http://git-wip-us.apache.org/repos/asf/hbase/blob/ef7355e1/devapidocs/src-html/org/apache/hadoop/hbase/util/RegionMover.Load.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/util/RegionMover.Load.html b/devapidocs/src-html/org/apache/hadoop/hbase/util/RegionMover.Load.html index 1c1ee99..6280cbc 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/util/RegionMover.Load.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/util/RegionMover.Load.html @@ -127,882 +127,874 @@ <span class="sourceLineNo">119</span> private int port = HConstants.DEFAULT_REGIONSERVER_PORT;<a name="line.119"></a> <span class="sourceLineNo">120</span><a name="line.120"></a> <span class="sourceLineNo">121</span> /**<a name="line.121"></a> -<span class="sourceLineNo">122</span> * Hostname to unload regions from or load regions to Valid format: <hostname> or<a name="line.122"></a> -<span class="sourceLineNo">123</span> * <hostname:port><a name="line.123"></a> -<span class="sourceLineNo">124</span> * @param hostname<a name="line.124"></a> -<span class="sourceLineNo">125</span> */<a name="line.125"></a> -<span class="sourceLineNo">126</span> public RegionMoverBuilder(String hostname) {<a name="line.126"></a> -<span class="sourceLineNo">127</span> String[] splitHostname = hostname.split(":");<a name="line.127"></a> -<span class="sourceLineNo">128</span> this.hostname = splitHostname[0];<a name="line.128"></a> -<span class="sourceLineNo">129</span> if (splitHostname.length == 2) {<a name="line.129"></a> -<span class="sourceLineNo">130</span> this.port = Integer.parseInt(splitHostname[1]);<a name="line.130"></a> -<span class="sourceLineNo">131</span> }<a name="line.131"></a> -<span class="sourceLineNo">132</span> setDefaultfilename(this.hostname);<a name="line.132"></a> -<span class="sourceLineNo">133</span> }<a name="line.133"></a> -<span class="sourceLineNo">134</span><a name="line.134"></a> -<span class="sourceLineNo">135</span> private void setDefaultfilename(String hostname) {<a name="line.135"></a> -<span class="sourceLineNo">136</span> this.filename =<a name="line.136"></a> -<span class="sourceLineNo">137</span> defaultDir + "/" + System.getProperty("user.name") + this.hostname + ":"<a name="line.137"></a> -<span class="sourceLineNo">138</span> + Integer.toString(this.port);<a name="line.138"></a> -<span class="sourceLineNo">139</span> }<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> * Path of file where regions will be written to during unloading/read from during loading<a name="line.142"></a> -<span class="sourceLineNo">143</span> * @param filename<a name="line.143"></a> -<span class="sourceLineNo">144</span> * @return RegionMoverBuilder object<a name="line.144"></a> -<span class="sourceLineNo">145</span> */<a name="line.145"></a> -<span class="sourceLineNo">146</span> public RegionMoverBuilder filename(String filename) {<a name="line.146"></a> -<span class="sourceLineNo">147</span> this.filename = filename;<a name="line.147"></a> -<span class="sourceLineNo">148</span> return this;<a name="line.148"></a> -<span class="sourceLineNo">149</span> }<a name="line.149"></a> -<span class="sourceLineNo">150</span><a name="line.150"></a> -<span class="sourceLineNo">151</span> /**<a name="line.151"></a> -<span class="sourceLineNo">152</span> * Set the max number of threads that will be used to move regions<a name="line.152"></a> -<span class="sourceLineNo">153</span> * @param threads<a name="line.153"></a> -<span class="sourceLineNo">154</span> * @return RegionMoverBuilder object<a name="line.154"></a> -<span class="sourceLineNo">155</span> */<a name="line.155"></a> -<span class="sourceLineNo">156</span> public RegionMoverBuilder maxthreads(int threads) {<a name="line.156"></a> -<span class="sourceLineNo">157</span> this.maxthreads = threads;<a name="line.157"></a> -<span class="sourceLineNo">158</span> return this;<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> /**<a name="line.161"></a> -<span class="sourceLineNo">162</span> * Path of file containing hostnames to be excluded during region movement Exclude file should<a name="line.162"></a> -<span class="sourceLineNo">163</span> * have <host:port> per line.Port is mandatory here as we can have many RS running on a single<a name="line.163"></a> -<span class="sourceLineNo">164</span> * host<a name="line.164"></a> -<span class="sourceLineNo">165</span> * @param excludefile<a name="line.165"></a> -<span class="sourceLineNo">166</span> * @return RegionMoverBuilder object<a name="line.166"></a> -<span class="sourceLineNo">167</span> */<a name="line.167"></a> -<span class="sourceLineNo">168</span> public RegionMoverBuilder excludeFile(String excludefile) {<a name="line.168"></a> -<span class="sourceLineNo">169</span> this.excludeFile = excludefile;<a name="line.169"></a> -<span class="sourceLineNo">170</span> return this;<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 name="line.173"></a> -<span class="sourceLineNo">174</span> * Set ack/noAck mode.<a name="line.174"></a> +<span class="sourceLineNo">122</span> * @param hostname Hostname to unload regions from or load regions to. Can be either hostname<a name="line.122"></a> +<span class="sourceLineNo">123</span> * or hostname:port.<a name="line.123"></a> +<span class="sourceLineNo">124</span> */<a name="line.124"></a> +<span class="sourceLineNo">125</span> public RegionMoverBuilder(String hostname) {<a name="line.125"></a> +<span class="sourceLineNo">126</span> String[] splitHostname = hostname.split(":");<a name="line.126"></a> +<span class="sourceLineNo">127</span> this.hostname = splitHostname[0];<a name="line.127"></a> +<span class="sourceLineNo">128</span> if (splitHostname.length == 2) {<a name="line.128"></a> +<span class="sourceLineNo">129</span> this.port = Integer.parseInt(splitHostname[1]);<a name="line.129"></a> +<span class="sourceLineNo">130</span> }<a name="line.130"></a> +<span class="sourceLineNo">131</span> setDefaultfilename(this.hostname);<a name="line.131"></a> +<span class="sourceLineNo">132</span> }<a name="line.132"></a> +<span class="sourceLineNo">133</span><a name="line.133"></a> +<span class="sourceLineNo">134</span> private void setDefaultfilename(String hostname) {<a name="line.134"></a> +<span class="sourceLineNo">135</span> this.filename =<a name="line.135"></a> +<span class="sourceLineNo">136</span> defaultDir + "/" + System.getProperty("user.name") + this.hostname + ":"<a name="line.136"></a> +<span class="sourceLineNo">137</span> + Integer.toString(this.port);<a name="line.137"></a> +<span class="sourceLineNo">138</span> }<a name="line.138"></a> +<span class="sourceLineNo">139</span><a name="line.139"></a> +<span class="sourceLineNo">140</span> /**<a name="line.140"></a> +<span class="sourceLineNo">141</span> * Path of file where regions will be written to during unloading/read from during loading<a name="line.141"></a> +<span class="sourceLineNo">142</span> * @param filename<a name="line.142"></a> +<span class="sourceLineNo">143</span> * @return RegionMoverBuilder object<a name="line.143"></a> +<span class="sourceLineNo">144</span> */<a name="line.144"></a> +<span class="sourceLineNo">145</span> public RegionMoverBuilder filename(String filename) {<a name="line.145"></a> +<span class="sourceLineNo">146</span> this.filename = filename;<a name="line.146"></a> +<span class="sourceLineNo">147</span> return this;<a name="line.147"></a> +<span class="sourceLineNo">148</span> }<a name="line.148"></a> +<span class="sourceLineNo">149</span><a name="line.149"></a> +<span class="sourceLineNo">150</span> /**<a name="line.150"></a> +<span class="sourceLineNo">151</span> * Set the max number of threads that will be used to move regions<a name="line.151"></a> +<span class="sourceLineNo">152</span> */<a name="line.152"></a> +<span class="sourceLineNo">153</span> public RegionMoverBuilder maxthreads(int threads) {<a name="line.153"></a> +<span class="sourceLineNo">154</span> this.maxthreads = threads;<a name="line.154"></a> +<span class="sourceLineNo">155</span> return this;<a name="line.155"></a> +<span class="sourceLineNo">156</span> }<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> * Path of file containing hostnames to be excluded during region movement. Exclude file should<a name="line.159"></a> +<span class="sourceLineNo">160</span> * have 'host:port' per line. Port is mandatory here as we can have many RS running on a single<a name="line.160"></a> +<span class="sourceLineNo">161</span> * host.<a name="line.161"></a> +<span class="sourceLineNo">162</span> */<a name="line.162"></a> +<span class="sourceLineNo">163</span> public RegionMoverBuilder excludeFile(String excludefile) {<a name="line.163"></a> +<span class="sourceLineNo">164</span> this.excludeFile = excludefile;<a name="line.164"></a> +<span class="sourceLineNo">165</span> return this;<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> /**<a name="line.168"></a> +<span class="sourceLineNo">169</span> * Set ack/noAck mode.<a name="line.169"></a> +<span class="sourceLineNo">170</span> * <p><a name="line.170"></a> +<span class="sourceLineNo">171</span> * In ack mode regions are acknowledged before and after moving and the move is retried<a name="line.171"></a> +<span class="sourceLineNo">172</span> * hbase.move.retries.max times, if unsuccessful we quit with exit code 1.No Ack mode is a best<a name="line.172"></a> +<span class="sourceLineNo">173</span> * effort mode,each region movement is tried once.This can be used during graceful shutdown as<a name="line.173"></a> +<span class="sourceLineNo">174</span> * even if we have a stuck region,upon shutdown it'll be reassigned anyway.<a name="line.174"></a> <span class="sourceLineNo">175</span> * <p><a name="line.175"></a> -<span class="sourceLineNo">176</span> * In ack mode regions are acknowledged before and after moving and the move is retried<a name="line.176"></a> -<span class="sourceLineNo">177</span> * hbase.move.retries.max times, if unsuccessful we quit with exit code 1.No Ack mode is a best<a name="line.177"></a> -<span class="sourceLineNo">178</span> * effort mode,each region movement is tried once.This can be used during graceful shutdown as<a name="line.178"></a> -<span class="sourceLineNo">179</span> * even if we have a stuck region,upon shutdown it'll be reassigned anyway.