailure(String zNode, String server) {<a name="line.243"></a> -<span class="sourceLineNo">244</span> incReadFailureCount();<a name="line.244"></a> -<span class="sourceLineNo">245</span> LOG.error(String.format("Read from zNode:%s on zookeeper instance:%s", zNode, server));<a name="line.245"></a> -<span class="sourceLineNo">246</span> }<a name="line.246"></a> -<span class="sourceLineNo">247</span><a name="line.247"></a> -<span class="sourceLineNo">248</span> @Override public void publishReadTiming(String znode, String server, long msTime) {<a name="line.248"></a> -<span class="sourceLineNo">249</span> LOG.info(String.format("Read from zNode:%s on zookeeper instance:%s in %dms",<a name="line.249"></a> -<span class="sourceLineNo">250</span> znode, server, msTime));<a name="line.250"></a> -<span class="sourceLineNo">251</span> }<a name="line.251"></a> -<span class="sourceLineNo">252</span> }<a name="line.252"></a> -<span class="sourceLineNo">253</span><a name="line.253"></a> -<span class="sourceLineNo">254</span> public static class RegionStdOutSink extends StdOutSink {<a name="line.254"></a> -<span class="sourceLineNo">255</span><a name="line.255"></a> -<span class="sourceLineNo">256</span> private Map<String, LongAdder> perTableReadLatency = new HashMap<>();<a name="line.256"></a> -<span class="sourceLineNo">257</span> private LongAdder writeLatency = new LongAdder();<a name="line.257"></a> -<span class="sourceLineNo">258</span><a name="line.258"></a> -<span class="sourceLineNo">259</span> public Map<String, LongAdder> getReadLatencyMap() {<a name="line.259"></a> -<span class="sourceLineNo">260</span> return this.perTableReadLatency;<a name="line.260"></a> -<span class="sourceLineNo">261</span> }<a name="line.261"></a> -<span class="sourceLineNo">262</span><a name="line.262"></a> -<span class="sourceLineNo">263</span> public LongAdder initializeAndGetReadLatencyForTable(String tableName) {<a name="line.263"></a> -<span class="sourceLineNo">264</span> LongAdder initLatency = new LongAdder();<a name="line.264"></a> -<span class="sourceLineNo">265</span> this.perTableReadLatency.put(tableName, initLatency);<a name="line.265"></a> -<span class="sourceLineNo">266</span> return initLatency;<a name="line.266"></a> -<span class="sourceLineNo">267</span> }<a name="line.267"></a> -<span class="sourceLineNo">268</span><a name="line.268"></a> -<span class="sourceLineNo">269</span> public void initializeWriteLatency() {<a name="line.269"></a> -<span class="sourceLineNo">270</span> this.writeLatency.reset();<a name="line.270"></a> -<span class="sourceLineNo">271</span> }<a name="line.271"></a> -<span class="sourceLineNo">272</span><a name="line.272"></a> -<span class="sourceLineNo">273</span> public LongAdder getWriteLatency() {<a name="line.273"></a> -<span class="sourceLineNo">274</span> return this.writeLatency;<a name="line.274"></a> -<span class="sourceLineNo">275</span> }<a name="line.275"></a> -<span class="sourceLineNo">276</span> }<a name="line.276"></a> -<span class="sourceLineNo">277</span><a name="line.277"></a> -<span class="sourceLineNo">278</span> static class ZookeeperTask implements Callable<Void> {<a name="line.278"></a> -<span class="sourceLineNo">279</span> private final Connection connection;<a name="line.279"></a> -<span class="sourceLineNo">280</span> private final String host;<a name="line.280"></a> -<span class="sourceLineNo">281</span> private String znode;<a name="line.281"></a> -<span class="sourceLineNo">282</span> private final int timeout;<a name="line.282"></a> -<span class="sourceLineNo">283</span> private ZookeeperStdOutSink sink;<a name="line.283"></a> -<span class="sourceLineNo">284</span><a name="line.284"></a> -<span class="sourceLineNo">285</span> public ZookeeperTask(Connection connection, String host, String znode, int timeout,<a name="line.285"></a> -<span class="sourceLineNo">286</span> ZookeeperStdOutSink sink) {<a name="line.286"></a> -<span class="sourceLineNo">287</span> this.connection = connection;<a name="line.287"></a> -<span class="sourceLineNo">288</span> this.host = host;<a name="line.288"></a> -<span class="sourceLineNo">289</span> this.znode = znode;<a name="line.289"></a> -<span class="sourceLineNo">290</span> this.timeout = timeout;<a name="line.290"></a> -<span class="sourceLineNo">291</span> this.sink = sink;<a name="line.291"></a> -<span class="sourceLineNo">292</span> }<a name="line.292"></a> -<span class="sourceLineNo">293</span><a name="line.293"></a> -<span class="sourceLineNo">294</span> @Override public Void call() throws Exception {<a name="line.294"></a> -<span class="sourceLineNo">295</span> ZooKeeper zooKeeper = null;<a name="line.295"></a> -<span class="sourceLineNo">296</span> try {<a name="line.296"></a> -<span class="sourceLineNo">297</span> zooKeeper = new ZooKeeper(host, timeout, EmptyWatcher.instance);<a name="line.297"></a> -<span class="sourceLineNo">298</span> Stat exists = zooKeeper.exists(znode, false);<a name="line.298"></a> -<span class="sourceLineNo">299</span> StopWatch stopwatch = new StopWatch();<a name="line.299"></a> -<span class="sourceLineNo">300</span> stopwatch.start();<a name="line.300"></a> -<span class="sourceLineNo">301</span> zooKeeper.getData(znode, false, exists);<a name="line.301"></a> -<span class="sourceLineNo">302</span> stopwatch.stop();<a name="line.302"></a> -<span class="sourceLineNo">303</span> sink.publishReadTiming(znode, host, stopwatch.getTime());<a name="line.303"></a> -<span class="sourceLineNo">304</span> } catch (KeeperException | InterruptedException e) {<a name="line.304"></a> -<span class="sourceLineNo">305</span> sink.publishReadFailure(znode, host);<a name="line.305"></a> -<span class="sourceLineNo">306</span> } finally {<a name="line.306"></a> -<span class="sourceLineNo">307</span> if (zooKeeper != null) {<a name="line.307"></a> -<span class="sourceLineNo">308</span> zooKeeper.close();<a name="line.308"></a> -<span class="sourceLineNo">309</span> }<a name="line.309"></a> -<span class="sourceLineNo">310</span> }<a name="line.310"></a> -<span class="sourceLineNo">311</span> return null;<a name="line.311"></a> -<span class="sourceLineNo">312</span> }<a name="line.312"></a> -<span class="sourceLineNo">313</span> }<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> * For each column family of the region tries to get one row and outputs the latency, or the<a name="line.316"></a> -<span class="sourceLineNo">317</span> * failure.