Repository: hbase-site Updated Branches: refs/heads/asf-site e0abe62e9 -> e2f20c831
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/e2f20c83/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/MetricsRegionServerWrapperImpl.RegionServerMetricsWrapperRunnable.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/MetricsRegionServerWrapperImpl.RegionServerMetricsWrapperRunnable.html b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/MetricsRegionServerWrapperImpl.RegionServerMetricsWrapperRunnable.html index 81c0f64..ab151cd 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/MetricsRegionServerWrapperImpl.RegionServerMetricsWrapperRunnable.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/MetricsRegionServerWrapperImpl.RegionServerMetricsWrapperRunnable.html @@ -31,7 +31,7 @@ <span class="sourceLineNo">023</span>import java.util.concurrent.ScheduledExecutorService;<a name="line.23"></a> <span class="sourceLineNo">024</span>import java.util.concurrent.TimeUnit;<a name="line.24"></a> <span class="sourceLineNo">025</span><a name="line.25"></a> -<span class="sourceLineNo">026</span>import org.apache.commons.lang.StringUtils;<a name="line.26"></a> +<span class="sourceLineNo">026</span>import org.apache.commons.lang3.StringUtils;<a name="line.26"></a> <span class="sourceLineNo">027</span>import org.apache.commons.logging.Log;<a name="line.27"></a> <span class="sourceLineNo">028</span>import org.apache.commons.logging.LogFactory;<a name="line.28"></a> <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.CompatibilitySingletonFactory;<a name="line.29"></a> @@ -115,904 +115,979 @@ <span class="sourceLineNo">107</span> private volatile long averageRegionSize = 0L;<a name="line.107"></a> <span class="sourceLineNo">108</span><a name="line.108"></a> <span class="sourceLineNo">109</span> private CacheStats cacheStats;<a name="line.109"></a> -<span class="sourceLineNo">110</span> private ScheduledExecutorService executor;<a name="line.110"></a> -<span class="sourceLineNo">111</span> private Runnable runnable;<a name="line.111"></a> -<span class="sourceLineNo">112</span> private long period;<a name="line.112"></a> -<span class="sourceLineNo">113</span><a name="line.113"></a> -<span class="sourceLineNo">114</span> /**<a name="line.114"></a> -<span class="sourceLineNo">115</span> * Can be null if not on hdfs.<a name="line.115"></a> -<span class="sourceLineNo">116</span> */<a name="line.116"></a> -<span class="sourceLineNo">117</span> private DFSHedgedReadMetrics dfsHedgedReadMetrics;<a name="line.117"></a> -<span class="sourceLineNo">118</span><a name="line.118"></a> -<span class="sourceLineNo">119</span> public MetricsRegionServerWrapperImpl(final HRegionServer regionServer) {<a name="line.119"></a> -<span class="sourceLineNo">120</span> this.regionServer = regionServer;<a name="line.120"></a> -<span class="sourceLineNo">121</span> initBlockCache();<a name="line.121"></a> -<span class="sourceLineNo">122</span> initMobFileCache();<a name="line.122"></a> -<span class="sourceLineNo">123</span><a name="line.123"></a> -<span class="sourceLineNo">124</span> this.period =<a name="line.124"></a> -<span class="sourceLineNo">125</span> regionServer.conf.getLong(HConstants.REGIONSERVER_METRICS_PERIOD,<a name="line.125"></a> -<span class="sourceLineNo">126</span> HConstants.DEFAULT_REGIONSERVER_METRICS_PERIOD);<a name="line.126"></a> -<span class="sourceLineNo">127</span><a name="line.127"></a> -<span class="sourceLineNo">128</span> this.executor = CompatibilitySingletonFactory.getInstance(MetricsExecutor.class).getExecutor();<a name="line.128"></a> -<span class="sourceLineNo">129</span> this.runnable = new RegionServerMetricsWrapperRunnable();<a name="line.129"></a> -<span class="sourceLineNo">130</span> this.executor.scheduleWithFixedDelay(this.runnable, this.period, this.period,<a name="line.130"></a> -<span class="sourceLineNo">131</span> TimeUnit.MILLISECONDS);<a name="line.131"></a> -<span class="sourceLineNo">132</span> this.metricsWALSource = CompatibilitySingletonFactory.getInstance(MetricsWALSource.class);<a name="line.132"></a> -<span class="sourceLineNo">133</span><a name="line.133"></a> -<span class="sourceLineNo">134</span> try {<a name="line.134"></a> -<span class="sourceLineNo">135</span> this.dfsHedgedReadMetrics = FSUtils.getDFSHedgedReadMetrics(regionServer.getConfiguration());<a name="line.135"></a> -<span class="sourceLineNo">136</span> } catch (IOException e) {<a name="line.136"></a> -<span class="sourceLineNo">137</span> LOG.warn("Failed to get hedged metrics", e);<a name="line.137"></a> -<span class="sourceLineNo">138</span> }<a name="line.138"></a> -<span class="sourceLineNo">139</span> if (LOG.isInfoEnabled()) {<a name="line.139"></a> -<span class="sourceLineNo">140</span> LOG.info("Computing regionserver metrics every " + this.period + " milliseconds");<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><a name="line.143"></a> -<span class="sourceLineNo">144</span> /**<a name="line.144"></a> -<span class="sourceLineNo">145</span> * It's possible that due to threading the block cache could not be initialized<a name="line.145"></a> -<span class="sourceLineNo">146</span> * yet (testing multiple region servers in one jvm). So we need to try and initialize<a name="line.146"></a> -<span class="sourceLineNo">147</span> * the blockCache and cacheStats reference multiple times until we succeed.