<a name="line.179"></a> -<span class="sourceLineNo">180</span> * <p><a name="line.180"></a> -<span class="sourceLineNo">181</span> * @param ack<a name="line.181"></a> -<span class="sourceLineNo">182</span> * @return RegionMoverBuilder object<a name="line.182"></a> -<span class="sourceLineNo">183</span> */<a name="line.183"></a> -<span class="sourceLineNo">184</span> public RegionMoverBuilder ack(boolean ack) {<a name="line.184"></a> -<span class="sourceLineNo">185</span> this.ack = ack;<a name="line.185"></a> -<span class="sourceLineNo">186</span> return this;<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> * Set the timeout for Load/Unload operation in seconds.This is a global timeout,threadpool for<a name="line.190"></a> -<span class="sourceLineNo">191</span> * movers also have a separate time which is hbase.move.wait.max * number of regions to<a name="line.191"></a> -<span class="sourceLineNo">192</span> * load/unload<a name="line.192"></a> -<span class="sourceLineNo">193</span> * @param timeout in seconds<a name="line.193"></a> -<span class="sourceLineNo">194</span> * @return RegionMoverBuilder object<a name="line.194"></a> -<span class="sourceLineNo">195</span> */<a name="line.195"></a> -<span class="sourceLineNo">196</span> public RegionMoverBuilder timeout(int timeout) {<a name="line.196"></a> -<span class="sourceLineNo">197</span> this.timeout = timeout;<a name="line.197"></a> -<span class="sourceLineNo">198</span> return this;<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> /**<a name="line.201"></a> -<span class="sourceLineNo">202</span> * This method builds the appropriate RegionMover object which can then be used to load/unload<a name="line.202"></a> -<span class="sourceLineNo">203</span> * using load and unload methods<a name="line.203"></a> -<span class="sourceLineNo">204</span> * @return RegionMover object<a name="line.204"></a> -<span class="sourceLineNo">205</span> */<a name="line.205"></a> -<span class="sourceLineNo">206</span> public RegionMover build() {<a name="line.206"></a> -<span class="sourceLineNo">207</span> return new RegionMover(this);<a name="line.207"></a> -<span class="sourceLineNo">208</span> }<a name="line.208"></a> -<span class="sourceLineNo">209</span> }<a name="line.209"></a> -<span class="sourceLineNo">210</span><a name="line.210"></a> -<span class="sourceLineNo">211</span> /**<a name="line.211"></a> -<span class="sourceLineNo">212</span> * Loads the specified {@link #hostname} with regions listed in the {@link #filename} RegionMover<a name="line.212"></a> -<span class="sourceLineNo">213</span> * Object has to be created using {@link #RegionMover(RegionMoverBuilder)}<a name="line.213"></a> -<span class="sourceLineNo">214</span> * @return true if loading succeeded, false otherwise<a name="line.214"></a> -<span class="sourceLineNo">215</span> * @throws ExecutionException<a name="line.215"></a> -<span class="sourceLineNo">216</span> * @throws InterruptedException if the loader thread was interrupted<a name="line.216"></a> -<span class="sourceLineNo">217</span> * @throws TimeoutException<a name="line.217"></a> -<span class="sourceLineNo">218</span> */<a name="line.218"></a> -<span class="sourceLineNo">219</span> public boolean load() throws ExecutionException, InterruptedException, TimeoutException {<a name="line.219"></a> -<span class="sourceLineNo">220</span> setConf();<a name="line.220"></a> -<span class="sourceLineNo">221</span> ExecutorService loadPool = Executors.newFixedThreadPool(1);<a name="line.221"></a> -<span class="sourceLineNo">222</span> Future<Boolean> loadTask = loadPool.submit(new Load(this));<a name="line.222"></a> -<span class="sourceLineNo">223</span> loadPool.shutdown();<a name="line.223"></a> -<span class="sourceLineNo">224</span> try {<a name="line.224"></a> -<span class="sourceLineNo">225</span> if (!loadPool.awaitTermination((long) this.timeout, TimeUnit.SECONDS)) {<a name="line.225"></a> -<span class="sourceLineNo">226</span> LOG.warn("Timed out before finishing the loading operation. Timeout:" + this.timeout<a name="line.226"></a> -<span class="sourceLineNo">227</span> + "sec");<a name="line.227"></a> -<span class="sourceLineNo">228</span> loadPool.shutdownNow();<a name="line.228"></a> -<span class="sourceLineNo">229</span> }<a name="line.229"></a> -<span class="sourceLineNo">230</span> } catch (InterruptedException e) {<a name="line.230"></a> -<span class="sourceLineNo">231</span> loadPool.shutdownNow();<a name="line.231"></a> -<span class="sourceLineNo">232</span> Thread.currentThread().interrupt();<a name="line.232"></a> -<span class="sourceLineNo">233</span> }<a name="line.233"></a> -<span class="sourceLineNo">234</span> try {<a name="line.234"></a> -<span class="sourceLineNo">235</span> return loadTask.get(5, TimeUnit.SECONDS);<a name="line.235"></a> -<span class="sourceLineNo">236</span> } catch (InterruptedException e) {<a name="line.236"></a> -<span class="sourceLineNo">237</span> LOG.warn("Interrupted while loading Regions on " + this.hostname, e);<a name="line.237"></a> -<span class="sourceLineNo">238</span> throw e;<a name="line.238"></a> -<span class="sourceLineNo">239</span> } catch (ExecutionException e) {<a name="line.239"></a> -<span class="sourceLineNo">240</span> LOG.error("Error while loading regions on RegionServer " + this.hostname, e);<a name="line.240"></a> -<span class="sourceLineNo">241</span> throw e;<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><a name="line.244"></a> -<span class="sourceLineNo">245</span> private class Load implements Callable<Boolean> {<a name="line.245"></a> -<span class="sourceLineNo">246</span><a name="line.246"></a> -<span class="sourceLineNo">247</span> private RegionMover rm;<a name="line.247"></a> -<span class="sourceLineNo">248</span><a name="line.248"></a> -<span class="sourceLineNo">249</span> public Load(RegionMover rm) {<a name="line.249"></a> -<span class="sourceLineNo">250</span> this.rm = rm;<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> @Override<a name="line.253"></a> -<span class="sourceLineNo">254</span> public Boolean call() throws IOException {<a name="line.254"></a> -<span class="sourceLineNo">255</span> Connection conn = ConnectionFactory.createConnection(rm.conf);<a name="line.255"></a> -<span class="sourceLineNo">256</span> try {<a name="line.256"></a> -<span class="sourceLineNo">257</span> List<HRegionInfo> regionsToMove = readRegionsFromFile(rm.filename);<a name="line.257"></a> -<span class="sourceLineNo">258</span> if (regionsToMove.isEmpty()) {<a name="line.258"></a> -<span class="sourceLineNo">259</span> LOG.info("No regions to load.Exiting");<a name="line.259"></a> -<span class="sourceLineNo">260</span> return true;<a name="line.260"></a> -<span class="sourceLineNo">261</span> }<a name="line.261"></a> -<span class="sourceLineNo">262</span> Admin admin = conn.getAdmin();<a name="line.262"></a> -<span class="sourceLineNo">263</span> try {<a name="line.263"></a> -<span class="sourceLineNo">264</span> loadRegions(admin, rm.hostname, rm.port, regionsToMove, rm.ack);<a name="line.264"></a> -<span class="sourceLineNo">265</span> } finally {<a name="line.265"></a> -<span class="sourceLineNo">266</span> admin.close();<a name="line.266"></a> -<span class="sourceLineNo">267</span> }<a name="line.267"></a> -<span class="sourceLineNo">268</span> } catch (Exception e) {<a name="line.268"></a> -<span class="sourceLineNo">269</span> LOG.error("Error while loading regions to " + rm.hostname, e);<a name="line.269"></a> -<span class="sourceLineNo">270</span> return false;<a name="line.270"></a> -<span class="sourceLineNo">271</span> } finally {<a name="line.271"></a> -<span class="sourceLineNo">272</span> conn.close();<a name="line.272"></a> -<span class="sourceLineNo">273</span> }<a name="line.273"></a> -<span class="sourceLineNo">274</span> return true;<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> /**<a name="line.278"></a> -<span class="sourceLineNo">279</span> * Unload regions from given {@link #hostname} using ack/noAck mode and {@link #maxthreads}.In<a name="line.279"></a> -<span class="sourceLineNo">280</span> * noAck mode we do not make sure that region is successfully online on the target region<a name="line.280"></a> -<span class="sourceLineNo">281</span> * server,hence it is best effort.We do not unload regions to hostnames given in<a name="line.281"></a> -<span class="sourceLineNo">282</span> * {@link #excludeFile}.<a name="line.282"></a> -<span class="sourceLineNo">283</span> * @return true if unloading succeeded, false otherwise<a name="line.283"></a> -<span class="sourceLineNo">284</span> * @throws InterruptedException if the unloader thread was interrupted<a name="line.284"></a> -<span class="sourceLineNo">285</span> * @throws ExecutionException<a name="line.285"></a> -<span class="sourceLineNo">286</span> * @throws TimeoutException<a name="line.286"></a> -<span class="sourceLineNo">287</span> */<a name="line.287"></a> -<span class="sourceLineNo">288</span> public boolean unload() throws InterruptedException, ExecutionException, TimeoutException {<a name="line.288"></a> -<span class="sourceLineNo">289</span> setConf();<a name="line.289"></a> -<span class="sourceLineNo">290</span> deleteFile(this.filename);<a name="line.290"></a> -<span class="sourceLineNo">291</span> ExecutorService unloadPool = Executors.newFixedThreadPool(1);<a name="line.291"></a> -<span class="sourceLineNo">292</span> Future<Boolean> unloadTask = unloadPool.submit(new Unload(this));<a name="line.292"></a> -<span class="sourceLineNo">293</span> unloadPool.shutdown();<a name="line.293"></a> -<span class="sourceLineNo">294</span> try {<a name="line.294"></a> -<span class="sourceLineNo">295</span> if (!unloadPool.awaitTermination((long) this.timeout, TimeUnit.SECONDS)) {<a name="line.295"></a> -<span class="sourceLineNo">296</span> LOG.warn("Timed out before finishing the unloading operation. Timeout:" + this.timeout<a name="line.296"></a> -<span class="sourceLineNo">297</span> + "sec");<a name="line.297"></a> -<span class="sourceLineNo">298</span> unloadPool.shutdownNow();<a