<a name="line.317"></a> -<span class="sourceLineNo">318</span> */<a name="line.318"></a> -<span class="sourceLineNo">319</span> static class RegionTask implements Callable<Void> {<a name="line.319"></a> -<span class="sourceLineNo">320</span> public enum TaskType{<a name="line.320"></a> -<span class="sourceLineNo">321</span> READ, WRITE<a name="line.321"></a> -<span class="sourceLineNo">322</span> }<a name="line.322"></a> -<span class="sourceLineNo">323</span> private Connection connection;<a name="line.323"></a> -<span class="sourceLineNo">324</span> private HRegionInfo region;<a name="line.324"></a> -<span class="sourceLineNo">325</span> private RegionStdOutSink sink;<a name="line.325"></a> -<span class="sourceLineNo">326</span> private TaskType taskType;<a name="line.326"></a> -<span class="sourceLineNo">327</span> private boolean rawScanEnabled;<a name="line.327"></a> -<span class="sourceLineNo">328</span> private ServerName serverName;<a name="line.328"></a> -<span class="sourceLineNo">329</span> private LongAdder readWriteLatency;<a name="line.329"></a> -<span class="sourceLineNo">330</span><a name="line.330"></a> -<span class="sourceLineNo">331</span> RegionTask(Connection connection, HRegionInfo region, ServerName serverName, RegionStdOutSink sink,<a name="line.331"></a> -<span class="sourceLineNo">332</span> TaskType taskType, boolean rawScanEnabled, LongAdder rwLatency) {<a name="line.332"></a> -<span class="sourceLineNo">333</span> this.connection = connection;<a name="line.333"></a> -<span class="sourceLineNo">334</span> this.region = region;<a name="line.334"></a> -<span class="sourceLineNo">335</span> this.serverName = serverName;<a name="line.335"></a> -<span class="sourceLineNo">336</span> this.sink = sink;<a name="line.336"></a> -<span class="sourceLineNo">337</span> this.taskType = taskType;<a name="line.337"></a> -<span class="sourceLineNo">338</span> this.rawScanEnabled = rawScanEnabled;<a name="line.338"></a> -<span class="sourceLineNo">339</span> this.readWriteLatency = rwLatency;<a name="line.339"></a> -<span class="sourceLineNo">340</span> }<a name="line.340"></a> -<span class="sourceLineNo">341</span><a name="line.341"></a> -<span class="sourceLineNo">342</span> @Override<a name="line.342"></a> -<span class="sourceLineNo">343</span> public Void call() {<a name="line.343"></a> -<span class="sourceLineNo">344</span> switch (taskType) {<a name="line.344"></a> -<span class="sourceLineNo">345</span> case READ:<a name="line.345"></a> -<span class="sourceLineNo">346</span> return read();<a name="line.346"></a> -<span class="sourceLineNo">347</span> case WRITE:<a name="line.347"></a> -<span class="sourceLineNo">348</span> return write();<a name="line.348"></a> -<span class="sourceLineNo">349</span> default:<a name="line.349"></a> -<span class="sourceLineNo">350</span> return read();<a name="line.350"></a> -<span class="sourceLineNo">351</span> }<a name="line.351"></a> -<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> public Void read() {<a name="line.354"></a> -<span class="sourceLineNo">355</span> Table table = null;<a name="line.355"></a> -<span class="sourceLineNo">356</span> TableDescriptor tableDesc = null;<a name="line.356"></a> -<span class="sourceLineNo">357</span> try {<a name="line.357"></a> -<span class="sourceLineNo">358</span> if (LOG.isDebugEnabled()) {<a name="line.358"></a> -<span class="sourceLineNo">359</span> LOG.debug(String.format("reading table descriptor for table %s",<a name="line.359"></a> -<span class="sourceLineNo">360</span> region.getTable()));<a name="line.360"></a> -<span class="sourceLineNo">361</span> }<a name="line.361"></a> -<span class="sourceLineNo">362</span> table = connection.getTable(region.getTable());<a name="line.362"></a> -<span class="sourceLineNo">363</span> tableDesc = table.getDescriptor();<a name="line.363"></a> -<span class="sourceLineNo">364</span> } catch (IOException e) {<a name="line.364"></a> -<span class="sourceLineNo">365</span> LOG.debug("sniffRegion failed", e);<a name="line.365"></a> -<span class="sourceLineNo">366</span> sink.publishReadFailure(serverName, region, e);<a name="line.366"></a> -<span class="sourceLineNo">367</span> if (table != null) {<a name="line.367"></a> -<span class="sourceLineNo">368</span> try {<a name="line.368"></a> -<span class="sourceLineNo">369</span> table.close();<a name="line.369"></a> -<span class="sourceLineNo">370</span> } catch (IOException ioe) {<a name="line.370"></a> -<span class="sourceLineNo">371</span> LOG.error("Close table failed", e);<a name="line.371"></a> -<span class="sourceLineNo">372</span> }<a name="line.372"></a> -<span class="sourceLineNo">373</span> }<a name="line.373"></a> -<span class="sourceLineNo">374</span> return null;<a name="line.374"></a> -<span class="sourceLineNo">375</span> }<a name="line.375"></a> -<span class="sourceLineNo">376</span><a name="line.376"></a> -<span class="sourceLineNo">377</span> byte[] startKey = null;<a name="line.377"></a> -<span class="sourceLineNo">378</span> Get get = null;<a name="line.378"></a> -<span class="sourceLineNo">379</span> Scan scan = null;<a name="line.379"></a> -<span class="sourceLineNo">380</span> ResultScanner rs = null;<a name="line.380"></a> -<span class="sourceLineNo">381</span> StopWatch stopWatch = new StopWatch();<a name="line.381"></a> -<span class="sourceLineNo">382</span> for (ColumnFamilyDescriptor column : tableDesc.getColumnFamilies()) {<a name="line.382"></a> -<span class="sourceLineNo">383</span> stopWatch.reset();<a name="line.383"></a> -<span class="sourceLineNo">384</span> startKey = region.getStartKey();<a name="line.384"></a> -<span class="sourceLineNo">385</span> // Can't do a get on empty start row so do a Scan of first element if any instead.<a name="line.385"></a> -<span class="sourceLineNo">386</span> if (startKey.length > 0) {<a name="line.386"></a> -<span class="sourceLineNo">387</span> get = new Get(startKey);<a name="line.387"></a> -<span class="sourceLineNo">388</span> get.setCacheBlocks(false);<a name="line.388"></a> -<span class="sourceLineNo">389</span> get.setFilter(new FirstKeyOnlyFilter());<a name="line.389"></a> -<span class="sourceLineNo">390</span> get.addFamily(column.getName());<a name="line.390"></a> -<span class="sourceLineNo">391</span> } else {<a name="line.391"></a> -<span class="sourceLineNo">392</span> scan = new Scan();<a name="line.392"></a> -<span class="sourceLineNo">393</span> if (LOG.isDebugEnabled()) {<a name="line.393"></a> -<span class="sourceLineNo">394</span> LOG.debug(String.format("rawScan : %s for table: %s", rawScanEnabled,<a name="line.394"></a> -<span class="sourceLineNo">395</span> tableDesc.getTableName()));<a name="line.395"></a> -<span class="sourceLineNo">396</span> }<a name="line.396"></a> -<span class="sourceLineNo">397</span> scan.setRaw(rawScanEnabled);<a name="line.397"></a> -<span class="sourceLineNo">398</span> scan.setCaching(1);<a name="line.398"></a> -<span class="sourceLineNo">399</span> scan.setCacheBlocks(false);<a name="line.399"></a> -<span class="sourceLineNo">400</span> scan.setFilter(new FirstKeyOnlyFilter());<a name="line.400"></a> -<span class="sourceLineNo">401</span> scan.addFamily(column.getName());<a name="line.401"></a> -<span class="sourceLineNo">402</span> scan.setMaxResultSize(1L);<a name="line.402"></a> -<span class="sourceLineNo">403</span> scan.setOneRowLimit();<a name="line.403"></a> -<span class="sourceLineNo">404</span> }<a name="line.404"></a> -<span class="sourceLineNo">405</span><a name="line.405"></a> -<span class="sourceLineNo">406</span> if (LOG.isDebugEnabled()) {<a name="line.406"></a> -<span class="sourceLineNo">407</span> LOG.debug(String.format("reading from table %s region %s column family %s and key %s",<a name="line.407"></a> -<span class="sourceLineNo">408</span> tableDesc.getTableName(), region.getRegionNameAsString(), column.getNameAsString(),<a name="line.408"></a> -<span class="sourceLineNo">409</span> Bytes.toStringBinary(startKey)));<a name="line.409"></a> -<span class="sourceLineNo">410</span> }<a name="line.410"></a> -<span class="sourceLineNo">411</span> try {<a name="line.411"></a> -<span class="sourceLineNo">412</span> stopWatch.start();<a name="line.412"></a> -<span class="sourceLineNo">413</span> if (startKey.length > 0) {<a name="line.413"></a> -<span class="sourceLineNo">414</span> table.get(get);<a