<a name="line.147"></a> -<span class="sourceLineNo">148</span> */<a name="line.148"></a> -<span class="sourceLineNo">149</span> private synchronized void initBlockCache() {<a name="line.149"></a> -<span class="sourceLineNo">150</span> CacheConfig cacheConfig = this.regionServer.cacheConfig;<a name="line.150"></a> -<span class="sourceLineNo">151</span> if (cacheConfig != null && this.blockCache == null) {<a name="line.151"></a> -<span class="sourceLineNo">152</span> this.blockCache = cacheConfig.getBlockCache();<a name="line.152"></a> -<span class="sourceLineNo">153</span> }<a name="line.153"></a> -<span class="sourceLineNo">154</span><a name="line.154"></a> -<span class="sourceLineNo">155</span> if (this.blockCache != null && this.cacheStats == null) {<a name="line.155"></a> -<span class="sourceLineNo">156</span> this.cacheStats = blockCache.getStats();<a name="line.156"></a> -<span class="sourceLineNo">157</span> }<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> /**<a name="line.160"></a> -<span class="sourceLineNo">161</span> * Initializes the mob file cache.<a name="line.161"></a> -<span class="sourceLineNo">162</span> */<a name="line.162"></a> -<span class="sourceLineNo">163</span> private synchronized void initMobFileCache() {<a name="line.163"></a> -<span class="sourceLineNo">164</span> MobCacheConfig mobCacheConfig = this.regionServer.mobCacheConfig;<a name="line.164"></a> -<span class="sourceLineNo">165</span> if (mobCacheConfig != null && this.mobFileCache == null) {<a name="line.165"></a> -<span class="sourceLineNo">166</span> this.mobFileCache = mobCacheConfig.getMobFileCache();<a name="line.166"></a> -<span class="sourceLineNo">167</span> }<a name="line.167"></a> -<span class="sourceLineNo">168</span> }<a name="line.168"></a> -<span class="sourceLineNo">169</span><a name="line.169"></a> -<span class="sourceLineNo">170</span> @Override<a name="line.170"></a> -<span class="sourceLineNo">171</span> public String getClusterId() {<a name="line.171"></a> -<span class="sourceLineNo">172</span> return regionServer.getClusterId();<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 long getStartCode() {<a name="line.176"></a> -<span class="sourceLineNo">177</span> return regionServer.getStartcode();<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 String getZookeeperQuorum() {<a name="line.181"></a> -<span class="sourceLineNo">182</span> ZooKeeperWatcher zk = regionServer.getZooKeeper();<a name="line.182"></a> -<span class="sourceLineNo">183</span> if (zk == null) {<a name="line.183"></a> -<span class="sourceLineNo">184</span> return "";<a name="line.184"></a> -<span class="sourceLineNo">185</span> }<a name="line.185"></a> -<span class="sourceLineNo">186</span> return zk.getQuorum();<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> @Override<a name="line.189"></a> -<span class="sourceLineNo">190</span> public String getCoprocessors() {<a name="line.190"></a> -<span class="sourceLineNo">191</span> String[] coprocessors = regionServer.getRegionServerCoprocessors();<a name="line.191"></a> -<span class="sourceLineNo">192</span> if (coprocessors == null || coprocessors.length == 0) {<a name="line.192"></a> -<span class="sourceLineNo">193</span> return "";<a name="line.193"></a> -<span class="sourceLineNo">194</span> }<a name="line.194"></a> -<span class="sourceLineNo">195</span> return StringUtils.join(coprocessors, ", ");<a name="line.195"></a> -<span class="sourceLineNo">196</span> }<a name="line.196"></a> -<span class="sourceLineNo">197</span><a name="line.197"></a> -<span class="sourceLineNo">198</span> @Override<a name="line.198"></a> -<span class="sourceLineNo">199</span> public String getServerName() {<a name="line.199"></a> -<span class="sourceLineNo">200</span> ServerName serverName = regionServer.getServerName();<a name="line.200"></a> -<span class="sourceLineNo">201</span> if (serverName == null) {<a name="line.201"></a> -<span class="sourceLineNo">202</span> return "";<a name="line.202"></a> -<span class="sourceLineNo">203</span> }<a name="line.203"></a> -<span class="sourceLineNo">204</span> return serverName.getServerName();<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 long getNumOnlineRegions() {<a name="line.208"></a> -<span class="sourceLineNo">209</span> Collection<Region> onlineRegionsLocalContext = regionServer.getOnlineRegionsLocalContext();<a name="line.209"></a> -<span class="sourceLineNo">210</span> if (onlineRegionsLocalContext == null) {<a name="line.210"></a> -<span class="sourceLineNo">211</span> return 0;<a name="line.211"></a> -<span class="sourceLineNo">212</span> }<a name="line.212"></a> -<span class="sourceLineNo">213</span> return onlineRegionsLocalContext.size();<a name="line.213"></a> -<span class="sourceLineNo">214</span> }<a name="line.214"></a> -<span class="sourceLineNo">215</span><a name="line.215"></a> -<span class="sourceLineNo">216</span> @Override<a name="line.216"></a> -<span class="sourceLineNo">217</span> public long getTotalRequestCount() {<a name="line.217"></a> -<span class="sourceLineNo">218</span> return regionServer.rpcServices.requestCount.sum();<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> @Override<a name="line.221"></a> -<span class="sourceLineNo">222</span> public long getTotalRowActionRequestCount() {<a name="line.222"></a> -<span class="sourceLineNo">223</span> return regionServer.rpcServices.requestRowActionCount.sum();<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> @Override<a name="line.226"></a> -<span class="sourceLineNo">227</span> public int getSplitQueueSize() {<a name="line.227"></a> 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