name="line.298"></a> -<span class="sourceLineNo">299</span> }<a name="line.299"></a> -<span class="sourceLineNo">300</span> } catch (InterruptedException e) {<a name="line.300"></a> -<span class="sourceLineNo">301</span> unloadPool.shutdownNow();<a name="line.301"></a> -<span class="sourceLineNo">302</span> Thread.currentThread().interrupt();<a name="line.302"></a> -<span class="sourceLineNo">303</span> }<a name="line.303"></a> -<span class="sourceLineNo">304</span> try {<a name="line.304"></a> -<span class="sourceLineNo">305</span> return unloadTask.get(5, TimeUnit.SECONDS);<a name="line.305"></a> -<span class="sourceLineNo">306</span> } catch (InterruptedException e) {<a name="line.306"></a> -<span class="sourceLineNo">307</span> LOG.warn("Interrupted while unloading Regions from " + this.hostname, e);<a name="line.307"></a> -<span class="sourceLineNo">308</span> throw e;<a name="line.308"></a> -<span class="sourceLineNo">309</span> } catch (ExecutionException e) {<a name="line.309"></a> -<span class="sourceLineNo">310</span> LOG.error("Error while unloading regions from RegionServer " + this.hostname, e);<a name="line.310"></a> -<span class="sourceLineNo">311</span> throw e;<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">176</span> * @param ack<a name="line.176"></a> +<span class="sourceLineNo">177</span> * @return RegionMoverBuilder object<a name="line.177"></a> +<span class="sourceLineNo">178</span> */<a name="line.178"></a> +<span class="sourceLineNo">179</span> public RegionMoverBuilder ack(boolean ack) {<a name="line.179"></a> +<span class="sourceLineNo">180</span> this.ack = ack;<a name="line.180"></a> +<span class="sourceLineNo">181</span> return this;<a name="line.181"></a> +<span class="sourceLineNo">182</span> }<a name="line.182"></a> +<span class="sourceLineNo">183</span><a name="line.183"></a> +<span class="sourceLineNo">184</span> /**<a name="line.184"></a> +<span class="sourceLineNo">185</span> * Set the timeout for Load/Unload operation in seconds.This is a global timeout,threadpool for<a name="line.185"></a> +<span class="sourceLineNo">186</span> * movers also have a separate time which is hbase.move.wait.max * number of regions to<a name="line.186"></a> +<span class="sourceLineNo">187</span> * load/unload<a name="line.187"></a> +<span class="sourceLineNo">188</span> * @param timeout in seconds<a name="line.188"></a> +<span class="sourceLineNo">189</span> * @return RegionMoverBuilder object<a name="line.189"></a> +<span class="sourceLineNo">190</span> */<a name="line.190"></a> +<span class="sourceLineNo">191</span> public RegionMoverBuilder timeout(int timeout) {<a name="line.191"></a> +<span class="sourceLineNo">192</span> this.timeout = timeout;<a name="line.192"></a> +<span class="sourceLineNo">193</span> return this;<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> /**<a name="line.196"></a> +<span class="sourceLineNo">197</span> * This method builds the appropriate RegionMover object which can then be used to load/unload<a name="line.197"></a> +<span class="sourceLineNo">198</span> * using load and unload methods<a name="line.198"></a> +<span class="sourceLineNo">199</span> * @return RegionMover object<a name="line.199"></a> +<span class="sourceLineNo">200</span> */<a name="line.200"></a> +<span class="sourceLineNo">201</span> public RegionMover build() {<a name="line.201"></a> +<span class="sourceLineNo">202</span> return new RegionMover(this);<a name="line.202"></a> +<span class="sourceLineNo">203</span> }<a name="line.203"></a> +<span class="sourceLineNo">204</span> }<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> * Loads the specified {@link #hostname} with regions listed in the {@link #filename} RegionMover<a name="line.207"></a> +<span class="sourceLineNo">208</span> * Object has to be created using {@link #RegionMover(RegionMoverBuilder)}<a name="line.208"></a> +<span class="sourceLineNo">209</span> * @return true if loading succeeded, false otherwise<a name="line.209"></a> +<span class="sourceLineNo">210</span> * @throws ExecutionException<a name="line.210"></a> +<span class="sourceLineNo">211</span> * @throws InterruptedException if the loader thread was interrupted<a name="line.211"></a> +<span class="sourceLineNo">212</span> * @throws TimeoutException<a name="line.212"></a> +<span class="sourceLineNo">213</span> */<a name="line.213"></a> +<span class="sourceLineNo">214</span> public boolean load() throws ExecutionException, InterruptedException, TimeoutException {<a name="line.214"></a> +<span class="sourceLineNo">215</span> setConf();<a name="line.215"></a> +<span class="sourceLineNo">216</span> ExecutorService loadPool = Executors.newFixedThreadPool(1);<a name="line.216"></a> +<span class="sourceLineNo">217</span> Future<Boolean> loadTask = loadPool.submit(new Load(this));<a name="line.217"></a> +<span class="sourceLineNo">218</span> loadPool.shutdown();<a name="line.218"></a> +<span class="sourceLineNo">219</span> try {<a name="line.219"></a> +<span class="sourceLineNo">220</span> if (!loadPool.awaitTermination((long) this.timeout, TimeUnit.SECONDS)) {<a name="line.220"></a> +<span class="sourceLineNo">221</span> LOG.warn("Timed out before finishing the loading operation. Timeout:" + this.timeout<a name="line.221"></a> +<span class="sourceLineNo">222</span> + "sec");<a name="line.222"></a> +<span class="sourceLineNo">223</span> loadPool.shutdownNow();<a name="line.223"></a> +<span class="sourceLineNo">224</span> }<a name="line.224"></a> +<span class="sourceLineNo">225</span> } catch (InterruptedException e) {<a name="line.225"></a> +<span class="sourceLineNo">226</span> loadPool.shutdownNow();<a name="line.226"></a> +<span class="sourceLineNo">227</span> Thread.currentThread().interrupt();<a name="line.227"></a> +<span class="sourceLineNo">228</span> }<a name="line.228"></a> +<span class="sourceLineNo">229</span> try {<a name="line.229"></a> +<span class="sourceLineNo">230</span> return loadTask.get(5, TimeUnit.SECONDS);<a name="line.230"></a> +<span class="sourceLineNo">231</span> } catch (InterruptedException e) {<a name="line.231"></a> +<span class="sourceLineNo">232</span> LOG.warn("Interrupted while loading Regions on " + this.hostname, e);<a name="line.232"></a> +<span class="sourceLineNo">233</span> throw e;<a name="line.233"></a> +<span class="sourceLineNo">234</span> } catch (ExecutionException e) {<a name="line.234"></a> +<span class="sourceLineNo">235</span> LOG.error("Error while loading regions on RegionServer " + this.hostname, e);<a name="line.235"></a> +<span class="sourceLineNo">236</span> throw e;<a name="line.236"></a> +<span class="sourceLineNo">237</span> }<a name="line.237"></a> +<span class="sourceLineNo">238</span> }<a name="line.238"></a> +<span class="sourceLineNo">239</span><a name="line.239"></a> +<span class="sourceLineNo">240</span> private class Load implements Callable<Boolean> {<a name="line.240"></a> +<span class="sourceLineNo">241</span><a name="line.241"></a> +<span class="sourceLineNo">242</span> private RegionMover rm;<a name="line.242"></a> +<span class="sourceLineNo">243</span><a name="line.243"></a> +<span class="sourceLineNo">244</span> public Load(RegionMover rm) {<a name="line.244"></a> +<span class="sourceLineNo">245</span> this.rm = rm;<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<a name="line.248"></a> +<span class="sourceLineNo">249</span> public Boolean call() throws IOException {<a name="line.249"></a> +<span class="sourceLineNo">250</span> Connection conn = ConnectionFactory.createConnection(rm.conf);<a name="line.250"></a> +<span class="sourceLineNo">251</span> try {<a name="line.251"></a> +<span class="sourceLineNo">252</span> List<HRegionInfo> regionsToMove = readRegionsFromFile(rm.filename);<a name="line.252"></a> +<span class="sourceLineNo">253</span> if (regionsToMove.isEmpty()) {<a name="line.253"></a> +<span class="sourceLineNo">254</span> LOG.info("No regions to load.Exiting");<a name="line.254"></a> +<span class="sourceLineNo">255</span> return true;<a name="line.255"></a> +<span class="sourceLineNo">256</span> }<a name="line.256"></a> +<span class="sourceLineNo">257</span> Admin admin = conn.getAdmin();<a name="line.257"></a> +<span class="sourceLineNo">258</span> try {<a name="line.258"></a> +<span class="sourceLineNo">259</span> loadRegions(admin, rm.hostname, rm.port, regionsToMove, rm.ack);<a name="line.259"></a> +<span class="sourceLineNo">260</span> } finally {<a name="line.260"></a> +<span class="sourceLineNo">261</span> admin.close();<a name="line.261"></a> +<span class="sourceLineNo">262</span> }<a name="line.262"></a> +<span class="sourceLineNo">263</span> } catch (Exception e) {<a name="line.263"></a> +<span class="sourceLineNo">264</span> LOG.error("Error while loading regions to " + rm.hostname, e);<a name="line.264"></a> +<span class="sourceLineNo">265</span> return false;<a name="line.265"></a> +<span class="sourceLineNo">266</span> } finally {<a name="line.266"></a> +<span class="sourceLineNo">267</span> conn.close();<a name="line.267"></a> +<span class="sourceLineNo">268</span> }<a name="line.268"></a> +<span class="sourceLineNo">269</span> return true;<a name="line.269"></a> +<span class="sourceLineNo">270</span> }<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> /**<a name="line.273"></a> +<span class="sourceLineNo">274</span> * Unload regions from given {@link #hostname} using ack/noAck mode and {@link #maxthreads}.In<a name="line.274"></a> +<span class="sourceLineNo">275</span> * noAck mode we do not make sure that region is successfully online on the target region<a name="line.275"></a> +<span class="sourceLineNo">276</span> * server,hence it is best effort.We do not unload regions to hostnames given in<a name="line.276"></a> +<span class="sourceLineNo">277</span> * {@link #excludeFile}.