name="line.414"></a> -<span class="sourceLineNo">415</span> } else {<a name="line.415"></a> -<span class="sourceLineNo">416</span> rs = table.getScanner(scan);<a name="line.416"></a> -<span class="sourceLineNo">417</span> rs.next();<a name="line.417"></a> -<span class="sourceLineNo">418</span> }<a name="line.418"></a> -<span class="sourceLineNo">419</span> stopWatch.stop();<a name="line.419"></a> -<span class="sourceLineNo">420</span> this.readWriteLatency.add(stopWatch.getTime());<a name="line.420"></a> -<span class="sourceLineNo">421</span> sink.publishReadTiming(serverName, region, column, stopWatch.getTime());<a name="line.421"></a> -<span class="sourceLineNo">422</span> } catch (Exception e) {<a name="line.422"></a> -<span class="sourceLineNo">423</span> sink.publishReadFailure(serverName, region, column, e);<a name="line.423"></a> -<span class="sourceLineNo">424</span> sink.updateReadFailedHostList(region, serverName.getHostname());<a name="line.424"></a> -<span class="sourceLineNo">425</span> } finally {<a name="line.425"></a> -<span class="sourceLineNo">426</span> if (rs != null) {<a name="line.426"></a> -<span class="sourceLineNo">427</span> rs.close();<a name="line.427"></a> -<span class="sourceLineNo">428</span> }<a name="line.428"></a> -<span class="sourceLineNo">429</span> scan = null;<a name="line.429"></a> -<span class="sourceLineNo">430</span> get = null;<a name="line.430"></a> -<span class="sourceLineNo">431</span> }<a name="line.431"></a> -<span class="sourceLineNo">432</span> }<a name="line.432"></a> -<span class="sourceLineNo">433</span> try {<a name="line.433"></a> -<span class="sourceLineNo">434</span> table.close();<a name="line.434"></a> -<span class="sourceLineNo">435</span> } catch (IOException e) {<a name="line.435"></a> -<span class="sourceLineNo">436</span> LOG.error("Close table failed", e);<a name="line.436"></a> -<span class="sourceLineNo">437</span> }<a name="line.437"></a> -<span class="sourceLineNo">438</span> return null;<a name="line.438"></a> -<span class="sourceLineNo">439</span> }<a name="line.439"></a> -<span class="sourceLineNo">440</span><a name="line.440"></a> -<span class="sourceLineNo">441</span> /**<a name="line.441"></a> -<span class="sourceLineNo">442</span> * Check writes for the canary table<a name="line.442"></a> -<span class="sourceLineNo">443</span> * @return<a name="line.443"></a> -<span class="sourceLineNo">444</span> */<a name="line.444"></a> -<span class="sourceLineNo">445</span> private Void write() {<a name="line.445"></a> -<span class="sourceLineNo">446</span> Table table = null;<a name="line.446"></a> -<span class="sourceLineNo">447</span> TableDescriptor tableDesc = null;<a name="line.447"></a> -<span class="sourceLineNo">448</span> try {<a name="line.448"></a> -<span class="sourceLineNo">449</span> table = connection.getTable(region.getTable());<a name="line.449"></a> -<span class="sourceLineNo">450</span> tableDesc = table.getDescriptor();<a name="line.450"></a> -<span class="sourceLineNo">451</span> byte[] rowToCheck = region.getStartKey();<a name="line.451"></a> -<span class="sourceLineNo">452</span> if (rowToCheck.length == 0) {<a name="line.452"></a> -<span class="sourceLineNo">453</span> rowToCheck = new byte[]{0x0};<a name="line.453"></a> -<span class="sourceLineNo">454</span> }<a name="line.454"></a> -<span class="sourceLineNo">455</span> int writeValueSize =<a name="line.455"></a> -<span class="sourceLineNo">456</span> connection.getConfiguration().getInt(HConstants.HBASE_CANARY_WRITE_VALUE_SIZE_KEY, 10);<a name="line.456"></a> -<span class="sourceLineNo">457</span> for (ColumnFamilyDescriptor column : tableDesc.getColumnFamilies()) {<a name="line.457"></a> -<span class="sourceLineNo">458</span> Put put = new Put(rowToCheck);<a name="line.458"></a> -<span class="sourceLineNo">459</span> byte[] value = new byte[writeValueSize];<a name="line.459"></a> -<span class="sourceLineNo">460</span> Bytes.random(value);<a name="line.460"></a> -<span class="sourceLineNo">461</span> put.addColumn(column.getName(), HConstants.EMPTY_BYTE_ARRAY, value);<a name="line.461"></a> -<span class="sourceLineNo">462</span><a name="line.462"></a> -<span class="sourceLineNo">463</span> if (LOG.isDebugEnabled()) {<a name="line.463"></a> -<span class="sourceLineNo">464</span> LOG.debug(String.format("writing to table %s region %s column family %s and key %s",<a name="line.464"></a> -<span class="sourceLineNo">465</span> tableDesc.getTableName(), region.getRegionNameAsString(), column.getNameAsString(),<a name="line.465"></a> -<span class="sourceLineNo">466</span> Bytes.toStringBinary(rowToCheck)));<a name="line.466"></a> -<span class="sourceLineNo">467</span> }<a name="line.467"></a> -<span class="sourceLineNo">468</span> try {<a name="line.468"></a> -<span class="sourceLineNo">469</span> long startTime = System.currentTimeMillis();<a name="line.469"></a> -<span class="sourceLineNo">470</span> table.put(put);<a name="line.470"></a> -<span class="sourceLineNo">471</span> long time = System.currentTimeMillis() - startTime;<a name="line.471"></a> -<span class="sourceLineNo">472</span> this.readWriteLatency.add(time);<a name="line.472"></a> -<span class="sourceLineNo">473</span> sink.publishWriteTiming(serverName, region, column, time);<a name="line.473"></a> -<span class="sourceLineNo">474</span> } catch (Exception e) {<a name="line.474"></a> -<span class="sourceLineNo">475</span> sink.publishWriteFailure(serverName, region, column, e);<a name="line.475"></a> -<span class="sourceLineNo">476</span> }<a name="line.476"></a> -<span class="sourceLineNo">477</span> }<a name="line.477"></a> -<span class="sourceLineNo">478</span> table.close();<a name="line.478"></a> -<span class="sourceLineNo">479</span> } catch (IOException e) {<a name="line.479"></a> -<span class="sourceLineNo">480</span> sink.publishWriteFailure(serverName, region, e);<a name="line.480"></a> -<span class="sourceLineNo">481</span> sink.updateWriteFailedHostList(region, serverName.getHostname());<a name="line.481"></a> -<span class="sourceLineNo">482</span> }<a name="line.482"></a> -<span class="sourceLineNo">483</span> return null;<a name="line.483"></a> -<span class="sourceLineNo">484</span> }<a name="line.484"></a> -<span class="sourceLineNo">485</span> }<a name="line.485"></a> -<span class="sourceLineNo">486</span><a name="line.486"></a> -<span class="sourceLineNo">487</span> /**<a name="line.487"></a> -<span class="sourceLineNo">488</span> * Get one row from a region on the regionserver and outputs the latency, or the failure.