http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f6cc9224/devapidocs/src-html/org/apache/hadoop/hbase/tool/Canary.RegionServerMonitor.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/tool/Canary.RegionServerMonitor.html b/devapidocs/src-html/org/apache/hadoop/hbase/tool/Canary.RegionServerMonitor.html index dac2d4d..9c063a3 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/tool/Canary.RegionServerMonitor.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/tool/Canary.RegionServerMonitor.html @@ -102,1116 +102,1164 @@ <span class="sourceLineNo">094</span>public final class Canary implements Tool {<a name="line.94"></a> <span class="sourceLineNo">095</span> // Sink interface used by the canary to outputs information<a name="line.95"></a> <span class="sourceLineNo">096</span> public interface Sink {<a name="line.96"></a> -<span class="sourceLineNo">097</span> public void publishReadFailure(HRegionInfo region, Exception e);<a name="line.97"></a> -<span class="sourceLineNo">098</span> public void publishReadFailure(HRegionInfo region, HColumnDescriptor column, Exception e);<a name="line.98"></a> -<span class="sourceLineNo">099</span> public void publishReadTiming(HRegionInfo region, HColumnDescriptor column, long msTime);<a name="line.99"></a> -<span class="sourceLineNo">100</span> public void publishWriteFailure(HRegionInfo region, Exception e);<a name="line.100"></a> -<span class="sourceLineNo">101</span> public void publishWriteFailure(HRegionInfo region, HColumnDescriptor column, Exception e);<a name="line.101"></a> -<span class="sourceLineNo">102</span> public void publishWriteTiming(HRegionInfo region, HColumnDescriptor column, long msTime);<a name="line.102"></a> -<span class="sourceLineNo">103</span> }<a name="line.103"></a> -<span class="sourceLineNo">104</span> // new extended sink for output regionserver mode info<a name="line.104"></a> -<span class="sourceLineNo">105</span> // do not change the Sink interface directly due to maintaining the API<a name="line.105"></a> -<span class="sourceLineNo">106</span> public interface ExtendedSink extends Sink {<a name="line.106"></a> -<span class="sourceLineNo">107</span> public void publishReadFailure(String table, String server);<a name="line.107"></a> -<span class="sourceLineNo">108</span> public void publishReadTiming(String table, String server, long msTime);<a name="line.108"></a> -<span class="sourceLineNo">109</span> }<a name="line.109"></a> -<span class="sourceLineNo">110</span><a name="line.110"></a> -<span class="sourceLineNo">111</span> // Simple implementation of canary sink that allows to plot on<a name="line.111"></a> -<span class="sourceLineNo">112</span> // file or standard output timings or failures.<a name="line.112"></a> -<span class="sourceLineNo">113</span> public static class StdOutSink implements Sink {<a name="line.113"></a> -<span class="sourceLineNo">114</span> @Override<a name="line.114"></a> -<span class="sourceLineNo">115</span> public void publishReadFailure(HRegionInfo region, Exception e) {<a name="line.115"></a> -<span class="sourceLineNo">116</span> LOG.error(String.format("read from region %s failed", region.getRegionNameAsString()), e);<a name="line.116"></a> -<span class="sourceLineNo">117</span> }<a name="line.117"></a> -<span class="sourceLineNo">118</span><a name="line.118"></a> -<span class="sourceLineNo">119</span> @Override<a name="line.119"></a> -<span class="sourceLineNo">120</span> public void publishReadFailure(HRegionInfo region, HColumnDescriptor column, Exception e) {<a name="line.120"></a> -<span class="sourceLineNo">121</span> LOG.error(String.format("read from region %s column family %s failed",<a name="line.121"></a> -<span class="sourceLineNo">122</span> region.getRegionNameAsString(), column.getNameAsString()), e);<a name="line.122"></a> +<span class="sourceLineNo">097</span> public long getReadFailureCount();<a name="line.97"></a> +<span class="sourceLineNo">098</span> public long incReadFailureCount();<a name="line.98"></a> +<span class="sourceLineNo">099</span> public void publishReadFailure(HRegionInfo region, Exception e);<a name="line.99"></a> +<span class="sourceLineNo">100</span> public void publishReadFailure(HRegionInfo region, HColumnDescriptor column, Exception e);<a name="line.100"></a> +<span class="sourceLineNo">101</span> public void publishReadTiming(HRegionInfo region, HColumnDescriptor column, long msTime);<a name="line.101"></a> +<span class="sourceLineNo">102</span> public long getWriteFailureCount();<a name="line.102"></a> +<span class="sourceLineNo">103</span> public void publishWriteFailure(HRegionInfo region, Exception e);<a name="line.103"></a> +<span class="sourceLineNo">104</span> public void publishWriteFailure(HRegionInfo region, HColumnDescriptor column, Exception e);<a name="line.104"></a> +<span class="sourceLineNo">105</span> public void publishWriteTiming(HRegionInfo region, HColumnDescriptor column, long msTime);<a name="line.105"></a> +<span class="sourceLineNo">106</span> }<a name="line.106"></a> +<span class="sourceLineNo">107</span> // new extended sink for output regionserver mode info<a name="line.107"></a> +<span class="sourceLineNo">108</span> // do not change the Sink interface directly due to maintaining the API<a name="line.108"></a> +<span class="sourceLineNo">109</span> public interface ExtendedSink extends Sink {<a name="line.109"></a> +<span class="sourceLineNo">110</span> public void publishReadFailure(String table, String server);<a name="line.110"></a> +<span class="sourceLineNo">111</span> public void publishReadTiming(String table, String server, long msTime);<a name="line.111"></a> +<span class="sourceLineNo">112</span> }<a name="line.112"></a> +<span class="sourceLineNo">113</span><a name="line.113"></a> +<span class="sourceLineNo">114</span> // Simple implementation of canary sink that allows to plot on<a name="line.114"></a> +<span class="sourceLineNo">115</span> // file or standard output timings or failures.