<a name="line.277"></a> +<span class="sourceLineNo">278</span> * @return true if unloading succeeded, false otherwise<a name="line.278"></a> +<span class="sourceLineNo">279</span> * @throws InterruptedException if the unloader thread was interrupted<a name="line.279"></a> +<span class="sourceLineNo">280</span> * @throws ExecutionException<a name="line.280"></a> +<span class="sourceLineNo">281</span> * @throws TimeoutException<a name="line.281"></a> +<span class="sourceLineNo">282</span> */<a name="line.282"></a> +<span class="sourceLineNo">283</span> public boolean unload() throws InterruptedException, ExecutionException, TimeoutException {<a name="line.283"></a> +<span class="sourceLineNo">284</span> setConf();<a name="line.284"></a> +<span class="sourceLineNo">285</span> deleteFile(this.filename);<a name="line.285"></a> +<span class="sourceLineNo">286</span> ExecutorService unloadPool = Executors.newFixedThreadPool(1);<a name="line.286"></a> +<span class="sourceLineNo">287</span> Future<Boolean> unloadTask = unloadPool.submit(new Unload(this));<a name="line.287"></a> +<span class="sourceLineNo">288</span> unloadPool.shutdown();<a name="line.288"></a> +<span class="sourceLineNo">289</span> try {<a name="line.289"></a> +<span class="sourceLineNo">290</span> if (!unloadPool.awaitTermination((long) this.timeout, TimeUnit.SECONDS)) {<a name="line.290"></a> +<span class="sourceLineNo">291</span> LOG.warn("Timed out before finishing the unloading operation. Timeout:" + this.timeout<a name="line.291"></a> +<span class="sourceLineNo">292</span> + "sec");<a name="line.292"></a> +<span class="sourceLineNo">293</span> unloadPool.shutdownNow();<a name="line.293"></a> +<span class="sourceLineNo">294</span> }<a name="line.294"></a> +<span class="sourceLineNo">295</span> } catch (InterruptedException e) {<a name="line.295"></a> +<span class="sourceLineNo">296</span> unloadPool.shutdownNow();<a name="line.296"></a> +<span class="sourceLineNo">297</span> Thread.currentThread().interrupt();<a name="line.297"></a> +<span class="sourceLineNo">298</span> }<a name="line.298"></a> +<span class="sourceLineNo">299</span> try {<a name="line.299"></a> +<span class="sourceLineNo">300</span> return unloadTask.get(5, TimeUnit.SECONDS);<a name="line.300"></a> +<span class="sourceLineNo">301</span> } catch (InterruptedException e) {<a name="line.301"></a> +<span class="sourceLineNo">302</span> LOG.warn("Interrupted while unloading Regions from " + this.hostname, e);<a name="line.302"></a> +<span class="sourceLineNo">303</span> throw e;<a name="line.303"></a> +<span class="sourceLineNo">304</span> } catch (ExecutionException e) {<a name="line.304"></a> +<span class="sourceLineNo">305</span> LOG.error("Error while unloading regions from RegionServer " + this.hostname, e);<a name="line.305"></a> +<span class="sourceLineNo">306</span> throw e;<a name="line.306"></a> +<span class="sourceLineNo">307</span> }<a name="line.307"></a> +<span class="sourceLineNo">308</span> }<a name="line.308"></a> +<span class="sourceLineNo">309</span><a name="line.309"></a> +<span class="sourceLineNo">310</span> private class Unload implements Callable<Boolean> {<a name="line.310"></a> +<span class="sourceLineNo">311</span><a name="line.311"></a> +<span class="sourceLineNo">312</span> List<HRegionInfo> movedRegions = Collections.synchronizedList(new ArrayList<HRegionInfo>());<a name="line.312"></a> +<span class="sourceLineNo">313</span> private RegionMover rm;<a name="line.313"></a> <span class="sourceLineNo">314</span><a name="line.314"></a> -<span class="sourceLineNo">315</span> private class Unload implements Callable<Boolean> {<a name="line.315"></a> -<span class="sourceLineNo">316</span><a name="line.316"></a> -<span class="sourceLineNo">317</span> List<HRegionInfo> movedRegions = Collections.synchronizedList(new ArrayList<HRegionInfo>());<a name="line.317"></a> -<span class="sourceLineNo">318</span> private RegionMover rm;<a name="line.318"></a> -<span class="sourceLineNo">319</span><a name="line.319"></a> -<span class="sourceLineNo">320</span> public Unload(RegionMover rm) {<a name="line.320"></a> -<span class="sourceLineNo">321</span> this.rm = rm;<a name="line.321"></a> -<span class="sourceLineNo">322</span> }<a name="line.322"></a> -<span class="sourceLineNo">323</span><a name="line.323"></a> -<span class="sourceLineNo">324</span> @Override<a name="line.324"></a> -<span class="sourceLineNo">325</span> public Boolean call() throws IOException {<a name="line.325"></a> -<span class="sourceLineNo">326</span> Connection conn = ConnectionFactory.createConnection(rm.conf);<a name="line.326"></a> -<span class="sourceLineNo">327</span> try {<a name="line.327"></a> -<span class="sourceLineNo">328</span> Admin admin = conn.getAdmin();<a name="line.328"></a> -<span class="sourceLineNo">329</span> // Get Online RegionServers<a name="line.329"></a> -<span class="sourceLineNo">330</span> ArrayList<String> regionServers = getServers(admin);<a name="line.330"></a> -<span class="sourceLineNo">331</span> if (LOG.isDebugEnabled()) {<a name="line.331"></a> -<span class="sourceLineNo">332</span> LOG.debug("Online region servers:" + regionServers.toString());<a name="line.332"></a> -<span class="sourceLineNo">333</span> }<a name="line.333"></a> -<span class="sourceLineNo">334</span> // Remove the host Region server from target Region Servers list<a name="line.334"></a> -<span class="sourceLineNo">335</span> String server = stripServer(regionServers, hostname, port);<a name="line.335"></a> -<span class="sourceLineNo">336</span> // Remove RS present in the exclude file<a name="line.336"></a> -<span class="sourceLineNo">337</span> stripExcludes(regionServers, rm.excludeFile);<a name="line.337"></a> -<span class="sourceLineNo">338</span> stripMaster(regionServers, admin);<a name="line.338"></a> -<span class="sourceLineNo">339</span> unloadRegions(admin, server, regionServers, rm.ack, movedRegions);<a name="line.339"></a> -<span class="sourceLineNo">340</span> } catch (Exception e) {<a name="line.340"></a> -<span class="sourceLineNo">341</span> LOG.error("Error while unloading regions ", e);<a name="line.341"></a> -<span class="sourceLineNo">342</span> return false;<a name="line.342"></a> -<span class="sourceLineNo">343</span> } finally {<a name="line.343"></a> -<span class="sourceLineNo">344</span> try {<a name="line.344"></a> -<span class="sourceLineNo">345</span> conn.close();<a name="line.345"></a> -<span class="sourceLineNo">346</span> } catch (IOException e) {<a name="line.346"></a> -<span class="sourceLineNo">347</span> // ignore<a name="line.347"></a> -<span class="sourceLineNo">348</span> }<a name="line.348"></a> -<span class="sourceLineNo">349</span> if (movedRegions != null) {<a name="line.349"></a> -<span class="sourceLineNo">350</span> writeFile(rm.filename, movedRegions);<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> return true;<a name="line.353"></a> -<span class="sourceLineNo">354</span> }<a name="line.354"></a> -<span class="sourceLineNo">355</span> }<a name="line.355"></a> -<span class="sourceLineNo">356</span><a name="line.356"></a> -<span class="sourceLineNo">357</span> /**<a name="line.357"></a> -<span class="sourceLineNo">358</span> * Creates a new configuration if not already set and sets region mover specific overrides<a name="line.358"></a> -<span class="sourceLineNo">359</span> */<a name="line.359"></a> -<span class="sourceLineNo">360</span> private void setConf() {<a name="line.360"></a> -<span class="sourceLineNo">361</span> if (conf == null) {<a name="line.361"></a> -<span class="sourceLineNo">362</span> conf = HBaseConfiguration.create();<a name="line.362"></a> -<span class="sourceLineNo">363</span> conf.setInt("hbase.client.prefetch.limit", 1);<a name="line.363"></a> -<span class="sourceLineNo">364</span> conf.setInt("hbase.client.pause", 500);<a name="line.364"></a> -<span class="sourceLineNo">365</span> conf.setInt("hbase.client.retries.number", 100);<a name="line.365"></a> -<span class="sourceLineNo">366</span> }<a name="line.366"></a> -<span class="sourceLineNo">367</span> }<a name="line.367"></a> -<span class="sourceLineNo">368</span><a name="line.368"></a> -<span class="sourceLineNo">369</span> private void loadRegions(Admin admin, String hostname, int port,<a name="line.369"></a> -<span class="sourceLineNo">370</span> List<HRegionInfo> regionsToMove, boolean ack) throws Exception {<a name="line.370"></a> -<span class="sourceLineNo">371</span> String server = null;<a name="line.371"></a> -<span class="sourceLineNo">372</span> List<HRegionInfo> movedRegions = Collections.synchronizedList(new ArrayList<HRegionInfo>());<a name="line.372"></a> -<span class="sourceLineNo">373</span> int maxWaitInSeconds =<a name="line.373"></a> -<span class="sourceLineNo">374</span> admin.getConfiguration().getInt(SERVERSTART_WAIT_MAX_KEY, DEFAULT_SERVERSTART_WAIT_MAX);<a name="line.374"></a> -<span class="sourceLineNo">375</span> long maxWait = EnvironmentEdgeManager.currentTime() + maxWaitInSeconds * 1000;<a name="line.375"></a> -<span class="sourceLineNo">376</span> while ((EnvironmentEdgeManager.currentTime() < maxWait) && (server == null)) {<a name="line.376"></a> -<span class="sourceLineNo">377</span> try {<a name="line.377"></a> -<span class="sourceLineNo">378</span> ArrayList<String> regionServers = getServers(admin);<a name="line.378"></a> -<span class="sourceLineNo">379</span> // Remove the host Region server from target Region Servers list<a name="line.379"></a> -<span class="sourceLineNo">380</span> server = stripServer(regionServers, hostname, port);<a name="line.380"></a> -<span class="sourceLineNo">381</span> if (server != null) {<a name="line.381"></a> -<span class="sourceLineNo">382</span> break;<a name="line.382"></a> -<span class="sourceLineNo">383</span> }<a name="line.383"></a> -<span class="sourceLineNo">384</span> } catch (IOException e) {<a name="line.384"></a> -<span class="sourceLineNo">385</span> LOG.warn("Could not get list of region servers", e);<a name="line.385"></a> -<span class="sourceLineNo">386</span> } catch (Exception e) {<a name="line.386"></a> -<span class="sourceLineNo">387</span> LOG.info("hostname=" + hostname + " is not up yet, waiting", e);<a name="line.387"></a> -<span class="sourceLineNo">388</span> }<a name="line.388"></a> -<span class="sourceLineNo">389</span> try {<a name="line.389"></a> -<span class="sourceLineNo">390</span> Thread.sleep(500);<a name="line.390"></a> -<span class="sourceLineNo">391</span> } catch (InterruptedException e) {<a name="line.391"></a> -<span