<a name="line.488"></a> -<span class="sourceLineNo">489</span> */<a name="line.489"></a> -<span class="sourceLineNo">490</span> static class RegionServerTask implements Callable<Void> {<a name="line.490"></a> -<span class="sourceLineNo">491</span> private Connection connection;<a name="line.491"></a> -<span class="sourceLineNo">492</span> private String serverName;<a name="line.492"></a> -<span class="sourceLineNo">493</span> private HRegionInfo region;<a name="line.493"></a> -<span class="sourceLineNo">494</span> private ExtendedSink sink;<a name="line.494"></a> -<span class="sourceLineNo">495</span> private AtomicLong successes;<a name="line.495"></a> -<span class="sourceLineNo">496</span><a name="line.496"></a> -<span class="sourceLineNo">497</span> RegionServerTask(Connection connection, String serverName, HRegionInfo region,<a name="line.497"></a> -<span class="sourceLineNo">498</span> ExtendedSink sink, AtomicLong successes) {<a name="line.498"></a> -<span class="sourceLineNo">499</span> this.connection = connection;<a name="line.499"></a> -<span class="sourceLineNo">500</span> this.serverName = serverName;<a name="line.500"></a> -<span class="sourceLineNo">501</span> this.region = region;<a name="line.501"></a> -<span class="sourceLineNo">502</span> this.sink = sink;<a name="line.502"></a> -<span class="sourceLineNo">503</span> this.successes = successes;<a name="line.503"></a> -<span class="sourceLineNo">504</span> }<a name="line.504"></a> -<span class="sourceLineNo">505</span><a name="line.505"></a> -<span class="sourceLineNo">506</span> @Override<a name="line.506"></a> -<span class="sourceLineNo">507</span> public Void call() {<a name="line.507"></a> -<span class="sourceLineNo">508</span> TableName tableName = null;<a name="line.508"></a> -<span class="sourceLineNo">509</span> Table table = null;<a name="line.509"></a> -<span class="sourceLineNo">510</span> Get get = null;<a name="line.510"></a> -<span class="sourceLineNo">511</span> byte[] startKey = null;<a name="line.511"></a> -<span class="sourceLineNo">512</span> Scan scan = null;<a name="line.512"></a> -<span class="sourceLineNo">513</span> StopWatch stopWatch = new StopWatch();<a name="line.513"></a> -<span class="sourceLineNo">514</span> // monitor one region on every region server<a name="line.514"></a> -<span class="sourceLineNo">515</span> stopWatch.reset();<a name="line.515"></a> -<span class="sourceLineNo">516</span> try {<a name="line.516"></a> -<span class="sourceLineNo">517</span> tableName = region.getTable();<a name="line.517"></a> -<span class="sourceLineNo">518</span> table = connection.getTable(tableName);<a name="line.518"></a> -<span class="sourceLineNo">519</span> startKey = region.getStartKey();<a name="line.519"></a> -<span class="sourceLineNo">520</span> // Can't do a get on empty start row so do a Scan of first element if any instead.<a name="line.520"></a> -<span class="sourceLineNo">521</span> if (LOG.isDebugEnabled()) {<a name="line.521"></a> -<span class="sourceLineNo">522</span> LOG.debug(String.format("reading from region server %s table %s region %s and key %s",<a name="line.522"></a> -<span class="sourceLineNo">523</span> serverName, region.getTable(), region.getRegionNameAsString(),<a name="line.523"></a> -<span class="sourceLineNo">524</span> Bytes.toStringBinary(startKey)));<a name="line.524"></a> -<span class="sourceLineNo">525</span> }<a name="line.525"></a> -<span class="sourceLineNo">526</span> if (startKey.length > 0) {<a name="line.526"></a> -<span class="sourceLineNo">527</span> get = new Get(startKey);<a name="line.527"></a> -<span class="sourceLineNo">528</span> get.setCacheBlocks(false);<a name="line.528"></a> -<span class="sourceLineNo">529</span> get.setFilter(new FirstKeyOnlyFilter());<a name="line.529"></a> -<span class="sourceLineNo">530</span> stopWatch.start();<a name="line.530"></a> -<span class="sourceLineNo">531</span> table.get(get);<a name="line.531"></a> -<span class="sourceLineNo">532</span> stopWatch.stop();<a name="line.532"></a> -<span class="sourceLineNo">533</span> } else {<a name="line.533"></a> -<span class="sourceLineNo">534</span> scan = new Scan();<a name="line.534"></a> -<span class="sourceLineNo">535</span> scan.setCacheBlocks(false);<a name="line.535"></a> -<span class="sourceLineNo">536</span> scan.setFilter(new FirstKeyOnlyFilter());<a name="line.536"></a> -<span class="sourceLineNo">537</span> scan.setCaching(1);<a name="line.537"></a> -<span class="sourceLineNo">538</span> scan.setMaxResultSize(1L);<a name="line.538"></a> -<span class="sourceLineNo">539</span> scan.setOneRowLimit();<a name="line.539"></a> -<span class="sourceLineNo">540</span> stopWatch.start();<a name="line.540"></a> -<span class="sourceLineNo">541</span> ResultScanner s = table.getScanner(scan);<a name="line.541"></a> -<span class="sourceLineNo">542</span> s.next();<a name="line.542"></a> -<span class="sourceLineNo">543</span> s.close();<a name="line.543"></a> -<span class="sourceLineNo">544</span> stopWatch.stop();<a name="line.544"></a> -<span class="sourceLineNo">545</span> }<a name="line.545"></a> -<span class="sourceLineNo">546</span> successes.incrementAndGet();<a name="line.546"></a> -<span class="sourceLineNo">547</span> sink.publishReadTiming(tableName.getNameAsString(), serverName, stopWatch.getTime());<a name="line.547"></a> -<span class="sourceLineNo">548</span> } catch (TableNotFoundException tnfe) {<a name="line.548"></a> -<span class="sourceLineNo">549</span> LOG.error("Table may be deleted", tnfe);<a name="line.549"></a> -<span class="sourceLineNo">550</span> // This is ignored because it doesn't imply that the regionserver is dead<a name="line.550"></a> -<span class="sourceLineNo">551</span> } catch (TableNotEnabledException tnee) {<a name="line.551"></a> -<span class="sourceLineNo">552</span> // This is considered a success since we got a response.<a name="line.552"></a> -<span class="sourceLineNo">553</span> successes.incrementAndGet();<a name="line.553"></a> -<span class="sourceLineNo">554</span> LOG.debug("The targeted table was disabled. Assuming success.");<a name="line.554"></a> -<span class="sourceLineNo">555</span> } catch (DoNotRetryIOException dnrioe) {<a name="line.555"></a> -<span class="sourceLineNo">556</span> sink.publishReadFailure(tableName.getNameAsString(), serverName);<a name="line.556"></a> -<span class="sourceLineNo">557</span> LOG.error(dnrioe);<a name="line.557"></a> -<span class="sourceLineNo">558</span> } catch (IOException e) {<a name="line.558"></a> -<span class="sourceLineNo">559</span> sink.publishReadFailure(tableName.getNameAsString(), serverName);<a name="line.559"></a> -<span class="sourceLineNo">560</span> LOG.error(e);<a name="line.560"></a> -<span class="sourceLineNo">561</span> } finally {<a name="line.561"></a> -<span class="sourceLineNo">562</span> if (table != null) {<a name="line.562"></a> -<span class="sourceLineNo">563</span> try {<a name="line.563"></a> -<span class="sourceLineNo">564</span> table.close();<a name="line.564"></a> -<span class="sourceLineNo">565</span> } catch (IOException e) {/* DO NOTHING */<a name="line.565"></a> -<span class="sourceLineNo">566</span> LOG.error("Close table failed", e);<a name="line.566"></a> -<span class="sourceLineNo">567</span> }<a name="line.567"></a> -<span class="sourceLineNo">568</span> }<a name="line.568"></a> -<span class="sourceLineNo">569</span> scan = null;<a name="line.569"></a> -<span class="sourceLineNo">570</span> get = null;<a name="line.570"></a> -<span class="sourceLineNo">571</span> startKey = null;<a name="line.571"></a> -<span class="sourceLineNo">572</span> }<a name="line.572"></a> -<span class="sourceLineNo">573</span> return null;<a name="line.573"></a> -<span class="sourceLineNo">574</span> }<a name="line.574"></a> -<span class="sourceLineNo">575</span> }<a name="line.575"></a> -<span class="sourceLineNo">576</span><a name="line.576"></a> -<span class="sourceLineNo">577</span> private static final int USAGE_EXIT_CODE = 1;<a name="line.577"></a> -<span class="sourceLineNo">578</span> private static final int INIT_ERROR_EXIT_CODE = 2;<a name="line.578"></a> -<span class="sourceLineNo">579</span> private static final int TIMEOUT_ERROR_EXIT_CODE = 3;<a