<a name="line.115"></a> +<span class="sourceLineNo">116</span> public static class StdOutSink implements Sink {<a name="line.116"></a> +<span class="sourceLineNo">117</span> private AtomicLong readFailureCount = new AtomicLong(0),<a name="line.117"></a> +<span class="sourceLineNo">118</span> writeFailureCount = new AtomicLong(0);<a name="line.118"></a> +<span class="sourceLineNo">119</span><a name="line.119"></a> +<span class="sourceLineNo">120</span> @Override<a name="line.120"></a> +<span class="sourceLineNo">121</span> public long getReadFailureCount() {<a name="line.121"></a> +<span class="sourceLineNo">122</span> return readFailureCount.get();<a name="line.122"></a> <span class="sourceLineNo">123</span> }<a name="line.123"></a> <span class="sourceLineNo">124</span><a name="line.124"></a> <span class="sourceLineNo">125</span> @Override<a name="line.125"></a> -<span class="sourceLineNo">126</span> public void publishReadTiming(HRegionInfo region, HColumnDescriptor column, long msTime) {<a name="line.126"></a> -<span class="sourceLineNo">127</span> LOG.info(String.format("read from region %s column family %s in %dms",<a name="line.127"></a> -<span class="sourceLineNo">128</span> region.getRegionNameAsString(), column.getNameAsString(), msTime));<a name="line.128"></a> -<span class="sourceLineNo">129</span> }<a name="line.129"></a> -<span class="sourceLineNo">130</span><a name="line.130"></a> -<span class="sourceLineNo">131</span> @Override<a name="line.131"></a> -<span class="sourceLineNo">132</span> public void publishWriteFailure(HRegionInfo region, Exception e) {<a name="line.132"></a> -<span class="sourceLineNo">133</span> LOG.error(String.format("write to region %s failed", region.getRegionNameAsString()), e);<a name="line.133"></a> +<span class="sourceLineNo">126</span> public long incReadFailureCount() {<a name="line.126"></a> +<span class="sourceLineNo">127</span> return readFailureCount.incrementAndGet();<a name="line.127"></a> +<span class="sourceLineNo">128</span> }<a name="line.128"></a> +<span class="sourceLineNo">129</span><a name="line.129"></a> +<span class="sourceLineNo">130</span> @Override<a name="line.130"></a> +<span class="sourceLineNo">131</span> public void publishReadFailure(HRegionInfo region, Exception e) {<a name="line.131"></a> +<span class="sourceLineNo">132</span> readFailureCount.incrementAndGet();<a name="line.132"></a> +<span class="sourceLineNo">133</span> LOG.error(String.format("read from region %s failed", region.getRegionNameAsString()), e);<a name="line.133"></a> <span class="sourceLineNo">134</span> }<a name="line.134"></a> <span class="sourceLineNo">135</span><a name="line.135"></a> <span class="sourceLineNo">136</span> @Override<a name="line.136"></a> -<span class="sourceLineNo">137</span> public void publishWriteFailure(HRegionInfo region, HColumnDescriptor column, Exception e) {<a name="line.137"></a> -<span class="sourceLineNo">138</span> LOG.error(String.format("write to region %s column family %s failed",<a name="line.138"></a> -<span class="sourceLineNo">139</span> region.getRegionNameAsString(), column.getNameAsString()), e);<a name="line.139"></a> -<span class="sourceLineNo">140</span> }<a name="line.140"></a> -<span class="sourceLineNo">141</span><a name="line.141"></a> -<span class="sourceLineNo">142</span> @Override<a name="line.142"></a> -<span class="sourceLineNo">143</span> public void publishWriteTiming(HRegionInfo region, HColumnDescriptor column, long msTime) {<a name="line.143"></a> -<span class="sourceLineNo">144</span> LOG.info(String.format("write to region %s column family %s in %dms",<a name="line.144"></a> -<span class="sourceLineNo">145</span> region.getRegionNameAsString(), column.getNameAsString(), msTime));<a name="line.145"></a> -<span class="sourceLineNo">146</span> }<a name="line.146"></a> -<span class="sourceLineNo">147</span> }<a name="line.147"></a> -<span class="sourceLineNo">148</span> // a ExtendedSink implementation<a name="line.148"></a> -<span class="sourceLineNo">149</span> public static class RegionServerStdOutSink extends StdOutSink implements ExtendedSink {<a name="line.149"></a> -<span class="sourceLineNo">150</span><a name="line.150"></a> -<span class="sourceLineNo">151</span> @Override<a name="line.151"></a> -<span class="sourceLineNo">152</span> public void publishReadFailure(String table, String server) {<a name="line.152"></a> -<span class="sourceLineNo">153</span> LOG.error(String.format("Read from table:%s on region server:%s", table, server));<a name="line.153"></a> -<span class="sourceLineNo">154</span> }<a name="line.154"></a> -<span class="sourceLineNo">155</span><a name="line.155"></a> -<span class="sourceLineNo">156</span> @Override<a name="line.156"></a> -<span class="sourceLineNo">157</span> public void publishReadTiming(String table, String server, long msTime) {<a name="line.157"></a> -<span class="sourceLineNo">158</span> LOG.info(String.format("Read from table:%s on region server:%s in %dms",<a name="line.158"></a> -<span class="sourceLineNo">159</span> table, server, msTime));<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><a name="line.162"></a> -<span class="sourceLineNo">163</span> /**<a name="line.163"></a> -<span class="sourceLineNo">164</span> * For each column family of the region tries to get one row and outputs the latency, or the<a name="line.164"></a> -<span class="sourceLineNo">165</span> * failure.<a name="line.165"></a> -<span class="sourceLineNo">166</span> */<a name="line.166"></a> -<span class="sourceLineNo">167</span> static class RegionTask implements Callable<Void> {<a name="line.167"></a> -<span class="sourceLineNo">168</span> public enum TaskType{<a name="line.168"></a> -<span class="sourceLineNo">169</span> READ, WRITE<a name="line.169"></a> -<span class="sourceLineNo">170</span> }<a name="line.170"></a> -<span class="sourceLineNo">171</span> private Connection connection;<a name="line.171"></a> -<span class="sourceLineNo">172</span> private HRegionInfo region;<a name="line.172"></a> -<span class="sourceLineNo">173</span> private Sink sink;<a name="line.173"></a> -<span class="sourceLineNo">174</span> private TaskType taskType;<a name="line.174"></a> +<span class="sourceLineNo">137</span> public void publishReadFailure(HRegionInfo region, HColumnDescriptor column, Exception e) {<a name="line.137"></a> +<span class="sourceLineNo">138</span> readFailureCount.incrementAndGet();<a name="line.138"></a> +<span class="sourceLineNo">139</span> LOG.error(String.format("read from region %s column family %s failed",<a name="line.139"></a> +<span class="sourceLineNo">140</span> region.getRegionNameAsString(), column.getNameAsString()), e);<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> @Override<a name="line.143"></a> +<span class="sourceLineNo">144</span> public void publishReadTiming(HRegionInfo region, HColumnDescriptor column, long msTime) {<a name="line.144"></a> +<span class="sourceLineNo">145</span> LOG.info(String.format("read from region %s column family %s in %dms",<a name="line.145"></a> +<span class="sourceLineNo">146</span> region.getRegionNameAsString(), column.getNameAsString(), msTime));<a name="line.146"></a> +<span class="sourceLineNo">147</span> }<a name="line.147"></a> +<span class="sourceLineNo">148</span><a name="line.148"></a> +<span class="sourceLineNo">149</span> @Override<a name="line.149"></a> +<span class="sourceLineNo">150</span> public long getWriteFailureCount() {<a name="line.150"></a> +<span class="sourceLineNo">151</span> return writeFailureCount.get();<a name="line.151"></a> +<span class="sourceLineNo">152</span> }<a name="line.152"></a> +<span class="sourceLineNo">153</span><a name="line.153"></a> +<span class="sourceLineNo">154</span> @Override<a name="line.154"></a> +<span class="sourceLineNo">155</span> public void publishWriteFailure(HRegionInfo region, Exception e) {<a name="line.155"></a> +<span class="sourceLineNo">156</span> writeFailureCount.incrementAndGet();<a name="line.156"></a> +<span class="sourceLineNo">157</span> LOG.error(String.format("write to region %s