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Posted to commits@hbase.apache.org by mi...@apache.org on 2015/11/11 03:24:23 UTC
[17/52] [partial] hbase git commit: Published website at
40c7b09ac86bdbf560321fa71867112aea92a324
http://git-wip-us.apache.org/repos/asf/hbase/blob/1619ae4c/testdevapidocs/src-html/org/apache/hadoop/hbase/client/TestMetaWithReplicas.html
----------------------------------------------------------------------
diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/client/TestMetaWithReplicas.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/client/TestMetaWithReplicas.html
index 3c5f66e..baee385 100644
--- a/testdevapidocs/src-html/org/apache/hadoop/hbase/client/TestMetaWithReplicas.html
+++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/client/TestMetaWithReplicas.html
@@ -178,292 +178,296 @@
<span class="sourceLineNo">170</span> util.getHBaseAdmin().disableTable(TABLE);<a name="line.170"></a>
<span class="sourceLineNo">171</span> util.getHBaseAdmin().deleteTable(TABLE);<a name="line.171"></a>
<span class="sourceLineNo">172</span> }<a name="line.172"></a>
-<span class="sourceLineNo">173</span> Table htable = util.createTable(TABLE, FAMILIES);<a name="line.173"></a>
-<span class="sourceLineNo">174</span><a name="line.174"></a>
-<span class="sourceLineNo">175</span> util.getHBaseAdmin().flush(TableName.META_TABLE_NAME);<a name="line.175"></a>
-<span class="sourceLineNo">176</span> Thread.sleep(conf.getInt(StorefileRefresherChore.REGIONSERVER_STOREFILE_REFRESH_PERIOD,<a name="line.176"></a>
-<span class="sourceLineNo">177</span> 30000) * 6);<a name="line.177"></a>
-<span class="sourceLineNo">178</span> Connection c = ConnectionFactory.createConnection(util.getConfiguration());<a name="line.178"></a>
-<span class="sourceLineNo">179</span> List<HRegionInfo> regions = MetaTableAccessor.getTableRegions(c, TABLE);<a name="line.179"></a>
-<span class="sourceLineNo">180</span> HRegionLocation hrl = MetaTableAccessor.getRegionLocation(c, regions.get(0));<a name="line.180"></a>
-<span class="sourceLineNo">181</span> // Ensure that the primary server for test table is not the same one as the primary<a name="line.181"></a>
-<span class="sourceLineNo">182</span> // of the meta region since we will be killing the srv holding the meta's primary...<a name="line.182"></a>
-<span class="sourceLineNo">183</span> // We want to be able to write to the test table even when the meta is not present ..<a name="line.183"></a>
-<span class="sourceLineNo">184</span> // If the servers are the same, then move the test table's region out of the server<a name="line.184"></a>
-<span class="sourceLineNo">185</span> // to another random server<a name="line.185"></a>
-<span class="sourceLineNo">186</span> if (hrl.getServerName().equals(primary)) {<a name="line.186"></a>
-<span class="sourceLineNo">187</span> util.getHBaseAdmin().move(hrl.getRegionInfo().getEncodedNameAsBytes(), null);<a name="line.187"></a>
-<span class="sourceLineNo">188</span> // wait for the move to complete<a name="line.188"></a>
-<span class="sourceLineNo">189</span> do {<a name="line.189"></a>
-<span class="sourceLineNo">190</span> Thread.sleep(10);<a name="line.190"></a>
-<span class="sourceLineNo">191</span> hrl = MetaTableAccessor.getRegionLocation(c, regions.get(0));<a name="line.191"></a>
-<span class="sourceLineNo">192</span> } while (primary.equals(hrl.getServerName()));<a name="line.192"></a>
-<span class="sourceLineNo">193</span> util.getHBaseAdmin().flush(TableName.META_TABLE_NAME);<a name="line.193"></a>
-<span class="sourceLineNo">194</span> Thread.sleep(conf.getInt(StorefileRefresherChore.REGIONSERVER_STOREFILE_REFRESH_PERIOD,<a name="line.194"></a>
-<span class="sourceLineNo">195</span> 30000) * 3);<a name="line.195"></a>
-<span class="sourceLineNo">196</span> }<a name="line.196"></a>
-<span class="sourceLineNo">197</span> ServerName master = util.getHBaseClusterInterface().getClusterStatus().getMaster();<a name="line.197"></a>
-<span class="sourceLineNo">198</span> // kill the master so that regionserver recovery is not triggered at all<a name="line.198"></a>