class="sourceLineNo">392</span> LOG.error("Interrupted while waiting for " + hostname + " to be up.Quitting now", e);<a name="line.392"></a> -<span class="sourceLineNo">393</span> throw e;<a name="line.393"></a> -<span class="sourceLineNo">394</span> }<a name="line.394"></a> -<span class="sourceLineNo">395</span> }<a name="line.395"></a> -<span class="sourceLineNo">396</span> if (server == null) {<a name="line.396"></a> -<span class="sourceLineNo">397</span> LOG.error("Host:" + hostname + " is not up.Giving up.");<a name="line.397"></a> -<span class="sourceLineNo">398</span> throw new Exception("Host to load regions not online");<a name="line.398"></a> -<span class="sourceLineNo">399</span> }<a name="line.399"></a> -<span class="sourceLineNo">400</span> LOG.info("Moving" + regionsToMove.size() + " regions to " + server + " using "<a name="line.400"></a> -<span class="sourceLineNo">401</span> + this.maxthreads + " threads.Ack mode:" + this.ack);<a name="line.401"></a> -<span class="sourceLineNo">402</span> ExecutorService moveRegionsPool = Executors.newFixedThreadPool(this.maxthreads);<a name="line.402"></a> -<span class="sourceLineNo">403</span> List<Future<Boolean>> taskList = new ArrayList<Future<Boolean>>();<a name="line.403"></a> -<span class="sourceLineNo">404</span> int counter = 0;<a name="line.404"></a> -<span class="sourceLineNo">405</span> while (counter < regionsToMove.size()) {<a name="line.405"></a> -<span class="sourceLineNo">406</span> HRegionInfo region = regionsToMove.get(counter);<a name="line.406"></a> -<span class="sourceLineNo">407</span> String currentServer = getServerNameForRegion(admin, region);<a name="line.407"></a> -<span class="sourceLineNo">408</span> if (currentServer == null) {<a name="line.408"></a> -<span class="sourceLineNo">409</span> LOG.warn("Could not get server for Region:" + region.getEncodedName() + " moving on");<a name="line.409"></a> -<span class="sourceLineNo">410</span> counter++;<a name="line.410"></a> -<span class="sourceLineNo">411</span> continue;<a name="line.411"></a> -<span class="sourceLineNo">412</span> } else if (server.equals(currentServer)) {<a name="line.412"></a> -<span class="sourceLineNo">413</span> LOG.info("Region " + region.getRegionNameAsString() + "already on target server=" + server);<a name="line.413"></a> -<span class="sourceLineNo">414</span> counter++;<a name="line.414"></a> -<span class="sourceLineNo">415</span> continue;<a name="line.415"></a> -<span class="sourceLineNo">416</span> }<a name="line.416"></a> -<span class="sourceLineNo">417</span> if (ack) {<a name="line.417"></a> +<span class="sourceLineNo">315</span> public Unload(RegionMover rm) {<a name="line.315"></a> +<span class="sourceLineNo">316</span> this.rm = rm;<a name="line.316"></a> +<span class="sourceLineNo">317</span> }<a name="line.317"></a> +<span class="sourceLineNo">318</span><a name="line.318"></a> +<span class="sourceLineNo">319</span> @Override<a name="line.319"></a> +<span class="sourceLineNo">320</span> public Boolean call() throws IOException {<a name="line.320"></a> +<span class="sourceLineNo">321</span> Connection conn = ConnectionFactory.createConnection(rm.conf);<a name="line.321"></a> +<span class="sourceLineNo">322</span> try {<a name="line.322"></a> +<span class="sourceLineNo">323</span> Admin admin = conn.getAdmin();<a name="line.323"></a> +<span class="sourceLineNo">324</span> // Get Online RegionServers<a name="line.324"></a> +<span class="sourceLineNo">325</span> ArrayList<String> regionServers = getServers(admin);<a name="line.325"></a> +<span class="sourceLineNo">326</span> if (LOG.isDebugEnabled()) {<a name="line.326"></a> +<span class="sourceLineNo">327</span> LOG.debug("Online region servers:" + regionServers.toString());<a name="line.327"></a> +<span class="sourceLineNo">328</span> }<a name="line.328"></a> +<span class="sourceLineNo">329</span> // Remove the host Region server from target Region Servers list<a name="line.329"></a> +<span class="sourceLineNo">330</span> String server = stripServer(regionServers, hostname, port);<a name="line.330"></a> +<span class="sourceLineNo">331</span> // Remove RS present in the exclude file<a name="line.331"></a> +<span class="sourceLineNo">332</span> stripExcludes(regionServers, rm.excludeFile);<a name="line.332"></a> +<span class="sourceLineNo">333</span> stripMaster(regionServers, admin);<a name="line.333"></a> +<span class="sourceLineNo">334</span> unloadRegions(admin, server, regionServers, rm.ack, movedRegions);<a name="line.334"></a> +<span class="sourceLineNo">335</span> } catch (Exception e) {<a name="line.335"></a> +<span class="sourceLineNo">336</span> LOG.error("Error while unloading regions ", e);<a name="line.336"></a> +<span class="sourceLineNo">337</span> return false;<a name="line.337"></a> +<span class="sourceLineNo">338</span> } finally {<a name="line.338"></a> +<span class="sourceLineNo">339</span> try {<a name="line.339"></a> +<span class="sourceLineNo">340</span> conn.close();<a name="line.340"></a> +<span class="sourceLineNo">341</span> } catch (IOException e) {<a name="line.341"></a> +<span class="sourceLineNo">342</span> // ignore<a name="line.342"></a> +<span class="sourceLineNo">343</span> }<a name="line.343"></a> +<span class="sourceLineNo">344</span> if (movedRegions != null) {<a name="line.344"></a> +<span class="sourceLineNo">345</span> writeFile(rm.filename, movedRegions);<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> return true;<a name="line.348"></a> +<span class="sourceLineNo">349</span> }<a name="line.349"></a> +<span class="sourceLineNo">350</span> }<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> * Creates a new configuration if not already set and sets region mover specific overrides<a name="line.353"></a> +<span class="sourceLineNo">354</span> */<a name="line.354"></a> +<span class="sourceLineNo">355</span> private void setConf() {<a name="line.355"></a> +<span class="sourceLineNo">356</span> if (conf == null) {<a name="line.356"></a> +<span class="sourceLineNo">357</span> conf = HBaseConfiguration.create();<a name="line.357"></a> +<span class="sourceLineNo">358</span> conf.setInt("hbase.client.prefetch.limit", 1);<a name="line.358"></a> +<span class="sourceLineNo">359</span> conf.setInt("hbase.client.pause", 500);<a name="line.359"></a> +<span class="sourceLineNo">360</span> conf.setInt("hbase.client.retries.number", 100);<a name="line.360"></a> +<span class="sourceLineNo">361</span> }<a name="line.361"></a> +<span class="sourceLineNo">362</span> }<a name="line.362"></a> +<span class="sourceLineNo">363</span><a name="line.363"></a> +<span class="sourceLineNo">364</span> private void loadRegions(Admin admin, String hostname, int port,<a name="line.364"></a> +<span class="sourceLineNo">365</span> List<HRegionInfo> regionsToMove, boolean ack) throws Exception {<a name="line.365"></a> +<span class="sourceLineNo">366</span> String server = null;<a name="line.366"></a> +<span class="sourceLineNo">367</span> List<HRegionInfo> movedRegions = Collections.synchronizedList(new ArrayList<HRegionInfo>());<a name="line.367"></a> +<span class="sourceLineNo">368</span> int maxWaitInSeconds =<a name="line.368"></a> +<span class="sourceLineNo">369</span> admin.getConfiguration().getInt(SERVERSTART_WAIT_MAX_KEY, DEFAULT_SERVERSTART_WAIT_MAX);<a name="line.369"></a> +<span class="sourceLineNo">370</span> long maxWait = EnvironmentEdgeManager.currentTime() + maxWaitInSeconds * 1000;<a name="line.370"></a> +<span class="sourceLineNo">371</span> while ((EnvironmentEdgeManager.currentTime() < maxWait) && (server == null)) {<a name="line.371"></a> +<span class="sourceLineNo">372</span> try {<a name="line.372"></a> +<span class="sourceLineNo">373</span> ArrayList<String> regionServers = getServers(admin);<a name="line.373"></a> +<span class="sourceLineNo">374</span> // Remove the host Region server from target Region Servers list<a name="line.374"></a> +<span class="sourceLineNo">375</span> server = stripServer(regionServers, hostname, port);<a name="line.375"></a> +<span class="sourceLineNo">376</span> if (server != null) {<a name="line.376"></a> +<span class="sourceLineNo">377</span> break;<a name="line.377"></a> +<span class="sourceLineNo">378</span> }<a name="line.378"></a> +<span class="sourceLineNo">379</span> } catch (IOException e) {<a name="line.379"></a> +<span class="sourceLineNo">380</span> LOG.warn("Could not get list of region servers", e);<a name="line.380"></a> +<span class="sourceLineNo">381</span> } catch (Exception e) {<a name="line.381"></a> +<span class="sourceLineNo">382</span> LOG.info("hostname=" + hostname + " is not up yet, waiting", e);<a name="line.382"></a> +<span class="sourceLineNo">383</span> }<a name="line.383"></a> +<span class="sourceLineNo">384</span> try {<a name="line.384"></a> +<span class="sourceLineNo">385</span> Thread.sleep(500);<a name="line.385"></a> +<span class="sourceLineNo">386</span> } catch (InterruptedException e) {<a name="line.386"></a> +<span class="sourceLineNo">387</span> LOG.error("Interrupted while waiting for " + hostname + " to be up.Quitting now", e);<a name="line.387"></a> +<span class="sourceLineNo">388</span> throw e;<a name="line.388"></a> +<span class="sourceLineNo">389</span> }<a name="line.389"></a> +<span class="sourceLineNo">390</span> }<a name="line.390"></a> +<span class="sourceLineNo">391</span> if (server == null) {<a name="line.391"></a> +<span class="sourceLineNo">392</span> LOG.error("Host:" + hostname + " is not up.Giving up.");<a name="line.392"></a> +<span class="sourceLineNo">393</span> throw new Exception("Host to load regions not online");<a name="line.393"></a> +<span class="sourceLineNo">394</span> }<a name="line.394"></a> +<span class="sourceLineNo">395</span> LOG.info("Moving" + regionsToMove.size() + " regions to " + server + " using "<a name="line.395"></a> +<span class="sourceLineNo">396</span> + this.maxthreads + " threads.Ack mode:" + this.ack);<a name="line.396"></a> +<span class="sourceLineNo">397</span> ExecutorService moveRegionsPool = Executors.newFixedThreadPool(this.maxthreads);<a name="line.397"></a> +<span class="sourceLineNo">398</span> List<Future<Boolean>> taskList = new ArrayList<Future<Boolean>>();<a