name="line.579"></a> -<span class="sourceLineNo">580</span> private static final int ERROR_EXIT_CODE = 4;<a name="line.580"></a> -<span class="sourceLineNo">581</span> private static final int FAILURE_EXIT_CODE = 5;<a name="line.581"></a> -<span class="sourceLineNo">582</span><a name="line.582"></a> -<span class="sourceLineNo">583</span> private static final long DEFAULT_INTERVAL = 6000;<a name="line.583"></a> -<span class="sourceLineNo">584</span><a name="line.584"></a> -<span class="sourceLineNo">585</span> private static final long DEFAULT_TIMEOUT = 600000; // 10 mins<a name="line.585"></a> -<span class="sourceLineNo">586</span> private static final int MAX_THREADS_NUM = 16; // #threads to contact regions<a name="line.586"></a> -<span class="sourceLineNo">587</span><a name="line.587"></a> -<span class="sourceLineNo">588</span> private static final Log LOG = LogFactory.getLog(Canary.class);<a name="line.588"></a> -<span class="sourceLineNo">589</span><a name="line.589"></a> -<span class="sourceLineNo">590</span> public static final TableName DEFAULT_WRITE_TABLE_NAME = TableName.valueOf(<a name="line.590"></a> -<span class="sourceLineNo">591</span> NamespaceDescriptor.SYSTEM_NAMESPACE_NAME_STR, "canary");<a name="line.591"></a> -<span class="sourceLineNo">592</span><a name="line.592"></a> -<span class="sourceLineNo">593</span> private static final String CANARY_TABLE_FAMILY_NAME = "Test";<a name="line.593"></a> -<span class="sourceLineNo">594</span><a name="line.594"></a> -<span class="sourceLineNo">595</span> private Configuration conf = null;<a name="line.595"></a> -<span class="sourceLineNo">596</span> private long interval = 0;<a name="line.596"></a> -<span class="sourceLineNo">597</span> private Sink sink = null;<a name="line.597"></a> -<span class="sourceLineNo">598</span><a name="line.598"></a> -<span class="sourceLineNo">599</span> private boolean useRegExp;<a name="line.599"></a> -<span class="sourceLineNo">600</span> private long timeout = DEFAULT_TIMEOUT;<a name="line.600"></a> -<span class="sourceLineNo">601</span> private boolean failOnError = true;<a name="line.601"></a> -<span class="sourceLineNo">602</span> private boolean regionServerMode = false;<a name="line.602"></a> -<span class="sourceLineNo">603</span> private boolean zookeeperMode = false;<a name="line.603"></a> -<span class="sourceLineNo">604</span> private boolean regionServerAllRegions = false;<a name="line.604"></a> -<span class="sourceLineNo">605</span> private boolean writeSniffing = false;<a name="line.605"></a> -<span class="sourceLineNo">606</span> private long configuredWriteTableTimeout = DEFAULT_TIMEOUT;<a name="line.606"></a> -<span class="sourceLineNo">607</span> private boolean treatFailureAsError = false;<a name="line.607"></a> -<span class="sourceLineNo">608</span> private TableName writeTableName = DEFAULT_WRITE_TABLE_NAME;<a name="line.608"></a> -<span class="sourceLineNo">609</span> private HashMap<String, Long> configuredReadTableTimeouts = new HashMap<>();<a name="line.609"></a> -<span class="sourceLineNo">610</span><a name="line.610"></a> -<span class="sourceLineNo">611</span> private ExecutorService executor; // threads to retrieve data from regionservers<a name="line.611"></a> -<span class="sourceLineNo">612</span><a name="line.612"></a> -<span class="sourceLineNo">613</span> public Canary() {<a name="line.613"></a> -<span class="sourceLineNo">614</span> this(new ScheduledThreadPoolExecutor(1), new RegionServerStdOutSink());<a name="line.614"></a> -<span class="sourceLineNo">615</span> }<a name="line.615"></a> -<span class="sourceLineNo">616</span><a name="line.616"></a> -<span class="sourceLineNo">617</span> public Canary(ExecutorService executor, Sink sink) {<a name="line.617"></a> -<span class="sourceLineNo">618</span> this.executor = executor;<a name="line.618"></a> -<span class="sourceLineNo">619</span> this.sink = sink;<a name="line.619"></a> -<span class="sourceLineNo">620</span> }<a name="line.620"></a> -<span class="sourceLineNo">621</span><a name="line.621"></a> -<span class="sourceLineNo">622</span> @Override<a name="line.622"></a> -<span class="sourceLineNo">623</span> public Configuration getConf() {<a name="line.623"></a> -<span class="sourceLineNo">624</span> return conf;<a name="line.624"></a> -<span class="sourceLineNo">625</span> }<a name="line.625"></a> -<span class="sourceLineNo">626</span><a name="line.626"></a> -<span class="sourceLineNo">627</span> @Override<a name="line.627"></a> -<span class="sourceLineNo">628</span> public void setConf(Configuration conf) {<a name="line.628"></a> -<span class="sourceLineNo">629</span> this.conf = conf;<a name="line.629"></a> -<span class="sourceLineNo">630</span> }<a name="line.630"></a> -<span class="sourceLineNo">631</span><a name="line.631"></a> -<span class="sourceLineNo">632</span> private int parseArgs(String[] args) {<a name="line.632"></a> -<span class="sourceLineNo">633</span> int index = -1;<a name="line.633"></a> -<span class="sourceLineNo">634</span> // Process command line args<a name="line.634"></a> -<span class="sourceLineNo">635</span> for (int i = 0; i < args.length; i++) {<a name="line.635"></a> -<span class="sourceLineNo">636</span> String cmd = args[i];<a name="line.636"></a> -<span class="sourceLineNo">637</span><a name="line.637"></a> -<span class="sourceLineNo">638</span> if (cmd.startsWith("-")) {<a name="line.638"></a> -<span class="sourceLineNo">639</span> if (index >= 0) {<a name="line.639"></a> -<span class="sourceLineNo">640</span> // command line args must be in the form: [opts] [table 1 [table 2 ...]]<a name="line.640"></a> -<span class="sourceLineNo">641</span> System.err.println("Invalid command line options");<a name="line.641"></a> -<span class="sourceLineNo">642</span> printUsageAndExit();<a name="line.642"></a> -<span class="sourceLineNo">643</span> }<a name="line.643"></a> -<span class="sourceLineNo">644</span><a name="line.644"></a> -<span class="sourceLineNo">645</span> if (cmd.equals("-help")) {<a name="line.645"></a> -<span class="sourceLineNo">646</span> // user asked for help, print the help and quit.<a name="line.646"></a> -<span class="sourceLineNo">647</span> printUsageAndExit();<a name="line.647"></a> -<span class="sourceLineNo">648</span> } else if (cmd.equals("-daemon") && interval == 0) {<a name="line.648"></a> -<span class="sourceLineNo">649</span> // user asked for daemon mode, set a default interval between checks<a name="line.649"></a> -<span class="sourceLineNo">650</span> interval = DEFAULT_INTERVAL;<a name="line.650"></a> -<span class="sourceLineNo">651</span> } else if (cmd.equals("-interval")) {<a name="line.651"></a> -<span class="sourceLineNo">652</span> // user has specified an interval for canary breaths (-interval N)<a name="line.652"></a> -<span class="sourceLineNo">653</span> i++;<a name="line.653"></a> -<span class="sourceLineNo">654</span><a name="line.654"></a> -<span class="sourceLineNo">655</span> if (i == args.length) {<a name="line.655"></a> -<span class="sourceLineNo">656</span> System.err.println("-interval needs a numeric value argument.");<a name="line.656"></a> -<span class="sourceLineNo">657</span> printUsageAndExit();<a name="line.657"></a> -<span class="sourceLineNo">658</span> }<a name="line.658"></a> -<span class="sourceLineNo">659</span><a name="line.659"></a> -<span class="sourceLineNo">660</span> try {<a name="line.660"></a> -<span