-<span class="sourceLineNo">199</span> // for the meta server<a name="line.199"></a>
-<span class="sourceLineNo">200</span> util.getHBaseClusterInterface().stopMaster(master);<a name="line.200"></a>
-<span class="sourceLineNo">201</span> util.getHBaseClusterInterface().waitForMasterToStop(master, 60000);<a name="line.201"></a>
-<span class="sourceLineNo">202</span> if (!master.equals(primary)) {<a name="line.202"></a>
-<span class="sourceLineNo">203</span> util.getHBaseClusterInterface().killRegionServer(primary);<a name="line.203"></a>
-<span class="sourceLineNo">204</span> util.getHBaseClusterInterface().waitForRegionServerToStop(primary, 60000);<a name="line.204"></a>
-<span class="sourceLineNo">205</span> }<a name="line.205"></a>
-<span class="sourceLineNo">206</span> ((ClusterConnection)c).clearRegionCache();<a name="line.206"></a>
-<span class="sourceLineNo">207</span> htable.close();<a name="line.207"></a>
-<span class="sourceLineNo">208</span> htable = c.getTable(TABLE);<a name="line.208"></a>
-<span class="sourceLineNo">209</span> byte[] row = "test".getBytes();<a name="line.209"></a>
-<span class="sourceLineNo">210</span> Put put = new Put(row);<a name="line.210"></a>
-<span class="sourceLineNo">211</span> put.addColumn("foo".getBytes(), row, row);<a name="line.211"></a>
-<span class="sourceLineNo">212</span> BufferedMutator m = c.getBufferedMutator(TABLE);<a name="line.212"></a>
-<span class="sourceLineNo">213</span> m.mutate(put);<a name="line.213"></a>
-<span class="sourceLineNo">214</span> m.flush();<a name="line.214"></a>
-<span class="sourceLineNo">215</span> // Try to do a get of the row that was just put<a name="line.215"></a>
-<span class="sourceLineNo">216</span> Get get = new Get(row);<a name="line.216"></a>
-<span class="sourceLineNo">217</span> Result r = htable.get(get);<a name="line.217"></a>
-<span class="sourceLineNo">218</span> assertTrue(Arrays.equals(r.getRow(), row));<a name="line.218"></a>
-<span class="sourceLineNo">219</span> // now start back the killed servers and disable use of replicas. That would mean<a name="line.219"></a>
-<span class="sourceLineNo">220</span> // calls go to the primary<a name="line.220"></a>
-<span class="sourceLineNo">221</span> util.getHBaseClusterInterface().startMaster(master.getHostname(), 0);<a name="line.221"></a>
-<span class="sourceLineNo">222</span> util.getHBaseClusterInterface().startRegionServer(primary.getHostname(), 0);<a name="line.222"></a>
-<span class="sourceLineNo">223</span> util.getHBaseClusterInterface().waitForActiveAndReadyMaster();<a name="line.223"></a>
-<span class="sourceLineNo">224</span> ((ClusterConnection)c).clearRegionCache();<a name="line.224"></a>
-<span class="sourceLineNo">225</span> htable.close();<a name="line.225"></a>
-<span class="sourceLineNo">226</span> conf.setBoolean(HConstants.USE_META_REPLICAS, false);<a name="line.226"></a>
-<span class="sourceLineNo">227</span> htable = c.getTable(TABLE);<a name="line.227"></a>
-<span class="sourceLineNo">228</span> r = htable.get(get);<a name="line.228"></a>
-<span class="sourceLineNo">229</span> assertTrue(Arrays.equals(r.getRow(), row));<a name="line.229"></a>
-<span class="sourceLineNo">230</span> }<a name="line.230"></a>
-<span class="sourceLineNo">231</span><a name="line.231"></a>
-<span class="sourceLineNo">232</span> @Test<a name="line.232"></a>
-<span class="sourceLineNo">233</span> public void testMetaLookupThreadPoolCreated() throws Exception {<a name="line.233"></a>
-<span class="sourceLineNo">234</span> TableName TABLE = TableName.valueOf("testMetaLookupThreadPoolCreated");<a name="line.234"></a>
-<span class="sourceLineNo">235</span> byte[][] FAMILIES = new byte[][] { Bytes.toBytes("foo") };<a name="line.235"></a>
-<span class="sourceLineNo">236</span> if (TEST_UTIL.getHBaseAdmin().tableExists(TABLE)) {<a name="line.236"></a>
-<span class="sourceLineNo">237</span> TEST_UTIL.getHBaseAdmin().disableTable(TABLE);<a name="line.237"></a>
-<span class="sourceLineNo">238</span> TEST_UTIL.getHBaseAdmin().deleteTable(TABLE);<a name="line.238"></a>
-<span class="sourceLineNo">239</span> }<a name="line.239"></a>
-<span class="sourceLineNo">240</span> Table htable = TEST_UTIL.createTable(TABLE, FAMILIES);<a name="line.240"></a>