name="line.398"></a> +<span class="sourceLineNo">399</span> int counter = 0;<a name="line.399"></a> +<span class="sourceLineNo">400</span> while (counter < regionsToMove.size()) {<a name="line.400"></a> +<span class="sourceLineNo">401</span> HRegionInfo region = regionsToMove.get(counter);<a name="line.401"></a> +<span class="sourceLineNo">402</span> String currentServer = getServerNameForRegion(admin, region);<a name="line.402"></a> +<span class="sourceLineNo">403</span> if (currentServer == null) {<a name="line.403"></a> +<span class="sourceLineNo">404</span> LOG.warn("Could not get server for Region:" + region.getEncodedName() + " moving on");<a name="line.404"></a> +<span class="sourceLineNo">405</span> counter++;<a name="line.405"></a> +<span class="sourceLineNo">406</span> continue;<a name="line.406"></a> +<span class="sourceLineNo">407</span> } else if (server.equals(currentServer)) {<a name="line.407"></a> +<span class="sourceLineNo">408</span> LOG.info("Region " + region.getRegionNameAsString() + "already on target server=" + server);<a name="line.408"></a> +<span class="sourceLineNo">409</span> counter++;<a name="line.409"></a> +<span class="sourceLineNo">410</span> continue;<a name="line.410"></a> +<span class="sourceLineNo">411</span> }<a name="line.411"></a> +<span class="sourceLineNo">412</span> if (ack) {<a name="line.412"></a> +<span class="sourceLineNo">413</span> Future<Boolean> task =<a name="line.413"></a> +<span class="sourceLineNo">414</span> moveRegionsPool.submit(new MoveWithAck(admin, region, currentServer, server,<a name="line.414"></a> +<span class="sourceLineNo">415</span> movedRegions));<a name="line.415"></a> +<span class="sourceLineNo">416</span> taskList.add(task);<a name="line.416"></a> +<span class="sourceLineNo">417</span> } else {<a name="line.417"></a> <span class="sourceLineNo">418</span> Future<Boolean> task =<a name="line.418"></a> -<span class="sourceLineNo">419</span> moveRegionsPool.submit(new MoveWithAck(admin, region, currentServer, server,<a name="line.419"></a> +<span class="sourceLineNo">419</span> moveRegionsPool.submit(new MoveWithoutAck(admin, region, currentServer, server,<a name="line.419"></a> <span class="sourceLineNo">420</span> movedRegions));<a name="line.420"></a> <span class="sourceLineNo">421</span> taskList.add(task);<a name="line.421"></a> -<span class="sourceLineNo">422</span> } else {<a name="line.422"></a> -<span class="sourceLineNo">423</span> Future<Boolean> task =<a name="line.423"></a> -<span class="sourceLineNo">424</span> moveRegionsPool.submit(new MoveWithoutAck(admin, region, currentServer, server,<a name="line.424"></a> -<span class="sourceLineNo">425</span> movedRegions));<a name="line.425"></a> -<span class="sourceLineNo">426</span> taskList.add(task);<a name="line.426"></a> -<span class="sourceLineNo">427</span> }<a name="line.427"></a> -<span class="sourceLineNo">428</span> counter++;<a name="line.428"></a> -<span class="sourceLineNo">429</span> }<a name="line.429"></a> -<span class="sourceLineNo">430</span> moveRegionsPool.shutdown();<a name="line.430"></a> -<span class="sourceLineNo">431</span> long timeoutInSeconds =<a name="line.431"></a> -<span class="sourceLineNo">432</span> regionsToMove.size()<a name="line.432"></a> -<span class="sourceLineNo">433</span> * admin.getConfiguration().getInt(MOVE_WAIT_MAX_KEY, DEFAULT_MOVE_WAIT_MAX);<a name="line.433"></a> -<span class="sourceLineNo">434</span> try {<a name="line.434"></a> -<span class="sourceLineNo">435</span> if (!moveRegionsPool.awaitTermination(timeoutInSeconds, TimeUnit.SECONDS)) {<a name="line.435"></a> -<span class="sourceLineNo">436</span> moveRegionsPool.shutdownNow();<a name="line.436"></a> -<span class="sourceLineNo">437</span> }<a name="line.437"></a> -<span class="sourceLineNo">438</span> } catch (InterruptedException e) {<a name="line.438"></a> -<span class="sourceLineNo">439</span> moveRegionsPool.shutdownNow();<a name="line.439"></a> -<span class="sourceLineNo">440</span> Thread.currentThread().interrupt();<a name="line.440"></a> -<span class="sourceLineNo">441</span> }<a name="line.441"></a> -<span class="sourceLineNo">442</span> for (Future<Boolean> future : taskList) {<a name="line.442"></a> -<span class="sourceLineNo">443</span> try {<a name="line.443"></a> -<span class="sourceLineNo">444</span> // if even after shutdownNow threads are stuck we wait for 5 secs max<a name="line.444"></a> -<span class="sourceLineNo">445</span> if (!future.get(5, TimeUnit.SECONDS)) {<a name="line.445"></a> -<span class="sourceLineNo">446</span> LOG.error("Was Not able to move region....Exiting Now");<a name="line.446"></a> -<span class="sourceLineNo">447</span> throw new Exception("Could not move region Exception");<a name="line.447"></a> -<span class="sourceLineNo">448</span> }<a name="line.448"></a> -<span class="sourceLineNo">449</span> } catch (InterruptedException e) {<a name="line.449"></a> -<span class="sourceLineNo">450</span> LOG.error("Interrupted while waiting for Thread to Complete " + e.getMessage(), e);<a name="line.450"></a> -<span class="sourceLineNo">451</span> throw e;<a name="line.451"></a> -<span class="sourceLineNo">452</span> } catch (ExecutionException e) {<a name="line.452"></a> -<span class="sourceLineNo">453</span> LOG.error("Got Exception From Thread While moving region " + e.getMessage(), e);<a name="line.453"></a> -<span class="sourceLineNo">454</span> throw e;<a name="line.454"></a> -<span class="sourceLineNo">455</span> } catch (CancellationException e) {<a name="line.455"></a> -<span class="sourceLineNo">456</span> LOG.error("Thread for moving region cancelled. Timeout for cancellation:"<a name="line.456"></a> -<span class="sourceLineNo">457</span> + timeoutInSeconds + "secs", e);<a name="line.457"></a> -<span class="sourceLineNo">458</span> throw e;<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> }<a name="line.461"></a> -<span class="sourceLineNo">462</span><a name="line.462"></a> -<span class="sourceLineNo">463</span> private void unloadRegions(Admin admin, String server, ArrayList<String> regionServers,<a name="line.463"></a> -<span class="sourceLineNo">464</span> boolean ack, List<HRegionInfo> movedRegions) throws Exception {<a name="line.464"></a> -<span class="sourceLineNo">465</span> List<HRegionInfo> regionsToMove = new ArrayList<HRegionInfo>();<a name="line.465"></a> -<span class="sourceLineNo">466</span> regionsToMove = getRegions(this.conf, server);<a name="line.466"></a> -<span class="sourceLineNo">467</span> if (regionsToMove.size() == 0) {<a name="line.467"></a> -<span class="sourceLineNo">468</span> LOG.info("No Regions to move....Quitting now");<a name="line.468"></a> -<span class="sourceLineNo">469</span> return;<a name="line.469"></a> -<span class="sourceLineNo">470</span> } else if (regionServers.size() == 0) {<a name="line.470"></a> -<span class="sourceLineNo">471</span> LOG.warn("No Regions were moved - no servers available");<a name="line.471"></a> -<span class="sourceLineNo">472</span> throw new Exception("No online region servers");<a name="line.472"></a> -<span class="sourceLineNo">473</span> }<a name="line.473"></a> -<span class="sourceLineNo">474</span> while (true) {<a name="line.474"></a> -<span class="sourceLineNo">475</span> regionsToMove = getRegions(this.conf, server);<a name="line.475"></a> -<span class="sourceLineNo">476</span> regionsToMove.removeAll(movedRegions);<a name="line.476"></a> -<span class="sourceLineNo">477</span> if (regionsToMove.size() == 0) {<a name="line.477"></a> -<span class="sourceLineNo">478</span> break;<a name="line.478"></a> -<span class="sourceLineNo">479</span> }<a name="line.479"></a> -<span class="sourceLineNo">480</span> int counter = 0;<a name="line.480"></a> -<span class="sourceLineNo">481</span> LOG.info("Moving " + regionsToMove.size() + " regions from " + this.hostname + " to "<a name="line.481"></a> -<span class="sourceLineNo">482</span> + regionServers.size() + " servers using " + this.maxthreads + " threads .Ack Mode:"<a name="line.482"></a> -<span class="sourceLineNo">483</span> + ack);<a name="line.483"></a> -<span class="sourceLineNo">484</span> ExecutorService moveRegionsPool = Executors.newFixedThreadPool(this.maxthreads);<a name="line.484"></a> -<span class="sourceLineNo">485</span> List<Future<Boolean>> taskList = new ArrayList<Future<Boolean>>();<a name="line.485"></a> -<span class="sourceLineNo">486</span> int serverIndex = 0;<a name="line.486"></a> -<span class="sourceLineNo">487</span> while (counter < regionsToMove.size()) {<a name="line.487"></a> -<span class="sourceLineNo">488</span> if (ack) {<a name="line.488"></a> +<span class="sourceLineNo">422</span> }<a name="line.422"></a> +<span class="sourceLineNo">423</span> counter++;<a name="line.423"></a> +<span class="sourceLineNo">424</span> }<a name="line.424"></a> +<span class="sourceLineNo">425</span> moveRegionsPool.shutdown();<a name="line.425"></a> +<span class="sourceLineNo">426</span> long timeoutInSeconds =<a name="line.426"></a> +<span class="sourceLineNo">427</span> regionsToMove.size()<a name="line.427"></a> +<span class="sourceLineNo">428</span> * admin.getConfiguration().getInt(MOVE_WAIT_MAX_KEY, DEFAULT_MOVE_WAIT_MAX);<a name="line.428"></a> +<span class="sourceLineNo">429</span> try {<a name="line.429"></a> +<span class="sourceLineNo">430</span> if (!moveRegionsPool.awaitTermination(timeoutInSeconds, TimeUnit.SECONDS)) {<a name="line.430"></a> +<span class="sourceLineNo">431</span> moveRegionsPool.shutdownNow();<a name="line.431"></a> +<span class="sourceLineNo">432</span> }<a name="line.432"></a> +<span class="sourceLineNo">433</span> } catch (InterruptedException e) {<a name="line.433"></a> +<span class="sourceLineNo">434</span> moveRegionsPool.shutdownNow();<a name="line.434"></a> +<span class="sourceLineNo">435</span> Thread.currentThread().interrupt();<a name="line.435"></a> +<span class="sourceLineNo">436</span> }<a name="line.436"></a> +<span class="sourceLineNo">437</span> for (Future<Boolean> future : taskList) {<a name="line.437"></a> +<span class="sourceLineNo">438</span> try {<a name="line.438"></a> +<span class="sourceLineNo">439</span> // if even after shutdownNow