failed", region.getRegionNameAsString()), e);<a name="line.157"></a> +<span class="sourceLineNo">158</span> }<a name="line.158"></a> +<span class="sourceLineNo">159</span><a name="line.159"></a> +<span class="sourceLineNo">160</span> @Override<a name="line.160"></a> +<span class="sourceLineNo">161</span> public void publishWriteFailure(HRegionInfo region, HColumnDescriptor column, Exception e) {<a name="line.161"></a> +<span class="sourceLineNo">162</span> writeFailureCount.incrementAndGet();<a name="line.162"></a> +<span class="sourceLineNo">163</span> LOG.error(String.format("write to region %s column family %s failed",<a name="line.163"></a> +<span class="sourceLineNo">164</span> region.getRegionNameAsString(), column.getNameAsString()), e);<a name="line.164"></a> +<span class="sourceLineNo">165</span> }<a name="line.165"></a> +<span class="sourceLineNo">166</span><a name="line.166"></a> +<span class="sourceLineNo">167</span> @Override<a name="line.167"></a> +<span class="sourceLineNo">168</span> public void publishWriteTiming(HRegionInfo region, HColumnDescriptor column, long msTime) {<a name="line.168"></a> +<span class="sourceLineNo">169</span> LOG.info(String.format("write to region %s column family %s in %dms",<a name="line.169"></a> +<span class="sourceLineNo">170</span> region.getRegionNameAsString(), column.getNameAsString(), msTime));<a name="line.170"></a> +<span class="sourceLineNo">171</span> }<a name="line.171"></a> +<span class="sourceLineNo">172</span> }<a name="line.172"></a> +<span class="sourceLineNo">173</span> // a ExtendedSink implementation<a name="line.173"></a> +<span class="sourceLineNo">174</span> public static class RegionServerStdOutSink extends StdOutSink implements ExtendedSink {<a name="line.174"></a> <span class="sourceLineNo">175</span><a name="line.175"></a> -<span class="sourceLineNo">176</span> RegionTask(Connection connection, HRegionInfo region, Sink sink, TaskType taskType) {<a name="line.176"></a> -<span class="sourceLineNo">177</span> this.connection = connection;<a name="line.177"></a> -<span class="sourceLineNo">178</span> this.region = region;<a name="line.178"></a> -<span class="sourceLineNo">179</span> this.sink = sink;<a name="line.179"></a> -<span class="sourceLineNo">180</span> this.taskType = taskType;<a name="line.180"></a> -<span 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-<span class="sourceLineNo">195</span> public Void read() {<a name="line.195"></a> -<span class="sourceLineNo">196</span> Table table = null;<a name="line.196"></a> -<span class="sourceLineNo">197</span> HTableDescriptor tableDesc = null;<a name="line.197"></a> -<span class="sourceLineNo">198</span> try {<a name="line.198"></a> -<span class="sourceLineNo">199</span> if (LOG.isDebugEnabled()) {<a name="line.199"></a> -<span class="sourceLineNo">200</span> LOG.debug(String.format("reading table descriptor for table %s",<a name="line.200"></a> -<span class="sourceLineNo">201</span> region.getTable()));<a name="line.201"></a> -<span class="sourceLineNo">202</span> }<a name="line.202"></a> -<span class="sourceLineNo">203</span> table = connection.getTable(region.getTable());<a name="line.203"></a> -<span class="sourceLineNo">204</span> tableDesc = table.getTableDescriptor();<a name="line.204"></a> -<span class="sourceLineNo">205</span> } catch (IOException e) {<a name="line.205"></a> -<span class="sourceLineNo">206</span> LOG.debug("sniffRegion failed", e);<a name="line.206"></a> -<span class="sourceLineNo">207</span> sink.publishReadFailure(region, e);<a name="line.207"></a> -<span class="sourceLineNo">208</span> if (table != null) {<a name="line.208"></a> -<span class="sourceLineNo">209</span> try {<a name="line.209"></a> -<span class="sourceLineNo">210</span> table.close();<a name="line.210"></a> -<span class="sourceLineNo">211</span> } catch (IOException ioe) {<a name="line.211"></a> -<span class="sourceLineNo">212</span> LOG.error("Close table failed", e);<a name="line.212"></a> -<span class="sourceLineNo">213</span> }<a name="line.213"></a> -<span class="sourceLineNo">214</span> }<a name="line.214"></a> -<span class="sourceLineNo">215</span> return null;<a name="line.215"></a> -<span class="sourceLineNo">216</span> }<a name="line.216"></a> -<span class="sourceLineNo">217</span><a name="line.217"></a> -<span class="sourceLineNo">218</span> byte[] startKey = null;<a name="line.218"></a> -<span class="sourceLineNo">219</span> Get get = null;<a name="line.219"></a> -<span class="sourceLineNo">220</span> Scan scan = null;<a name="line.220"></a> -<span class="sourceLineNo">221</span> ResultScanner rs = null;<a name="line.221"></a> -<span class="sourceLineNo">222</span> StopWatch stopWatch = new StopWatch();<a name="line.222"></a> -<span class="sourceLineNo">223</span> for (HColumnDescriptor column : tableDesc.getColumnFamilies()) {<a name="line.223"></a> -<span class="sourceLineNo">224</span> stopWatch.reset();<a name="line.224"></a> -<span class="sourceLineNo">225</span> startKey = region.getStartKey();<a name="line.225"></a> -<span class="sourceLineNo">226</span> // Can't do a get on empty start row so do a Scan of first element if any instead.<a name="line.226"></a> -<span class="sourceLineNo">227</span> if (startKey.length > 0) {<a name="line.227"></a> -<span class="sourceLineNo">228</span> get = new Get(startKey);<a name="line.228"></a> -<span 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class="sourceLineNo">240</span> scan.setSmall(true);<a name="line.240"></a> -<span class="sourceLineNo">241</span> }<a name="line.241"></a> -<span class="sourceLineNo">242</span><a name="line.242"></a> -<span class="sourceLineNo">243</span> if (LOG.isDebugEnabled()) {<a name="line.243"></a> -<span class="sourceLineNo">244</span> LOG.debug(String.format("reading from table %s region %s column family %s and key %s",<a name="line.244"></a> -<span class="sourceLineNo">245</span> tableDesc.getTableName(), region.getRegionNameAsString(), column.getNameAsString(),<a name="line.245"></a> -<span class="sourceLineNo">246</span> Bytes.toStringBinary(startKey)));<a name="line.246"></a> -<span class="sourceLineNo">247</span> }<a name="line.247"></a> -<span class="sourceLineNo">248</span> try {<a name="line.248"></a> -<span class="sourceLineNo">249</span> stopWatch.start();<a name="line.249"></a> -<span class="sourceLineNo">250</span> if (startKey.length > 0) {<a name="line.250"></a> -<span 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server, long msTime) {<a name="line.183"></a> +<span class="sourceLineNo">184</span> LOG.info(String.format("Read from table:%s on region server:%s in %dms",<a name="line.184"></a> +<span class="sourceLineNo">185</span> table, server, msTime));<a name="line.185"></a> +<span class="sourceLineNo">186</span> }<a name="line.186"></a> +<span class="sourceLineNo">187</span> }<a name="line.187"></a> +<span class="sourceLineNo">188</span><a name="line.188"></a> +<span class="sourceLineNo">189</span> /**<a name="line.189"></a> +<span class="sourceLineNo">190</span> * For each column family of the region tries to get one row and outputs the latency, or the<a name="line.190"></a> +<span class="sourceLineNo">191</span> * failure.