class="sourceLineNo">661</span> interval = Long.parseLong(args[i]) * 1000;<a name="line.661"></a> -<span class="sourceLineNo">662</span> } catch (NumberFormatException e) {<a name="line.662"></a> -<span class="sourceLineNo">663</span> System.err.println("-interval needs a numeric value argument.");<a name="line.663"></a> -<span class="sourceLineNo">664</span> printUsageAndExit();<a name="line.664"></a> -<span class="sourceLineNo">665</span> }<a name="line.665"></a> -<span class="sourceLineNo">666</span> } else if (cmd.equals("-zookeeper")) {<a name="line.666"></a> -<span class="sourceLineNo">667</span> this.zookeeperMode = true;<a name="line.667"></a> -<span class="sourceLineNo">668</span> } else if(cmd.equals("-regionserver")) {<a name="line.668"></a> -<span class="sourceLineNo">669</span> this.regionServerMode = true;<a name="line.669"></a> -<span class="sourceLineNo">670</span> } else if(cmd.equals("-allRegions")) {<a name="line.670"></a> -<span class="sourceLineNo">671</span> this.regionServerAllRegions = true;<a name="line.671"></a> -<span class="sourceLineNo">672</span> } else if(cmd.equals("-writeSniffing")) {<a name="line.672"></a> -<span class="sourceLineNo">673</span> this.writeSniffing = true;<a name="line.673"></a> -<span class="sourceLineNo">674</span> } else if(cmd.equals("-treatFailureAsError")) {<a name="line.674"></a> -<span class="sourceLineNo">675</span> this.treatFailureAsError = true;<a name="line.675"></a> -<span class="sourceLineNo">676</span> } else if (cmd.equals("-e")) {<a name="line.676"></a> -<span class="sourceLineNo">677</span> this.useRegExp = true;<a name="line.677"></a> -<span class="sourceLineNo">678</span> } else if (cmd.equals("-t")) {<a name="line.678"></a> -<span class="sourceLineNo">679</span> i++;<a name="line.679"></a> -<span class="sourceLineNo">680</span><a name="line.680"></a> -<span class="sourceLineNo">681</span> if (i == args.length) {<a name="line.681"></a> -<span class="sourceLineNo">682</span> System.err.println("-t needs a numeric value argument.");<a name="line.682"></a> -<span class="sourceLineNo">683</span> printUsageAndExit();<a name="line.683"></a> -<span class="sourceLineNo">684</span> }<a name="line.684"></a> -<span class="sourceLineNo">685</span><a name="line.685"></a> -<span class="sourceLineNo">686</span> try {<a name="line.686"></a> -<span class="sourceLineNo">687</span> this.timeout = Long.parseLong(args[i]);<a name="line.687"></a> -<span class="sourceLineNo">688</span> } catch (NumberFormatException e) {<a name="line.688"></a> -<span class="sourceLineNo">689</span> System.err.println("-t needs a numeric value argument.");<a name="line.689"></a> -<span class="sourceLineNo">690</span> printUsageAndExit();<a name="line.690"></a> -<span class="sourceLineNo">691</span> }<a name="line.691"></a> -<span class="sourceLineNo">692</span> } else if(cmd.equals("-writeTableTimeout")) {<a name="line.692"></a> -<span class="sourceLineNo">693</span> i++;<a name="line.693"></a> -<span class="sourceLineNo">694</span><a name="line.694"></a> -<span class="sourceLineNo">695</span> if (i == args.length) {<a name="line.695"></a> -<span class="sourceLineNo">696</span> System.err.println("-writeTableTimeout needs a numeric value argument.");<a name="line.696"></a> -<span class="sourceLineNo">697</span> printUsageAndExit();<a name="line.697"></a> -<span class="sourceLineNo">698</span> }<a name="line.698"></a> -<span class="sourceLineNo">699</span><a name="line.699"></a> -<span class="sourceLineNo">700</span> try {<a name="line.700"></a> -<span class="sourceLineNo">701</span> this.configuredWriteTableTimeout = Long.parseLong(args[i]);<a name="line.701"></a> -<span class="sourceLineNo">702</span> } catch (NumberFormatException e) {<a name="line.702"></a> -<span class="sourceLineNo">703</span> System.err.println("-writeTableTimeout needs a numeric value argument.");<a name="line.703"></a> -<span class="sourceLineNo">704</span> printUsageAndExit();<a name="line.704"></a> -<span class="sourceLineNo">705</span> }<a name="line.705"></a> -<span class="sourceLineNo">706</span> } else if (cmd.equals("-writeTable")) {<a name="line.706"></a> -<span class="sourceLineNo">707</span> i++;<a name="line.707"></a> -<span class="sourceLineNo">708</span><a name="line.708"></a> -<span class="sourceLineNo">709</span> if (i == args.length) {<a name="line.709"></a> -<span class="sourceLineNo">710</span> System.err.println("-writeTable needs a string value argument.");<a name="line.710"></a> -<span class="sourceLineNo">711</span> printUsageAndExit();<a name="line.711"></a> -<span class="sourceLineNo">712</span> }<a name="line.712"></a> -<span class="sourceLineNo">713</span> this.writeTableName = TableName.valueOf(args[i]);<a name="line.713"></a> -<span class="sourceLineNo">714</span> } else if (cmd.equals("-f")) {<a name="line.714"></a> -<span class="sourceLineNo">715</span> i++;<a name="line.715"></a> -<span class="sourceLineNo">716</span><a name="line.716"></a> -<span class="sourceLineNo">717</span> if (i == args.length) {<a name="line.717"></a> -<span class="sourceLineNo">718</span> System.err<a name="line.718"></a> -<span class="sourceLineNo">719</span> .println("-f needs a boolean value argument (true|false).");<a name="line.719"></a> -<span class="sourceLineNo">720</span> printUsageAndExit();<a name="line.720"></a> -<span class="sourceLineNo">721</span> }<a name="line.721"></a> -<span class="sourceLineNo">722</span><a name="line.722"></a> -<span class="sourceLineNo">723</span> this.failOnError = Boolean.parseBoolean(args[i]);<a name="line.723"></a> -<span class="sourceLineNo">724</span> } else if (cmd.equals("-readTableTimeouts")) {<a name="line.724"></a> -<span class="sourceLineNo">725</span> i++;<a name="line.725"></a> -<span class="sourceLineNo">726</span><a name="line.726"></a> -<span class="sourceLineNo">727</span> if (i == args.length) {<a name="line.727"></a> -<span class="sourceLineNo">728</span> System.err.println("-readTableTimeouts needs a comma-separated list of read timeouts per table (without spaces).");<a name="line.728"></a> -<span class="sourceLineNo">729</span> printUsageAndExit();<a name="line.729"></a> -<span class="sourceLineNo">730</span> }<a name="line.730"></a> -<span class="sourceLineNo">731</span> String [] tableTimeouts = args[i].split(",");<a name="line.731"></a> -<span class="sourceLineNo">732</span> for (String tT: tableTimeouts) {<a name="line.732"></a> -<span class="sourceLineNo">733</span> String [] nameTimeout = tT.split("=");<a name="line.733"></a> -<span class="sourceLineNo">734</span> if (nameTimeout.length < 2) {<a name="line.734"></a> -<span class="sourceLineNo">735</span> System.err.println("Each -readTableTimeouts argument must be of the form <tableName>=<read timeout>.");<a name="line.735"></a> -<span class="sourceLineNo">736</span> printUsageAndExit();<a name="line.736"></a> -<span class="sourceLineNo">737</span> }<a name="line.737"></a> -<span class="sourceLineNo">738</span> long timeoutVal = 0L;<a name="line.738"></a> -<span class="sourceLineNo">739</span> try {<a name="line.739"></a> -<span class="sourceLineNo">740</span> timeoutVal = Long.parseLong(nameTimeout[1]);<a name="line.740"></a> -<span class="sourceLineNo">741</span> } catch (NumberFormatException e) {<a name="line.741"></a> -<span class="sourceLineNo">742</span> System.err.println("-readTableTimeouts read timeout for each table