threads are stuck we wait for 5 secs max<a name="line.439"></a> +<span class="sourceLineNo">440</span> if (!future.get(5, TimeUnit.SECONDS)) {<a name="line.440"></a> +<span class="sourceLineNo">441</span> LOG.error("Was Not able to move region....Exiting Now");<a name="line.441"></a> +<span class="sourceLineNo">442</span> throw new Exception("Could not move region Exception");<a name="line.442"></a> +<span class="sourceLineNo">443</span> }<a name="line.443"></a> +<span class="sourceLineNo">444</span> } catch (InterruptedException e) {<a name="line.444"></a> +<span class="sourceLineNo">445</span> LOG.error("Interrupted while waiting for Thread to Complete " + e.getMessage(), e);<a name="line.445"></a> +<span class="sourceLineNo">446</span> throw e;<a name="line.446"></a> +<span class="sourceLineNo">447</span> } catch (ExecutionException e) {<a name="line.447"></a> +<span class="sourceLineNo">448</span> LOG.error("Got Exception From Thread While moving region " + e.getMessage(), e);<a name="line.448"></a> +<span class="sourceLineNo">449</span> throw e;<a name="line.449"></a> +<span class="sourceLineNo">450</span> } catch (CancellationException e) {<a name="line.450"></a> +<span class="sourceLineNo">451</span> LOG.error("Thread for moving region cancelled. Timeout for cancellation:"<a name="line.451"></a> +<span class="sourceLineNo">452</span> + timeoutInSeconds + "secs", e);<a name="line.452"></a> +<span class="sourceLineNo">453</span> throw e;<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> }<a name="line.456"></a> +<span class="sourceLineNo">457</span><a name="line.457"></a> +<span class="sourceLineNo">458</span> private void unloadRegions(Admin admin, String server, ArrayList<String> regionServers,<a name="line.458"></a> +<span class="sourceLineNo">459</span> boolean ack, List<HRegionInfo> movedRegions) throws Exception {<a name="line.459"></a> +<span class="sourceLineNo">460</span> List<HRegionInfo> regionsToMove = new ArrayList<HRegionInfo>();<a name="line.460"></a> +<span class="sourceLineNo">461</span> regionsToMove = getRegions(this.conf, server);<a name="line.461"></a> +<span class="sourceLineNo">462</span> if (regionsToMove.size() == 0) {<a name="line.462"></a> +<span class="sourceLineNo">463</span> LOG.info("No Regions to move....Quitting now");<a name="line.463"></a> +<span class="sourceLineNo">464</span> return;<a name="line.464"></a> +<span class="sourceLineNo">465</span> } else if (regionServers.size() == 0) {<a name="line.465"></a> +<span class="sourceLineNo">466</span> LOG.warn("No Regions were moved - no servers available");<a name="line.466"></a> +<span class="sourceLineNo">467</span> throw new Exception("No online region servers");<a name="line.467"></a> +<span class="sourceLineNo">468</span> }<a name="line.468"></a> +<span class="sourceLineNo">469</span> while (true) {<a name="line.469"></a> +<span class="sourceLineNo">470</span> regionsToMove = getRegions(this.conf, server);<a name="line.470"></a> +<span class="sourceLineNo">471</span> regionsToMove.removeAll(movedRegions);<a name="line.471"></a> +<span class="sourceLineNo">472</span> if (regionsToMove.size() == 0) {<a name="line.472"></a> +<span class="sourceLineNo">473</span> break;<a name="line.473"></a> +<span class="sourceLineNo">474</span> }<a name="line.474"></a> +<span class="sourceLineNo">475</span> int counter = 0;<a name="line.475"></a> +<span class="sourceLineNo">476</span> LOG.info("Moving " + regionsToMove.size() + " regions from " + this.hostname + " to "<a name="line.476"></a> +<span class="sourceLineNo">477</span> + regionServers.size() + " servers using " + this.maxthreads + " threads .Ack Mode:"<a name="line.477"></a> +<span class="sourceLineNo">478</span> + ack);<a name="line.478"></a> +<span class="sourceLineNo">479</span> ExecutorService moveRegionsPool = Executors.newFixedThreadPool(this.maxthreads);<a name="line.479"></a> +<span class="sourceLineNo">480</span> List<Future<Boolean>> taskList = new ArrayList<Future<Boolean>>();<a name="line.480"></a> +<span class="sourceLineNo">481</span> int serverIndex = 0;<a name="line.481"></a> +<span class="sourceLineNo">482</span> while (counter < regionsToMove.size()) {<a name="line.482"></a> +<span class="sourceLineNo">483</span> if (ack) {<a name="line.483"></a> +<span class="sourceLineNo">484</span> Future<Boolean> task =<a name="line.484"></a> +<span class="sourceLineNo">485</span> moveRegionsPool.submit(new MoveWithAck(admin, regionsToMove.get(counter), server,<a name="line.485"></a> +<span class="sourceLineNo">486</span> regionServers.get(serverIndex), movedRegions));<a name="line.486"></a> +<span class="sourceLineNo">487</span> taskList.add(task);<a name="line.487"></a> +<span class="sourceLineNo">488</span> } else {<a name="line.488"></a> <span class="sourceLineNo">489</span> Future<Boolean> task =<a name="line.489"></a> -<span class="sourceLineNo">490</span> moveRegionsPool.submit(new MoveWithAck(admin, regionsToMove.get(counter), server,<a name="line.490"></a> +<span class="sourceLineNo">490</span> moveRegionsPool.submit(new MoveWithoutAck(admin, regionsToMove.get(counter), server,<a name="line.490"></a> <span class="sourceLineNo">491</span> regionServers.get(serverIndex), movedRegions));<a name="line.491"></a> <span class="sourceLineNo">492</span> taskList.add(task);<a name="line.492"></a> -<span class="sourceLineNo">493</span> } else {<a name="line.493"></a> -<span class="sourceLineNo">494</span> Future<Boolean> task =<a name="line.494"></a> -<span class="sourceLineNo">495</span> moveRegionsPool.submit(new MoveWithoutAck(admin, regionsToMove.get(counter), server,<a name="line.495"></a> -<span class="sourceLineNo">496</span> regionServers.get(serverIndex), movedRegions));<a name="line.496"></a> -<span class="sourceLineNo">497</span> taskList.add(task);<a name="line.497"></a> -<span class="sourceLineNo">498</span> }<a name="line.498"></a> -<span class="sourceLineNo">499</span> counter++;<a name="line.499"></a> -<span class="sourceLineNo">500</span> serverIndex = (serverIndex + 1) % regionServers.size();<a name="line.500"></a> -<span class="sourceLineNo">501</span> }<a name="line.501"></a> -<span class="sourceLineNo">502</span> moveRegionsPool.shutdown();<a name="line.502"></a> -<span class="sourceLineNo">503</span> long timeoutInSeconds =<a name="line.503"></a> -<span class="sourceLineNo">504</span> regionsToMove.size()<a name="line.504"></a> -<span class="sourceLineNo">505</span> * admin.getConfiguration().getInt(MOVE_WAIT_MAX_KEY, DEFAULT_MOVE_WAIT_MAX);<a name="line.505"></a> -<span class="sourceLineNo">506</span> try {<a name="line.506"></a> -<span class="sourceLineNo">507</span> if (!moveRegionsPool.awaitTermination(timeoutInSeconds, TimeUnit.SECONDS)) {<a name="line.507"></a> -<span class="sourceLineNo">508</span> moveRegionsPool.shutdownNow();<a name="line.508"></a> -<span class="sourceLineNo">509</span> }<a name="line.509"></a> -<span class="sourceLineNo">510</span> } catch (InterruptedException e) {<a name="line.510"></a> -<span class="sourceLineNo">511</span> moveRegionsPool.shutdownNow();<a name="line.511"></a> -<span class="sourceLineNo">512</span> Thread.currentThread().interrupt();<a name="line.512"></a> -<span class="sourceLineNo">513</span> }<a name="line.513"></a> -<span class="sourceLineNo">514</span> for (Future<Boolean> future : taskList) {<a name="line.514"></a> -<span class="sourceLineNo">515</span> try {<a name="line.515"></a> -<span class="sourceLineNo">516</span> // if even after shutdownNow threads are stuck we wait for 5 secs max<a name="line.516"></a> -<span class="sourceLineNo">517</span> if (!future.get(5, TimeUnit.SECONDS)) {<a name="line.517"></a> -<span class="sourceLineNo">518</span> LOG.error("Was Not able to move region....Exiting Now");<a name="line.518"></a> -<span class="sourceLineNo">519</span> throw new Exception("Could not move region Exception");<a name="line.519"></a> -<span class="sourceLineNo">520</span> }<a name="line.520"></a> -<span class="sourceLineNo">521</span> } catch (InterruptedException e) {<a name="line.521"></a> -<span class="sourceLineNo">522</span> LOG.error("Interrupted while waiting for Thread to Complete " + e.getMessage(), e);<a name="line.522"></a> -<span class="sourceLineNo">523</span> throw e;<a name="line.523"></a> -<span class="sourceLineNo">524</span> } catch (ExecutionException e) {<a name="line.524"></a> -<span class="sourceLineNo">525</span> LOG.error("Got Exception From Thread While moving region " + e.getMessage(), e);<a name="line.525"></a> -<span class="sourceLineNo">526</span> throw e;<a name="line.526"></a> -<span class="sourceLineNo">527</span> } catch (CancellationException e) {<a name="line.527"></a> -<span class="sourceLineNo">528</span> LOG.error("Thread for moving region cancelled. Timeout for cancellation:"<a name="line.528"></a> -<span class="sourceLineNo">529</span> + timeoutInSeconds + "secs", e);<a name="line.529"></a> -<span class="sourceLineNo">530</span> throw e;<a name="line.530"></a> -<span class="sourceLineNo">531</span> }<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> }<a name="line.534"></a> -<span class="sourceLineNo">535</span><a name="line.535"></a> -<span class="sourceLineNo">536</span> /**<a name="line.536"></a> -<span class="sourceLineNo">537</span> * Move Regions and make sure that they are up on the target server.If a region movement fails we<a name="line.537"></a> -<span class="sourceLineNo">538</span> * exit as failure<a name="line.538"></a> -<span class="sourceLineNo">539</span> */<a name="line.539"></a> -<span class="sourceLineNo">540</span> private class MoveWithAck implements Callable<Boolean> {<a name="line.540"></a> -<span class="sourceLineNo">541</span> private Admin admin;<a name="line.541"></a> -<span class="sourceLineNo">542</span> private HRegionInfo region;<a name="line.542"></a> -<span class="sourceLineNo">543</span> private String targetServer;<a name="line.543"></a> -<span class="sourceLineNo">544</span> private List<HRegionInfo> movedRegions;<a name="line.544"></a> -<span class="sourceLineNo">545</span> private String sourceServer;<a name="line.545"></a> -<span class="sourceLineNo">546</span><a name="line.546"></a> -<span