<a name="line.191"></a> +<span class="sourceLineNo">192</span> */<a name="line.192"></a> +<span class="sourceLineNo">193</span> static class RegionTask implements Callable<Void> {<a name="line.193"></a> +<span class="sourceLineNo">194</span> public enum TaskType{<a name="line.194"></a> +<span class="sourceLineNo">195</span> READ, WRITE<a name="line.195"></a> +<span class="sourceLineNo">196</span> }<a name="line.196"></a> +<span class="sourceLineNo">197</span> private Connection connection;<a name="line.197"></a> +<span class="sourceLineNo">198</span> private HRegionInfo region;<a name="line.198"></a> +<span class="sourceLineNo">199</span> private Sink sink;<a name="line.199"></a> +<span class="sourceLineNo">200</span> private TaskType taskType;<a name="line.200"></a> +<span class="sourceLineNo">201</span><a name="line.201"></a> +<span class="sourceLineNo">202</span> RegionTask(Connection connection, HRegionInfo region, Sink sink, TaskType taskType) {<a name="line.202"></a> +<span class="sourceLineNo">203</span> this.connection = connection;<a name="line.203"></a> +<span class="sourceLineNo">204</span> this.region = region;<a name="line.204"></a> +<span class="sourceLineNo">205</span> this.sink = sink;<a name="line.205"></a> +<span class="sourceLineNo">206</span> this.taskType = taskType;<a name="line.206"></a> +<span class="sourceLineNo">207</span> }<a name="line.207"></a> +<span class="sourceLineNo">208</span><a name="line.208"></a> +<span class="sourceLineNo">209</span> @Override<a name="line.209"></a> +<span class="sourceLineNo">210</span> public Void call() {<a name="line.210"></a> +<span class="sourceLineNo">211</span> switch (taskType) {<a name="line.211"></a> +<span class="sourceLineNo">212</span> case READ:<a name="line.212"></a> +<span class="sourceLineNo">213</span> return read();<a name="line.213"></a> +<span class="sourceLineNo">214</span> case WRITE:<a name="line.214"></a> +<span class="sourceLineNo">215</span> return write();<a name="line.215"></a> +<span class="sourceLineNo">216</span> default:<a name="line.216"></a> +<span class="sourceLineNo">217</span> return read();<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><a name="line.220"></a> +<span class="sourceLineNo">221</span> public Void read() {<a name="line.221"></a> +<span class="sourceLineNo">222</span> Table table = null;<a name="line.222"></a> +<span class="sourceLineNo">223</span> HTableDescriptor tableDesc = null;<a name="line.223"></a> +<span class="sourceLineNo">224</span> try {<a name="line.224"></a> +<span class="sourceLineNo">225</span> if (LOG.isDebugEnabled()) {<a name="line.225"></a> +<span class="sourceLineNo">226</span> LOG.debug(String.format("reading table descriptor for table %s",<a name="line.226"></a> +<span class="sourceLineNo">227</span> region.getTable()));<a name="line.227"></a> +<span class="sourceLineNo">228</span> }<a name="line.228"></a> +<span class="sourceLineNo">229</span> table = connection.getTable(region.getTable());<a name="line.229"></a> +<span class="sourceLineNo">230</span> tableDesc = table.getTableDescriptor();<a name="line.230"></a> +<span class="sourceLineNo">231</span> } catch (IOException e) {<a name="line.231"></a> +<span class="sourceLineNo">232</span> LOG.debug("sniffRegion failed", e);<a name="line.232"></a> +<span class="sourceLineNo">233</span> sink.publishReadFailure(region, e);<a name="line.233"></a> +<span class="sourceLineNo">234</span> if (table != null) {<a name="line.234"></a> +<span class="sourceLineNo">235</span> try {<a name="line.235"></a> +<span class="sourceLineNo">236</span> table.close();<a name="line.236"></a> +<span class="sourceLineNo">237</span> } catch (IOException ioe) {<a name="line.237"></a> +<span class="sourceLineNo">238</span> LOG.error("Close table failed", e);<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> return null;<a name="line.241"></a> +<span class="sourceLineNo">242</span> }<a name="line.242"></a> +<span class="sourceLineNo">243</span><a name="line.243"></a> +<span class="sourceLineNo">244</span> byte[] startKey = null;<a name="line.244"></a> +<span class="sourceLineNo">245</span> Get get = null;<a name="line.245"></a> +<span class="sourceLineNo">246</span> Scan scan = null;<a name="line.246"></a> +<span class="sourceLineNo">247</span> ResultScanner rs = null;<a name="line.247"></a> +<span class="sourceLineNo">248</span> StopWatch stopWatch = new StopWatch();<a name="line.248"></a> +<span class="sourceLineNo">249</span> for (HColumnDescriptor column : tableDesc.getColumnFamilies()) {<a name="line.249"></a> +<span class="sourceLineNo">250</span> stopWatch.reset();<a name="line.250"></a> +<span class="sourceLineNo">251</span> startKey = region.getStartKey();<a name="line.251"></a> +<span class="sourceLineNo">252</span> // Can't do a get on empty start row so do a Scan of first element if any instead.<a name="line.252"></a> +<span class="sourceLineNo">253</span> if (startKey.length > 0) {<a name="line.253"></a> +<span class="sourceLineNo">254</span> get = new Get(startKey);<a name="line.254"></a> +<span class="sourceLineNo">255</span> get.setCacheBlocks(false);<a name="line.255"></a> +<span class="sourceLineNo">256</span> get.setFilter(new FirstKeyOnlyFilter());<a name="line.256"></a> +<span class="sourceLineNo">257</span> get.addFamily(column.getName());<a name="line.257"></a> +<span class="sourceLineNo">258</span> } else {<a name="line.258"></a> +<span class="sourceLineNo">259</span> scan = new Scan();<a name="line.259"></a> +<span class="sourceLineNo">260</span> scan.setRaw(true);<a name="line.260"></a> +<span class="sourceLineNo">261</span> scan.setCaching(1);<a name="line.261"></a> +<span class="sourceLineNo">262</span> scan.setCacheBlocks(false);<a name="line.262"></a> +<span class="sourceLineNo">263</span> scan.setFilter(new FirstKeyOnlyFilter());<a name="line.263"></a> +<span class="sourceLineNo">264</span> scan.addFamily(column.getName());<a name="line.264"></a> +<span 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successes) {<a name="line.332"></a> -<span class="sourceLineNo">333</span> this.connection = connection;<a name="line.333"></a> -<span class="sourceLineNo">334</span> this.serverName = serverName;<a name="line.334"></a> -<span class="sourceLineNo">335</span> this.region = region;<a name="line.335"></a> -<span class="sourceLineNo">336</span> this.sink = sink;<a name="line.336"></a> -<span class="sourceLineNo">337</span> this.successes = successes;<a name="line.337"></a> -<span class="sourceLineNo">338</span> }<a name="line.338"></a> -<span class="sourceLineNo">339</span><a name="line.339"></a> -<span class="sourceLineNo">340</span> @Override<a name="line.340"></a> -<span class="sourceLineNo">341</span> public Void call() {<a name="line.341"></a> -<span class="sourceLineNo">342</span> TableName tableName = null;<a name="line.342"></a> -<span class="sourceLineNo">343</span> Table table = null;<a