must be a numeric value argument.");<a name="line.742"></a> -<span class="sourceLineNo">743</span> printUsageAndExit();<a name="line.743"></a> -<span class="sourceLineNo">744</span> }<a name="line.744"></a> -<span class="sourceLineNo">745</span> this.configuredReadTableTimeouts.put(nameTimeout[0], timeoutVal);<a name="line.745"></a> -<span class="sourceLineNo">746</span> }<a name="line.746"></a> -<span class="sourceLineNo">747</span> } else {<a name="line.747"></a> -<span class="sourceLineNo">748</span> // no options match<a name="line.748"></a> -<span class="sourceLineNo">749</span> System.err.println(cmd + " options is invalid.");<a name="line.749"></a> -<span class="sourceLineNo">750</span> printUsageAndExit();<a name="line.750"></a> -<span class="sourceLineNo">751</span> }<a name="line.751"></a> -<span class="sourceLineNo">752</span> } else if (index < 0) {<a name="line.752"></a> -<span class="sourceLineNo">753</span> // keep track of first table name specified by the user<a name="line.753"></a> -<span class="sourceLineNo">754</span> index = i;<a name="line.754"></a> -<span class="sourceLineNo">755</span> }<a name="line.755"></a> -<span class="sourceLineNo">756</span> }<a name="line.756"></a> -<span class="sourceLineNo">757</span> if (this.regionServerAllRegions && !this.regionServerMode) {<a name="line.757"></a> -<span class="sourceLineNo">758</span> System.err.println("-allRegions can only be specified in regionserver mode.");<a name="line.758"></a> -<span class="sourceLineNo">759</span> printUsageAndExit();<a name="line.759"></a> -<span class="sourceLineNo">760</span> }<a name="line.760"></a> -<span class="sourceLineNo">761</span> if (this.zookeeperMode) {<a name="line.761"></a> -<span class="sourceLineNo">762</span> if (this.regionServerMode || this.regionServerAllRegions || this.writeSniffing) {<a name="line.762"></a> -<span class="sourceLineNo">763</span> System.err.println("-zookeeper is exclusive and cannot be combined with "<a name="line.763"></a> -<span class="sourceLineNo">764</span> + "other modes.");<a name="line.764"></a> -<span class="sourceLineNo">765</span> printUsageAndExit();<a name="line.765"></a> -<span class="sourceLineNo">766</span> }<a name="line.766"></a> -<span class="sourceLineNo">767</span> }<a name="line.767"></a> -<span class="sourceLineNo">768</span> if (!this.configuredReadTableTimeouts.isEmpty() && (this.regionServerMode || this.zookeeperMode)) {<a name="line.768"></a> -<span class="sourceLineNo">769</span> System.err.println("-readTableTimeouts can only be configured in region mode.");<a name="line.769"></a> -<span class="sourceLineNo">770</span> printUsageAndExit();<a name="line.770"></a> -<span class="sourceLineNo">771</span> }<a name="line.771"></a> -<span class="sourceLineNo">772</span> return index;<a name="line.772"></a> -<span class="sourceLineNo">773</span> }<a name="line.773"></a> -<span class="sourceLineNo">774</span><a name="line.774"></a> -<span class="sourceLineNo">775</span> @Override<a name="line.775"></a> -<span class="sourceLineNo">776</span> public int run(String[] args) throws Exception {<a name="line.776"></a> -<span class="sourceLineNo">777</span> int index = parseArgs(args);<a name="line.777"></a> -<span class="sourceLineNo">778</span> ChoreService choreService = null;<a name="line.778"></a> -<span class="sourceLineNo">779</span><a name="line.779"></a> -<span class="sourceLineNo">780</span> // Launches chore for refreshing kerberos credentials if security is enabled.<a name="line.780"></a> -<span class="sourceLineNo">781</span> // Please see http://hbase.apache.org/book.html#_running_canary_in_a_kerberos_enabled_cluster<a name="line.781"></a> -<span class="sourceLineNo">782</span> // for more details.<a name="line.782"></a> -<span class="sourceLineNo">783</span> final ScheduledChore authChore = AuthUtil.getAuthChore(conf);<a name="line.783"></a> -<span class="sourceLineNo">784</span> if (authChore != null) {<a name="line.784"></a> -<span class="sourceLineNo">785</span> choreService = new ChoreService("CANARY_TOOL");<a name="line.785"></a> -<span class="sourceLineNo">786</span> choreService.scheduleChore(authChore);<a name="line.786"></a> -<span class="sourceLineNo">787</span> }<a name="line.787"></a> -<span class="sourceLineNo">788</span><a name="line.788"></a> -<span class="sourceLineNo">789</span> // Start to prepare the stuffs<a name="line.789"></a> -<span class="sourceLineNo">790</span> Monitor monitor = null;<a name="line.790"></a> -<span class="sourceLineNo">791</span> Thread monitorThread = null;<a name="line.791"></a> -<span class="sourceLineNo">792</span> long startTime = 0;<a name="line.792"></a> -<span class="sourceLineNo">793</span> long currentTimeLength = 0;<a name="line.793"></a> -<span class="sourceLineNo">794</span> // Get a connection to use in below.<a name="line.794"></a> -<span class="sourceLineNo">795</span> try (Connection connection = ConnectionFactory.createConnection(this.conf)) {<a name="line.795"></a> -<span class="sourceLineNo">796</span> do {<a name="line.796"></a> -<span class="sourceLineNo">797</span> // Do monitor !!<a name="line.797"></a> -<span class="sourceLineNo">798</span> try {<a name="line.798"></a> -<span class="sourceLineNo">799</span> monitor = this.newMonitor(connection, index, args);<a name="line.799"></a> -<span class="sourceLineNo">800</span> monitorThread = new Thread(monitor, "CanaryMonitor-" + System.currentTimeMillis());<a name="line.800"></a> -<span class="sourceLineNo">801</span> startTime = System.currentTimeMillis();<a name="line.801"></a> -<span class="sourceLineNo">802</span> monitorThread.start();<a name="line.802"></a> -<span class="sourceLineNo">803</span> while (!monitor.isDone()) {<a name="line.803"></a> -<span class="sourceLineNo">804</span> // wait for 1 sec<a name="line.804"></a> -<span class="sourceLineNo">805</span> Thread.sleep(1000);<a name="line.805"></a> -<span class="sourceLineNo">806</span> // exit if any error occurs<a name="line.806"></a> -<span class="sourceLineNo">807</span> if (this.failOnError && monitor.hasError()) {<a name="line.807"></a> -<span class="sourceLineNo">808</span> monitorThread.interrupt();<a name="line.808"></a> -<span class="sourceLineNo">809</span> if (monitor.initialized) {<a name="line.809"></a> -<span class="sourceLineNo">810</span> return monitor.errorCode;<a name="line.810"></a> -<span class="sourceLineNo">811</span> } else {<a name="line.811"></a> -<span class="sourceLineNo">812</span> return INIT_ERROR_EXIT_CODE;<a name="line.812"></a> -<span class="sourceLineNo">813</span> }<a name="line.813"></a> -<span class="sourceLineNo">814</span> }<a name="line.814"></a> -<span class="sourceLineNo">815</span> currentTimeLength = System.currentTimeMillis() - startTime;<a name="line.815"></a> -<span class="sourceLineNo">816</span> if (currentTimeLength > this.timeout) {<a name="line.816"></a> -<span class="sourceLineNo">817</span> LOG.error("The monitor is running too long (" + currentTimeLength<a name="line.817"></a> -<span class="sourceLineNo">818</span> + ") after timeout limit:" + this.timeout<a name="line.818"></a> -<span class="sourceLineNo">819</span> + " will be killed itself !!");<a name="line.819"></a> -<span class="sourceLineNo">820</span> if (monitor.initialized) {<a name="line.820"></a> -<span class="sourceLineNo">821</span> return TIMEOUT_ERROR_EXIT_CODE;<a name="line.821"></a> -<span