class="sourceLineNo">547</span> public MoveWithAck(Admin admin, HRegionInfo regionInfo, String sourceServer,<a name="line.547"></a> -<span class="sourceLineNo">548</span> String targetServer, List<HRegionInfo> movedRegions) {<a name="line.548"></a> -<span class="sourceLineNo">549</span> this.admin = admin;<a name="line.549"></a> -<span class="sourceLineNo">550</span> this.region = regionInfo;<a name="line.550"></a> -<span class="sourceLineNo">551</span> this.targetServer = targetServer;<a name="line.551"></a> -<span class="sourceLineNo">552</span> this.movedRegions = movedRegions;<a name="line.552"></a> -<span class="sourceLineNo">553</span> this.sourceServer = sourceServer;<a name="line.553"></a> -<span class="sourceLineNo">554</span> }<a name="line.554"></a> -<span class="sourceLineNo">555</span><a name="line.555"></a> -<span class="sourceLineNo">556</span> @Override<a name="line.556"></a> -<span class="sourceLineNo">557</span> public Boolean call() throws IOException, InterruptedException {<a name="line.557"></a> -<span class="sourceLineNo">558</span> boolean moved = false;<a name="line.558"></a> -<span class="sourceLineNo">559</span> int count = 0;<a name="line.559"></a> -<span class="sourceLineNo">560</span> int retries = admin.getConfiguration().getInt(MOVE_RETRIES_MAX_KEY, DEFAULT_MOVE_RETRIES_MAX);<a name="line.560"></a> -<span class="sourceLineNo">561</span> int maxWaitInSeconds =<a name="line.561"></a> -<span class="sourceLineNo">562</span> admin.getConfiguration().getInt(MOVE_WAIT_MAX_KEY, DEFAULT_MOVE_WAIT_MAX);<a name="line.562"></a> -<span class="sourceLineNo">563</span> long startTime = EnvironmentEdgeManager.currentTime();<a name="line.563"></a> -<span class="sourceLineNo">564</span> boolean sameServer = true;<a name="line.564"></a> -<span class="sourceLineNo">565</span> // Assert we can scan the region in its current location<a name="line.565"></a> -<span class="sourceLineNo">566</span> isSuccessfulScan(admin, region);<a name="line.566"></a> -<span class="sourceLineNo">567</span> LOG.info("Moving region:" + region.getEncodedName() + "from " + sourceServer + " to "<a name="line.567"></a> -<span class="sourceLineNo">568</span> + targetServer);<a name="line.568"></a> -<span class="sourceLineNo">569</span> while (count < retries && sameServer) {<a name="line.569"></a> -<span class="sourceLineNo">570</span> if (count > 0) {<a name="line.570"></a> -<span class="sourceLineNo">571</span> LOG.info("Retry " + Integer.toString(count) + " of maximum " + Integer.toString(retries));<a name="line.571"></a> -<span class="sourceLineNo">572</span> }<a name="line.572"></a> -<span class="sourceLineNo">573</span> count = count + 1;<a name="line.573"></a> -<span class="sourceLineNo">574</span> admin.move(region.getEncodedNameAsBytes(), Bytes.toBytes(targetServer));<a name="line.574"></a> -<span class="sourceLineNo">575</span> long maxWait = startTime + (maxWaitInSeconds * 1000);<a name="line.575"></a> -<span class="sourceLineNo">576</span> while (EnvironmentEdgeManager.currentTime() < maxWait) {<a name="line.576"></a> -<span class="sourceLineNo">577</span> sameServer = isSameServer(admin, region, sourceServer);<a name="line.577"></a> -<span class="sourceLineNo">578</span> if (!sameServer) {<a name="line.578"></a> -<span class="sourceLineNo">579</span> break;<a name="line.579"></a> -<span class="sourceLineNo">580</span> }<a name="line.580"></a> -<span class="sourceLineNo">581</span> Thread.sleep(100);<a name="line.581"></a> -<span class="sourceLineNo">582</span> }<a name="line.582"></a> -<span class="sourceLineNo">583</span> }<a name="line.583"></a> -<span class="sourceLineNo">584</span> if (sameServer) {<a name="line.584"></a> -<span class="sourceLineNo">585</span> LOG.error("Region: " + region.getRegionNameAsString() + " stuck on " + this.sourceServer<a name="line.585"></a> -<span class="sourceLineNo">586</span> + ",newServer=" + this.targetServer);<a name="line.586"></a> -<span class="sourceLineNo">587</span> } else {<a name="line.587"></a> -<span class="sourceLineNo">588</span> isSuccessfulScan(admin, region);<a name="line.588"></a> -<span class="sourceLineNo">589</span> LOG.info("Moved Region "<a name="line.589"></a> -<span class="sourceLineNo">590</span> + region.getRegionNameAsString()<a name="line.590"></a> -<span class="sourceLineNo">591</span> + " cost:"<a name="line.591"></a> -<span class="sourceLineNo">592</span> + String.format("%.3f",<a name="line.592"></a> -<span class="sourceLineNo">593</span> (float) (EnvironmentEdgeManager.currentTime() - startTime) / 1000));<a name="line.593"></a> -<span class="sourceLineNo">594</span> moved = true;<a name="line.594"></a> -<span class="sourceLineNo">595</span> movedRegions.add(region);<a name="line.595"></a> -<span class="sourceLineNo">596</span> }<a name="line.596"></a> -<span class="sourceLineNo">597</span> return moved;<a name="line.597"></a> -<span class="sourceLineNo">598</span> }<a name="line.598"></a> -<span class="sourceLineNo">599</span> }<a name="line.599"></a> -<span class="sourceLineNo">600</span><a name="line.600"></a> -<span class="sourceLineNo">601</span> /**<a name="line.601"></a> -<span class="sourceLineNo">602</span> * Move Regions without Acknowledging.Usefule in case of RS shutdown as we might want to shut the<a name="line.602"></a> -<span class="sourceLineNo">603</span> * RS down anyways and not abort on a stuck region. Improves movement performance<a name="line.603"></a> -<span class="sourceLineNo">604</span> */<a name="line.604"></a> -<span class="sourceLineNo">605</span> private class MoveWithoutAck implements Callable<Boolean> {<a name="line.605"></a> -<span class="sourceLineNo">606</span> private Admin admin;<a name="line.606"></a> -<span class="sourceLineNo">607</span> private HRegionInfo region;<a name="line.607"></a> -<span class="sourceLineNo">608</span> private String targetServer;<a name="line.608"></a> -<span class="sourceLineNo">609</span> private List<HRegionInfo> movedRegions;<a name="line.609"></a> -<span class="sourceLineNo">610</span> private String sourceServer;<a name="line.610"></a> -<span class="sourceLineNo">611</span><a name="line.611"></a> -<span class="sourceLineNo">612</span> public MoveWithoutAck(Admin admin, HRegionInfo regionInfo, String sourceServer,<a name="line.612"></a> -<span class="sourceLineNo">613</span> String targetServer, List<HRegionInfo> movedRegions) {<a name="line.613"></a> -<span class="sourceLineNo">614</span> this.admin = admin;<a name="line.614"></a> -<span class="sourceLineNo">615</span> this.region = regionInfo;<a name="line.615"></a> -<span class="sourceLineNo">616</span> this.targetServer = targetServer;<a name="line.616"></a> -<span class="sourceLineNo">617</span> this.movedRegions = movedRegions;<a name="line.617"></a> -<span class="sourceLineNo">618</span> this.sourceServer = sourceServer;<a name="line.618"></a> -<span class="sourceLineNo">619</span> }<a name="line.619"></a> -<span class="sourceLineNo">620</span><a name="line.620"></a> -<span class="sourceLineNo">621</span> @Override<a name="line.621"></a> -<span class="sourceLineNo">622</span> public Boolean call() {<a name="line.622"></a> -<span class="sourceLineNo">623</span> try {<a name="line.623"></a> -<span class="sourceLineNo">624</span> LOG.info("Moving region:" + region.getEncodedName() + "from " + sourceServer + " to "<a name="line.624"></a> -<span class="sourceLineNo">625</span> + targetServer);<a name="line.625"></a> -<span class="sourceLineNo">626</span> admin.move(region.getEncodedNameAsBytes(), Bytes.toBytes(targetServer));<a name="line.626"></a> -<span class="sourceLineNo">627</span> LOG.info("Moved " + region.getEncodedName() + " from " + sourceServer + " to "<a name="line.627"></a> -<span class="sourceLineNo">628</span> + targetServer);<a name="line.628"></a> -<span class="sourceLineNo">629</span> } catch (Exception e) {<a name="line.629"></a> -<span class="sourceLineNo">630</span> LOG.error("Error Moving Region:" + region.getEncodedName(), e);<a name="line.630"></a> -<span class="sourceLineNo">631</span> } finally {<a name="line.631"></a> -<span class="sourceLineNo">632</span> // we add region to the moved regions list in No Ack Mode since this is best effort<a name="line.632"></a> -<span class="sourceLineNo">633</span> movedRegions.add(region);<a name="line.633"></a> -<span class="sourceLineNo">634</span> }<a name="line.634"></a> -<span class="sourceLineNo">635</span> return true;<a name="line.635"></a> -<span class="sourceLineNo">636</span> }<a name="line.636"></a> -<span class="sourceLineNo">637</span> }<a name="line.637"></a> -<span class="sourceLineNo">638</span><a name="line.638"></a> -<span class="sourceLineNo">639</span> private List<HRegionInfo> readRegionsFromFile(String filename) throws IOException {<a name="line.639"></a> -<span class="sourceLineNo">640</span> List<HRegionInfo> regions = new ArrayList<HRegionInfo>();<a name="line.640"></a> -<span class="sourceLineNo">641</span> File f = new File(filename);<a name="line.641"></a> -<span class="sourceLineNo">642</span> if (!f.exists()) {<a name="line.642"></a> -<span class="sourceLineNo">643</span> return regions;<a name="line.643"></a> -<span class="sourceLineNo">644</span> }<a name="line.644"></a> -<span class="sourceLineNo">645</span> FileInputStream fis = null;<a name="line.645"></a> -<span class="sourceLineNo">646</span> DataInputStream dis = null;<a name="line.646"></a> -<span class="sourceLineNo">647</span> try {<a name="line.647"></a> -<span class="sourceLineNo">648</span> fis = new FileInputStream(f);<a name="line.648"></a> -<span class="sourceLineNo">649</span> dis = new DataInputStream(fis);<a name="line.649"></a> -<span class="sourceLineNo">650</span> int numRegions = dis.readInt();<a name="line.650"></a> -<span class="sourceLineNo">651</span> int index = 0;<a name="line.651"></a> -<span class="sourceLineNo">652</span> while (index < numRegions) {<a name="line.652"></a> -<span class="sourceLineNo">653</span> regions.add(HRegionInfo.parseFromOrNull(Bytes.readByteArray(dis)));<a name="line.653"></a> -<span class="sourceLineNo">654</span> index++;<a name="line.654"></a> -<span class="sourceLineNo">655</span> }<a name="line.655"></a> -<span class="sourc
<TRUNCATED>