name="line.343"></a> -<span class="sourceLineNo">344</span> Get get = null;<a 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static final int INIT_ERROR_EXIT_CODE = 2;<a name="line.412"></a> -<span class="sourceLineNo">413</span> private static final int TIMEOUT_ERROR_EXIT_CODE = 3;<a name="line.413"></a> -<span class="sourceLineNo">414</span> private static final int ERROR_EXIT_CODE = 4;<a name="line.414"></a> -<span class="sourceLineNo">415</span><a name="line.415"></a> -<span class="sourceLineNo">416</span> private static final long DEFAULT_INTERVAL = 6000;<a name="line.416"></a> -<span class="sourceLineNo">417</span><a name="line.417"></a> -<span class="sourceLineNo">418</span> private static final long DEFAULT_TIMEOUT = 600000; // 10 mins<a name="line.418"></a> -<span class="sourceLineNo">419</span> private static final int MAX_THREADS_NUM = 16; // #threads to contact regions<a name="line.419"></a> -<span class="sourceLineNo">420</span><a name="line.420"></a> -<span class="sourceLineNo">421</span> private static final Log LOG = LogFactory.getLog(Canary.class);<a name="line.421"></a> -<span class="sourceLineNo">422</span><a name="line.422"></a> -<span class="sourceLineNo">423</span> public static final TableName DEFAULT_WRITE_TABLE_NAME = TableName.valueOf(<a name="line.423"></a> -<span class="sourceLineNo">424</span> NamespaceDescriptor.SYSTEM_NAMESPACE_NAME_STR, "canary");<a name="line.424"></a> -<span class="sourceLineNo">425</span><a name="line.425"></a> -<span class="sourceLineNo">426</span> private static final String CANARY_TABLE_FAMILY_NAME = "Test";<a name="line.426"></a> -<span class="sourceLineNo">427</span><a name="line.427"></a> -<span class="sourceLineNo">428</span> private Configuration conf = null;<a name="line.428"></a> -<span class="sourceLineNo">429</span> private long interval = 0;<a name="line.429"></a> -<span class="sourceLineNo">430</span> private Sink sink = null;<a name="line.430"></a> -<span class="sourceLineNo">431</span><a name="line.431"></a> -<span class="sourceLineNo">432</span> private boolean useRegExp;<a name="line.432"></a> -<span class="sourceLineNo">433</span> private long timeout = DEFAULT_TIMEOUT;<a name="line.433"></a> -<span class="sourceLineNo">434</span> private boolean failOnError = true;<a name="line.434"></a> -<span class="sourceLineNo">435</span> private boolean regionServerMode = false;<a name="line.435"></a> -<span class="sourceLineNo">436</span> private boolean regionServerAllRegions = false;<a name="line.436"></a> -<span class="sourceLineNo">437</span> private boolean writeSniffing = false;<a name="line.437"></a> -<span class="sourceLineNo">438</span> private TableName writeTableName = DEFAULT_WRITE_TABLE_NAME;<a name="line.438"></a> -<span class="sourceLineNo">439</span><a name="line.439"></a> -<span class="sourceLineNo">440</span> private ExecutorService executor; // threads to retrieve data from regionservers<a name="line.440"></a> -<span class="sourceLineNo">441</span><a name="line.441"></a> -<span class="sourceLineNo">442</span> public Canary() {<a name="line.442"></a> -<span class="sourceLineNo">443</span> this(new ScheduledThreadPoolExecutor(1), new RegionServerStdOutSink());<a name="line.443"></a> -<span class="sourceLineNo">444</span> }<a name="line.444"></a> -<span class="sourceLineNo">445</span><a name="line.445"></a> -<span class="sourceLineNo">446</span> public Canary(ExecutorService executor, Sink sink) {<a name="line.446"></a> -<span class="sourceLineNo">447</span> this.executor = executor;<a name="line.447"></a> -<span class="sourceLineNo">448</span> this.sink = sink;<a name="line.448"></a> -<span class="sourceLineNo">449</span> }<a name="line.449"></a> -<span class="sourceLineNo">450</span><a name="line.450"></a> -<span class="sourceLineNo">451</span> @Override<a name="line.451"></a> -<span class="sourceLineNo">452</span> public Configuration getConf() {<a name="line.452"></a> -<span class="sourceLineNo">453</span> return conf;<a name="line.453"></a> -<span class="sourceLineNo">454</span> }<a name="line.454"></a> -<span class="sourceLineNo">455</span><a name="line.455"></a> -<span class="sourceLineNo">456</span> @Override<a name="line.456"></a> -<span class="sourceLineNo">457</span> public void setConf(Configuration conf) {<a name="line.457"></a> -<span class="sourceLineNo">458</span> this.conf = conf;<a name="line.458"></a> -<span class="sourceLineNo">459</span> }<a name="line.459"></a> -<span class="sourceLineNo">460</span><a name="line.460"></a> -<span class="sourceLineNo">461</span> private int parseArgs(String[] args) {<a name="line.461"></a> -<span class="sourceLineNo">462</span> int index = -1;<a name="line.462"></a> -<span class="sourceLineNo">463</span> // Process command line args<a name="line.463"></a> -<span class="sourceLineNo">464</span> for (int i = 0; i < args.length; i++) {<a name="line.464"></a> -<span class="sourceLineNo">465</span> String cmd = args[i];<a name="line.465"></a> -<span class="sourceLineNo">466</span><a name="line.466"></a> -<span class="sourceLineNo">467</span> if (cmd.startsWith("-")) {<a name="line.467"></a> -<span class="sourceLineNo">468</span> if (index >= 0) {<a name="line.468"></a> -<span class="sourceLineNo">469</span> // command line args must be in the form: [opts] [table 1 [table 2 ...]]<a name="line.469"></a> -<span class="sourceLineNo">470</span> System.err.println("Invalid command line options");<a name="line.470"></a> -<span class="sourceLineNo">471</span> printUsageAndExit();<a name="line.471"></a> -<span class="sourceLineNo">472</span> }<a name="line.472"></a> +<span class="sourceLineNo">268</span><a name="line.268"></a> +<span class="sourceLineNo">269</span> if (LOG.isDebugEnabled()) {<a name="line.269"></a> +<span class="sourceLineNo">270</span> LOG.debug(String.format("reading from table %s region %s column family %s and key %s",<a name="line.270"></a> +<span class="sourceLineNo">271</span> tableDesc.getTableName(), region.getRegionNameAsString(), column.getNameAsString(),<a name="line.271"></a> +<span class="sourceLineNo">272</span> Bytes.toStringBinary(startKey)));<a name="line.272"></a> +<span class="sourceLineNo">273</span> }<a name="line.273"></a> +<span class="sourceLineNo">274</span> try {<a name="line.274"></a> +<span class="sourceLineNo">275</span> stopWatch.start();<a name="line.275"></a> +<span class="sourceLineNo">276</span> if (startKey.length > 0) {<a name="line.276"></a> +<span class="sourceLineNo">277</span> table.get(get);<a name="line.277"></a> +<span class="sourceLineNo">278</span> } else {<a name="line.278"></a> +<span class="sourceLineNo">279</span> rs = table.getScanner(scan);<a name="line.279"></a> +<span class="sourceLineNo">280</span> rs.next();<a name="line.280"></a> +<span class="sourceLineNo">281</span> }<a name="line.281"></a> +<span class="sourceLineNo">282</span> stopWatch.stop();<a name="line.282"></a> +<span class="sourceLineNo">283</span> sink.publishReadTiming(region, column, stopWatch.getTime());<a name="line.283"></a> +<span class="sourceLineNo">284</span> } catch (Exception e) {<a name="line.284"></a> +<span class="sourceLineNo">285</span> sink.publishReadFailure(region, column, e);<a name="line.285"></a> +<span class="sourceLineNo">286</span> } finally {<a name="line.286"></a> +<span class="sourceLineNo">287</span> if (rs != null) {<a name="line.287"></a> +<span class="sourceLineNo">288</span> rs.close();<a name="line.288"></a> +<span class="sourceLineNo">289</span> }<a name="line.289"></a> +<span class="sourceLineNo">290</span> scan = null;<a name="line.290"></a> +<span class="sourceLineNo">291</span> get = null;<a name="line.291"></a> +<span class="sourceLineNo">292</span> startKey = null;<a name="line.292"></a> +<span class="sourceLineNo">293</span> }<a name="line.293"></a> +<span class="sourceLineNo">294</span> }<a name="line.294"></a> +<span class="sourceLineNo">295</span> try {<a name="line.295"></a> +<span class="sourceLineNo">296</span> table.close();<a name="line.296"></a> +<span class="sourceLineNo">297</span> } catch (IOException e) {<a name="line.297"></a> +<span class="sourceLineNo">298</span> LOG.error("Close table failed", e);<a name="line.298"></a> +<span class="sourceLineNo">299</span> }<a name="line.299"></a> +<span class="sourceLineNo">300</span> return null;<a name="line.300"></a> +<span class="sourceLineNo">301</span> }<a name="line.301"></a> +<span class="sourceLineNo">302</span><a name="line.302"></a> +<span class="sourceLineNo">303</span> /**<a name="line.303"></a> +<span class="sourceLineNo">304</span> * Check writes for the canary table<a name="line.304"></a> +<span class="sourceLineNo">305</span> * @return<a name="line.305"></a> +<span class="sourceLineNo">306</span> */<a name="line.306"></a> +<span class="sourceLineNo">307</span> private Void write() {<a name="line.307"></a> +<span class="sourceLineNo">308</span> Table table = null;<a name="line.308"></a> +<span class="sourceLineNo">309</span> HTableDescriptor tableDesc = null;<a name="line.309"></a> +<span class="sourceLineNo">310</span> try {<a name="line.310"></a> +<span class="sourceLineNo">311</span> table = connection.getTable(region.getTable());<a name="line.311"></a> +<span class="sourceLineNo">312</span> tableDesc = table.getTableDescriptor();<a name="line.312"></a> +<span class="sourceLineNo">313</span> byte[] rowToCheck = region.getStartKey();<a name="line.313"></a> +<span class="sourceLineNo">314</span> if (rowToCheck.length == 0) {<a name="line.314"></a> +<span class="sourceLineNo">315</span> rowToCheck = new byte[]{0x0};<a name="line.315"></a> +<span class="sourceLineNo">316</span> }<a name="line.316"></a> +<span class="sourceLineNo">317</span> int writeValueSize =<a name="line.317"></a> +<span class="sourceLineNo">318</span> connection.getConfiguration().getInt(HConstants.HBASE_CANARY_WRITE_VALUE_SIZE_KEY, 10);<a name="line.318"></a> +<span class="sourceLineNo">319</span> for (HColumnDescriptor column : tableDesc.getColumnFamilies()) {<a name="line.319"></a> +<span class="sourceLineNo">320</span> Put put = new Put(rowToCheck);<a name="line.320"></a> +<span class="sourceLineNo">321</span> byte[] value = new byte[writeValueSize];<a name="line.321"></a> +<span class="sourceLineNo">322</span> Bytes.random(value);<a name="line.322"></a> +<span class="sourceLineNo">323</span> put.addColumn(column.getName(), HConstants.EMPTY_BYTE_ARRAY, value);<a name="line.323"></a> +<span class="sourceLineNo">324</span><a name="line.324"></a> +<span class="sourceLineNo">325</span> if (LOG.isDebugEnabled()) {<a name="line.325"></a> +<span class="sourceLineNo">326</span> LOG.debug(String.format("writing to table %s region %s column family %s and key %s",<a name="line.326"></a> +<span class="sourceLineNo">327</span> tableDesc.getTableName(), region.getRegionNameAsString(), column.getNameAsString(),<a name="line.327"></a> +<span class="sourceLineNo">328</span> Bytes.toStringBinary(rowToCheck)));<a name="line.328"></a> +<span class="sourceLineNo">329</span> }<a name="line.329"></a> +<span class="sourceLineNo">330</span> try {<a name="line.330"></a> +<span class="sourceLineNo">331</span> long startTime = System.currentTimeMillis();<a name="line.331"></a> +<span class="sourceLineNo">332</span> table.put(put);<a name="line.332"></a> +<span class="sourceLineNo">333</span> long time = System.currentTimeMillis() - startTime;<a name="line.333"></a> +<span class="sourceLineNo">334</span> sink.publishWriteTiming(region, column, time);<a name="line.334"></a> +<span class="sourceLineNo">335</span> } catch (Exception e) {<a name="line.335"></a> +<span class="sourceLineNo">336</span> sink.publishWriteFailure(region, column, e);<a name="line.336"></a> +<span class="sourceLineNo">337</span> }<a name="line.337"></a> +<span class="sourceLineNo">338</span> }<a name="line.338"></a> +<span class="sourceLineNo">339</span> table.close();<a name="line.339"></a> +<span class="sourceLineNo">340</span> } catch (IOException e) {<a name="line.340"></a> +<span class="sourceLineNo">341</span> sink.publishWriteFailure(region, e);<a name="line.341"></a> +<span class="sourceLineNo">342</span> }<a name="line.342"></a> +<span class="sourceLineNo">343</span> return null;<a name="line.343"></a> +<span class="sourceLineNo">344</span> }<a name="line.344"></a> +<span class="sourceLineNo">345</span> }<a name="line.345"></a> +<span class="sourceLineNo">346</span><a name="line.346"></a> +<span class="sourceLineNo">347</span> /**<a name="line.347"></a> +<span class="sourceLineNo">348</span> * Get one row from a region on the regionserver and outputs the latency, or the failure.<a name="line.348"></a> +<span class="sourceLineNo">349</span> */<a name="line.349"></a> +<span class="sourceLineNo">350</span> static class RegionServerTask implements Callable<Void> {<a name="line.350"></a> +<span class="sourceLineNo">351</span> private Connection connection;<a name="line.351"></a> +<span class="sourceLineNo">352</span> private String serverName;<a name="line.352"></a> +<span class="sourceLineNo">353</span> private HRegionInfo region;<a name="line.353"></a> +<span class="sourceLineNo">354</span> private ExtendedSink sink;<a name="line.354"></a> +<span class="sourceLineNo">355</span> private AtomicLong successes;<a name="line.355"></a> +<span class="sourceLineNo">356</span><a name="line.356"></a> +<span class="sourceLineNo">357</span> RegionServerTask(Connection connection, String serverName, HRegionInfo region,<a name="line.357"></a> +<span class="sourceLineNo">358</span> ExtendedSink sink, AtomicLong successes) {<a name="line.358"></a> +<span class="sourceLineNo">359</span> this.connection = connection;<a name="line.359"></a> +<span class="sourceLineNo">360</span> this.serverName = serverName;<a name="line.360"></a> +<span class="sourceLineNo">361</span> this.region = region;<a name="line.361"></a> +<span class="sourceLineNo">362</span> this.sink = sink;<a name="line.362"></a> +<span class="sourceLineNo">363</span> this.successes = successes;<a name="line.363"></a> +<span class="sourceLineNo">364</span> }<a name="line.364"></a> +<span