class="sourceLineNo">822</span> } else {<a name="line.822"></a> -<span class="sourceLineNo">823</span> return INIT_ERROR_EXIT_CODE;<a name="line.823"></a> -<span class="sourceLineNo">824</span> }<a name="line.824"></a> -<span class="sourceLineNo">825</span> }<a name="line.825"></a> -<span class="sourceLineNo">826</span> }<a name="line.826"></a> -<span class="sourceLineNo">827</span><a name="line.827"></a> -<span class="sourceLineNo">828</span> if (this.failOnError && monitor.finalCheckForErrors()) {<a name="line.828"></a> -<span class="sourceLineNo">829</span> monitorThread.interrupt();<a name="line.829"></a> -<span class="sourceLineNo">830</span> return monitor.errorCode;<a name="line.830"></a> -<span class="sourceLineNo">831</span> }<a name="line.831"></a> -<span class="sourceLineNo">832</span> } finally {<a name="line.832"></a> -<span class="sourceLineNo">833</span> if (monitor != null) monitor.close();<a name="line.833"></a> -<span class="sourceLineNo">834</span> }<a name="line.834"></a> -<span class="sourceLineNo">835</span><a name="line.835"></a> -<span class="sourceLineNo">836</span> Thread.sleep(interval);<a name="line.836"></a> -<span class="sourceLineNo">837</span> } while (interval > 0);<a name="line.837"></a> -<span class="sourceLineNo">838</span> } // try-with-resources close<a name="line.838"></a> -<span class="sourceLineNo">839</span><a name="line.839"></a> -<span class="sourceLineNo">840</span> if (choreService != null) {<a name="line.840"></a> -<span class="sourceLineNo">841</span> choreService.shutdown();<a name="line.841"></a> -<span class="sourceLineNo">842</span> }<a name="line.842"></a> -<span class="sourceLineNo">843</span> return monitor.errorCode;<a name="line.843"></a> -<span class="sourceLineNo">844</span> }<a name="line.844"></a> -<span class="sourceLineNo">845</span><a name="line.845"></a> -<span class="sourceLineNo">846</span> public Map<String, String> getReadFailures() {<a name="line.846"></a> -<span class="sourceLineNo">847</span> return sink.getReadFailures();<a name="line.847"></a> -<span class="sourceLineNo">848</span> }<a name="line.848"></a> -<span class="sourceLineNo">849</span><a name="line.849"></a> -<span class="sourceLineNo">850</span> public Map<String, String> getWriteFailures() {<a name="line.850"></a> -<span class="sourceLineNo">851</span> return sink.getWriteFailures();<a name="line.851"></a> -<span class="sourceLineNo">852</span> }<a name="line.852"></a> -<span class="sourceLineNo">853</span><a name="line.853"></a> -<span class="sourceLineNo">854</span> private void printUsageAndExit() {<a name="line.854"></a> -<span class="sourceLineNo">855</span> System.err.printf(<a name="line.855"></a> -<span class="sourceLineNo">856</span> "Usage: hbase %s [opts] [table1 [table2]...] | [regionserver1 [regionserver2]..]%n",<a name="line.856"></a> -<span class="sourceLineNo">857</span> getClass().getName());<a name="line.857"></a> -<span class="sourceLineNo">858</span> System.err.println(" where [opts] are:");<a name="line.858"></a> -<span class="sourceLineNo">859</span> System.err.println(" -help Show this help and exit.");<a name="line.859"></a> -<span class="sourceLineNo">860</span> System.err.println(" -regionserver replace the table argument to regionserver,");<a name="line.860"></a> -<span class="sourceLineNo">861</span> System.err.println(" which means to enable regionserver mode");<a name="line.861"></a> -<span class="sourceLineNo">862</span> System.err.println(" -allRegions Tries all regions on a regionserver,");<a name="line.862"></a> -<span class="sourceLineNo">863</span> System.err.println(" only works in regionserver mode.");<a name="line.863"></a> -<span class="sourceLineNo">864</span> System.err.println(" -zookeeper Tries to grab zookeeper.znode.parent ");<a name="line.864"></a> -<span class="sourceLineNo">865</span> System.err.println(" on each zookeeper instance");<a name="line.865"></a> -<span class="sourceLineNo">866</span> System.err.println(" -daemon Continuous check at defined intervals.");<a name="line.866"></a> -<span class="sourceLineNo">867</span> System.err.println(" -interval <N> Interval between checks (sec)");<a name="line.867"></a> -<span class="sourceLineNo">868</span> System.err.println(" -e Use table/regionserver as regular expression");<a name="line.868"></a> -<span class="sourceLineNo">869</span> System.err.println(" which means the table/regionserver is regular expression pattern");<a name="line.869"></a> -<span class="sourceLineNo">870</span> System.err.println(" -f <B> stop whole program if first error occurs," +<a name="line.870"></a> -<span class="sourceLineNo">871</span> " default is true");<a name="line.871"></a> -<span class="sourceLineNo">872</span> System.err.println(" -t <N> timeout for a check, default is 600000 (millisecs)");<a name="line.872"></a> -<span class="sourceLineNo">873</span> System.err.println(" -writeTableTimeout <N> write timeout for the writeTable, default is 600000 (millisecs)");<a name="line.873"></a> -<span class="sourceLineNo">874</span> System.err.println(" -readTableTimeouts <tableName>=<read timeout>,<tableName>=<read timeout>, ... "<a name="line.874"></a> -<span class="sourceLineNo">875</span> + "comma-separated list of read timeouts per table (no spaces), default is 600000 (millisecs)");<a name="line.875"></a> -<span class="sourceLineNo">876</span> System.err.println(" -writeSniffing enable the write sniffing in canary");<a name="line.876"></a> -<span class="sourceLineNo">877</span> System.err.println(" -treatFailureAsError treats read / write failure as error");<a name="line.877"></a> -<span class="sourceLineNo">878</span> System.err.println(" -writeTable The table used for write sniffing."<a name="line.878"></a> -<span class="sourceLineNo">879</span> + " Default is hbase:canary");<a name="line.879"></a> -<span class="sourceLineNo">880</span> System.err.println(" -Dhbase.canary.read.raw.enabled=<true/false> Use this flag to enable or disable raw scan during read canary test"<a name="line.880"></a> -<span class="sourceLineNo">881</span> + " Default is false and raw is not enabled during scan");<a name="line.881"></a> -<span class="sourceLineNo">882</span> System.err<a name="line.882"></a> -<span class="sourceLineNo">883</span> .println(" -D<configProperty>=<value> assigning or override the configuration params");<a name="line.883"></a> -<span class="sourceLineNo">884</span> System.exit(USAGE_EXIT_CODE);<a name="line.884"></a> -<span class="sourceLineNo">885</span> }<a name="line.885"></a> -<span class="sourceLineNo">886</span><a name="line.886"></a> -<span class="sourceLineNo">887</span> /**<a name="line.887"></a> -<span class="sourceLineNo">888</span> * A Factory method for {@link Monitor}.<a name="line.888"></a> -<span class="sourceLineNo">889</span> * Can be overridden by user.<a name="line.889"></a> -<span class="sourceLineNo">890</span> * @param index a start index for monitor target<a name="line.890"></a> -<span class="sourceLineNo">891</span> * @param args args passed from user<a name="line.891"></a> -<span class="sourceLineNo">892</span> * @return a Monitor instance<a name="line.892"></a> -<span class="sourceLineNo">893</span> */<a name="line.893"></a> -<span class="sourceLineNo">894</span> public Monitor newMonitor(final Connection connection, int index, String[] args) {<a name="line.894"></a> -<span class="sourceLineNo">895</span> Monitor monitor = nu
<TRUNCATED>