class="sourceLineNo">365</span><a name="line.365"></a> +<span class="sourceLineNo">366</span> @Override<a name="line.366"></a> +<span class="sourceLineNo">367</span> public Void call() {<a name="line.367"></a> +<span class="sourceLineNo">368</span> TableName tableName = null;<a name="line.368"></a> +<span class="sourceLineNo">369</span> Table table = null;<a name="line.369"></a> +<span class="sourceLineNo">370</span> Get get = null;<a name="line.370"></a> +<span class="sourceLineNo">371</span> byte[] startKey = null;<a name="line.371"></a> +<span class="sourceLineNo">372</span> Scan scan = null;<a name="line.372"></a> +<span class="sourceLineNo">373</span> StopWatch stopWatch = new StopWatch();<a name="line.373"></a> +<span class="sourceLineNo">374</span> // monitor one region on every region server<a name="line.374"></a> +<span class="sourceLineNo">375</span> stopWatch.reset();<a name="line.375"></a> +<span class="sourceLineNo">376</span> try {<a name="line.376"></a> +<span class="sourceLineNo">377</span> tableName = region.getTable();<a name="line.377"></a> +<span class="sourceLineNo">378</span> table = connection.getTable(tableName);<a name="line.378"></a> +<span class="sourceLineNo">379</span> startKey = region.getStartKey();<a name="line.379"></a> +<span class="sourceLineNo">380</span> // Can't do a get on empty start row so do a Scan of first element if any instead.<a name="line.380"></a> +<span class="sourceLineNo">381</span> if (LOG.isDebugEnabled()) {<a name="line.381"></a> +<span class="sourceLineNo">382</span> LOG.debug(String.format("reading from region server %s table %s region %s and key %s",<a name="line.382"></a> +<span class="sourceLineNo">383</span> serverName, region.getTable(), region.getRegionNameAsString(),<a name="line.383"></a> +<span class="sourceLineNo">384</span> Bytes.toStringBinary(startKey)));<a name="line.384"></a> +<span class="sourceLineNo">385</span> }<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> stopWatch.start();<a name="line.390"></a> +<span class="sourceLineNo">391</span> table.get(get);<a name="line.391"></a> +<span class="sourceLineNo">392</span> stopWatch.stop();<a name="line.392"></a> +<span class="sourceLineNo">393</span> } else {<a name="line.393"></a> +<span class="sourceLineNo">394</span> scan = new Scan();<a name="line.394"></a> +<span class="sourceLineNo">395</span> scan.setCacheBlocks(false);<a name="line.395"></a> +<span class="sourceLineNo">396</span> scan.setFilter(new FirstKeyOnlyFilter());<a name="line.396"></a> +<span class="sourceLineNo">397</span> scan.setCaching(1);<a name="line.397"></a> +<span class="sourceLineNo">398</span> scan.setMaxResultSize(1L);<a name="line.398"></a> +<span class="sourceLineNo">399</span> scan.setSmall(true);<a name="line.399"></a> +<span class="sourceLineNo">400</span> stopWatch.start();<a name="line.400"></a> +<span class="sourceLineNo">401</span> ResultScanner s = table.getScanner(scan);<a name="line.401"></a> +<span class="sourceLineNo">402</span> s.next();<a name="line.402"></a> +<span class="sourceLineNo">403</span> s.close();<a name="line.403"></a> +<span class="sourceLineNo">404</span> stopWatch.stop();<a name="line.404"></a> +<span class="sourceLineNo">405</span> }<a name="line.405"></a> +<span class="sourceLineNo">406</span> successes.incrementAndGet();<a name="line.406"></a> +<span class="sourceLineNo">407</span> sink.publishReadTiming(tableName.getNameAsString(), serverName, stopWatch.getTime());<a name="line.407"></a> +<span class="sourceLineNo">408</span> } catch (TableNotFoundException tnfe) {<a name="line.408"></a> +<span class="sourceLineNo">409</span> LOG.error("Table may be deleted", tnfe);<a name="line.409"></a> +<span class="sourceLineNo">410</span> // This is ignored because it doesn't imply that the regionserver is dead<a name="line.410"></a> +<span class="sourceLineNo">411</span> } catch (TableNotEnabledException tnee) {<a name="line.411"></a> +<span class="sourceLineNo">412</span> // This is considered a success since we got a response.<a name="line.412"></a> +<span class="sourceLineNo">413</span> successes.incrementAndGet();<a name="line.413"></a> +<span class="sourceLineNo">414</span> LOG.debug("The targeted table was disabled. Assuming success.");<a name="line.414"></a> +<span class="sourceLineNo">415</span> } catch (DoNotRetryIOException dnrioe) {<a name="line.415"></a> +<span class="sourceLineNo">416</span> sink.publishReadFailure(tableName.getNameAsString(), serverName);<a name="line.416"></a> +<span class="sourceLineNo">417</span> LOG.error(dnrioe);<a name="line.417"></a> +<span class="sourceLineNo">418</span> } catch (IOException e) {<a name="line.418"></a> +<span class="sourceLineNo">419</span> sink.publishReadFailure(tableName.getNameAsString(), serverName);<a name="line.419"></a> +<span class="sourceLineNo">420</span> LOG.error(e);<a name="line.420"></a> +<span class="sourceLineNo">421</span> } finally {<a name="line.421"></a> +<span class="sourceLineNo">422</span> if (table != null) {<a name="line.422"></a> +<span class="sourceLineNo">423</span> try {<a name="line.423"></a> +<span class="sourceLineNo">424</span> table.close();<a name="line.424"></a> +<span class="sourceLineNo">425</span> } catch (IOException e) {/* DO NOTHING */<a name="line.425"></a> +<span class="sourceLineNo">426</span> LOG.error("Close table failed", e);<a name="line.426"></a> +<span class="sourceLineNo">427</span> }<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> startKey = null;<a name="line.431"></a> +<span class="sourceLineNo">432</span> }<a name="line.432"></a> +<span class="sourceLineNo">433</span> return null;<a name="line.433"></a> +<span class="sourceLineNo">434</span> }<a name="line.434"></a> +<span class="sourceLineNo">435</span> }<a name="line.435"></a> +<span class="sourceLineNo">436</span><a name="line.436"></a> +<span class="sourceLineNo">437</span> private static final int USAGE_EXIT_CODE = 1;<a name="line.437"></a> +<span class="sourceLineNo">438</span> private static final int INIT_ERROR_EXIT_CODE = 2;<a name="line.438"></a> +<span class="sourceLineNo">439</span> private static final int TIMEOUT_ERROR_EXIT_CODE = 3;<a name="line.439"></a> +<span class="sourceLineNo">440</span> private static final int ERROR_EXIT_CODE = 4;<a name="line.440"></a> +<span class="sourceLineNo">441</span> private static final int FAILURE_EXIT_CODE = 5;<a name="line.441"></a> +<span class="sourceLineNo">442</span><a name="line.442"></a> +<span class="sourceLineNo">443</span> private static final long DEFAULT_INTERVAL = 6000;<a name="line.443"></a> +<span class="sourceLineNo">444</span><a name="line.444"></a> +<span class="sourceLineNo">445</span> private static final long DEFAULT_TIMEOUT = 600000; // 10 mins<a name="line.445"></a> +<span class="sourceLineNo">446</span> private static final int MAX_THREADS_NUM = 16; // #threads to contact regions<a name="line.446"></a> +<span class="sourceLineNo">447</span><a name="line.447"></a> +<span class="sourceLineNo">448</span> private static final Log LOG = LogFactory.getLog(Canary.class);<a name="line.448"></a> +<span class="sourceLineNo">449</span><a name="line.449"></a> +<span class="sourceLineNo">450</span> public static final TableName DEFAULT_WRITE_TABLE_NAME = TableName.valueOf(<a name="line.450"></a> +<span class="sourceLineNo">451</span> NamespaceDescriptor.SYSTEM_NAMESPACE_NAME_STR, "canary");<a name="line.451"></a> +<span class="sourceLineNo">452</span><a name="line.452"></a> +<span class="sourceLineNo">453</span> private static final String CANARY_TABLE_FAMILY_NAME = "Test";<a name="line.453"></a> +<span class="sourceLineNo">454</span><a name="line.454"></a> +<span class="sourceLineNo">455</span> private Configuration conf = null;<a name="line.455"></a> +<span class="sourceLineNo">456</span> private long interval = 0;<a name="line.456"></a> +<span class="sourceLineNo">457</span> private Sink sink = null;<a name="line.457"></a> +<span 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name="line.489"></a> -<span class="sourceLineNo">490</span> interval = Long.parseLong(args[i]) * 1000;<a name="line.490"></a> -<span class="sourceLineNo">491</span> } catch (NumberFormatException e) {<a name="line.491"></a> -<span class="sourceLineNo">492</span> System.err.println("-interval needs a numeric value argument.");<a name="line.492"></a> -<span class="sourceLineNo">493</span> printUsageAndExit();<a name="line.493"></a> -<span class="sourceLineNo">494</span> }<a name="line.494"></a> -<span class="sourceLineNo">495</span> } else if(cmd.equals("-regionserver")) {<a name="line.495"></a> -<span class="sourceLineNo">496</span> this.regionServerMode = true;<a name="line.496"></a> -<span class="sourceLineNo">497</span> } else if(cmd.equals("-allRegions")) {<a name="line.497"></a> -<span class="sourceLineNo">498</span> this.regionServerAllRegions = true;<a name="line.498"></a> -<span class="sourceLineNo">499</span> } else if(cmd.equals("-writeSniffing")) {<a name="line.499"></a> -<span class="sourceLineNo">500</span> this.writeSniffing = true;<a name="line.500"></a> -<span class="sourceLineNo">501</span> } else if (cmd.equals("-e")) {<a name="line.501"></a> -<span class="sourceLineNo">502</span> this.useRegExp = true;<a name="line.502"></a> -<span class="sourceLineNo">503</span> } else if (cmd.equals("-t")) {<a name="line.503"></a> -<span class="sourceLineNo">504</span> i++;<a name="line.504"></a> -<span class="sourceLineNo">505</span><a name="line.505"></a> -<span class="sourceLineNo">506</span> if (i == args.length) {<a name="line.506"></a> -<span class="sourceLineNo">507</span> System.err.println("-t needs a numeric value argument.");<a name="line.507"></a> -<span class="sourceLineNo">508</span> printUsageAndExit();<a name="line.508"></a> -<span class="sourceLineNo">509</span> }<a name="line.509"></a> -<span class="sourceLineNo">510</span><a name="line.510"></a> -<span class="sourceLineNo">511</span> try {<a name="line.511"></a> -<span 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class="sourceLineNo">523</span> }<a name="line.523"></a> -<span class="sourceLineNo">524</span> this.writeTableName = TableName.valueOf(args[i]);<a name="line.524"></a> -<span class="sourceLineNo">525</span> } else if (cmd.equals("-f")) {<a name="line.525"></a> -<span class="sourceLineNo">526</span> i++;<a name="line.526"></a> -<span class="sourceLineNo">527</span><a name="line.527"></a> -<span class="sourceLineNo">528</span> if (i == args.length) {<a name="line.528"></a> -<span class="sourceLineNo">529</span> System.err<a name="line.529"></a> -<span class="sourceLineNo">530</span> .println("-f needs a boolean value argument (true|false).");<a name="line.530"></a> -<span class="sourceLineNo">531</span> printUsageAndExit();<a name="line.531"></a> -<span class="sourceLineNo">532</span> }<a name="line.532"></a> -<span class="sourceLineNo">533</span><a name="line.533"></a> -<span class="sourceLineNo">534</span> this.failOnError = Boolean.parseBoolean(args[i]);<a name="line.534"></a> -<span 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name="line.589"></a> -<span class="sourceLineNo">590</span> }<a name="line.590"></a> -<span class="sourceLineNo">591</span> }<a name="line.591"></a> -<span class="sourceLineNo">592</span> currentTimeLength = System.currentTimeMillis() - startTime;<a name="line.592"></a> -<span class="sourceLineNo">593</span> if (currentTimeLength > this.timeout) {<a name="line.593"></a> -<span class="sourceLineNo">594</span> LOG.error("The monitor is running too long (" + currentTimeLength<a name="line.594"></a> -<span class="sourceLineNo">595</span> + ") after timeout limit:" + this.timeout<a name="line.595"></a> -<span class="sourceLineNo">596</span> + " will be killed itself !!");<a name="line.596"></a> -<span class="sourceLineNo">597</span> if (monitor.initialized) {<a name="line.597"></a> -<span class="sourceLineNo">598</span> return TIMEOUT_ERROR_EXIT_CODE;<a name="line.598"></a> -<span class="sourceLineNo">599</span> } else {<a name="line.599"></a> -<span class="sourceLineNo">600</span> return INIT_ERROR_EXIT_CODE;<a name="line.600"></a> -<span class="sourceLineNo">601</span> }<a name="line.601"></a> -<span class="sourceLineNo">602</span> }<a name="line.602"></a> -<span class="sourceLineNo">603</span> }<a name="line.603"></a> -<span class="sourceLineNo">604</span><a name="line.604"></a> -<span class="sourceLineNo">605</span> if (this.failOnError && monitor.hasError()) {<a name="line.605"></a> -<span class="sourceLineNo">606</span> monitorThread.interrupt();<a name="line.606"></a> -<span class="sourceLineNo">607</span> return monitor.errorCode;<a name="line.607"></a> -<span class="sourceLineNo">608</span> }<a name="line.608"></a> -<span class="sourceLineNo">609</span> } finally {<a name="line.609"></a> -<span class="sourceLineNo">610</span> if (monitor != null) monitor.close();<a name="line.610"></a> -<span class="sourceLineNo">611</span> }<a name="line.611"></a> -<span class="sourceLineNo">612</span><a name="line.612"></a> -<span class="sourceLineNo">613</span> Thread.sleep(interval);<a name="line.613"></a> -<span class="sourceLineNo">614</span> } while (interval > 0);<a name="line.614"></a> -<span class="sourceLineNo">615</span> } // try-with-resources close<a name="line.615"></a> -<span class="sourceLineNo">616</span><a name="line.616"></a> -<span class="sourceLineNo">617</span> if (choreService != null) {<a name="line.617"></a> -<span class="sourceLineNo">618</span> choreService.shutdown();<a name="line.618"></a> -<span class="sourceLineNo">619</span> }<a name="line.619"></a> -<span class="sourceLineNo">620</span> return monitor.errorCode;<a name="line.620"></a> -<span class="sourceLineNo">621</span> }<a name="line.621"></a> -<span class="sourceLineNo">622</span><a name="line.622"></a> -<span class="sourceLineNo">623</span> private void printUsageAndExit() {<a name="line.623"></a> -<span class="sourceLineNo">624</span> System.err.printf(<a name="line.624"></a> -<span class="sourceLineNo">625</span> "Usage: bin/hbase %s [opts] [table1 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<TRUNCATED>