-<span class="sourceLineNo">241</span> byte[] row = "test".getBytes();<a name="line.241"></a>
-<span class="sourceLineNo">242</span> ConnectionImplementation c = ((ConnectionImplementation) TEST_UTIL.getConnection());<a name="line.242"></a>
-<span class="sourceLineNo">243</span> // check that metalookup pool would get created<a name="line.243"></a>
-<span class="sourceLineNo">244</span> c.relocateRegion(TABLE, row);<a name="line.244"></a>
-<span class="sourceLineNo">245</span> ExecutorService ex = c.getCurrentMetaLookupPool();<a name="line.245"></a>
-<span class="sourceLineNo">246</span> assert(ex != null);<a name="line.246"></a>
-<span class="sourceLineNo">247</span> }<a name="line.247"></a>
-<span class="sourceLineNo">248</span><a name="line.248"></a>
-<span class="sourceLineNo">249</span> @Test<a name="line.249"></a>
-<span class="sourceLineNo">250</span> public void testChangingReplicaCount() throws Exception {<a name="line.250"></a>
-<span class="sourceLineNo">251</span> // tests changing the replica count across master restarts<a name="line.251"></a>
-<span class="sourceLineNo">252</span> // reduce the replica count from 3 to 2<a name="line.252"></a>
-<span class="sourceLineNo">253</span> stopMasterAndValidateReplicaCount(3, 2);<a name="line.253"></a>
-<span class="sourceLineNo">254</span> // increase the replica count from 2 to 3<a name="line.254"></a>
-<span class="sourceLineNo">255</span> stopMasterAndValidateReplicaCount(2, 3);<a name="line.255"></a>
-<span class="sourceLineNo">256</span> }<a name="line.256"></a>
-<span class="sourceLineNo">257</span><a name="line.257"></a>
-<span class="sourceLineNo">258</span> private void stopMasterAndValidateReplicaCount(final int originalReplicaCount,<a name="line.258"></a>
-<span class="sourceLineNo">259</span> final int newReplicaCount)<a name="line.259"></a>
-<span class="sourceLineNo">260</span> throws Exception {<a name="line.260"></a>
-<span class="sourceLineNo">261</span> ServerName sn = TEST_UTIL.getHBaseClusterInterface().getClusterStatus().getMaster();<a name="line.261"></a>
-<span class="sourceLineNo">262</span> TEST_UTIL.getHBaseClusterInterface().stopMaster(sn);<a name="line.262"></a>
-<span class="sourceLineNo">263</span> TEST_UTIL.getHBaseClusterInterface().waitForMasterToStop(sn, 60000);<a name="line.263"></a>
-<span class="sourceLineNo">264</span> List<String> metaZnodes = TEST_UTIL.getZooKeeperWatcher().getMetaReplicaNodes();<a name="line.264"></a>
-<span class="sourceLineNo">265</span> assert(metaZnodes.size() == originalReplicaCount); //we should have what was configured before<a name="line.265"></a>
-<span class="sourceLineNo">266</span> TEST_UTIL.getHBaseClusterInterface().getConf().setInt(HConstants.META_REPLICAS_NUM,<a name="line.266"></a>
-<span class="sourceLineNo">267</span> newReplicaCount);<a name="line.267"></a>
-<span class="sourceLineNo">268</span> TEST_UTIL.getHBaseClusterInterface().startMaster(sn.getHostname(), 0);<a name="line.268"></a>
-<span class="sourceLineNo">269</span> TEST_UTIL.getHBaseClusterInterface().waitForActiveAndReadyMaster();<a name="line.269"></a>
-<span class="sourceLineNo">270</span> TEST_UTIL.waitFor(10000, predicateMetaHasReplicas(newReplicaCount));<a name="line.270"></a>
-<span class="sourceLineNo">271</span> // also check if hbck returns without errors<a name="line.271"></a>
-<span class="sourceLineNo">272</span> TEST_UTIL.getConfiguration().setInt(HConstants.META_REPLICAS_NUM,<a name="line.272"></a>
-<span class="sourceLineNo">273</span> newReplicaCount);<a name="line.273"></a>
-<span class="sourceLineNo">274</span> HBaseFsck hbck = HbckTestingUtil.doFsck(TEST_UTIL.getConfiguration(), false);<a name="line.274"></a>
-<span class="sourceLineNo">275</span> HbckTestingUtil.assertNoErrors(hbck);<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> private Waiter.ExplainingPredicate<Exception> predicateMetaHasReplicas(<a name="line.278"></a>
-<span class="sourceLineNo">279</span> final int newReplicaCount) {<a name="line.279"></a>
-<span class="sourceLineNo">280</span> return new Waiter.ExplainingPredicate<Exception>() {<a name="line.280"></a>
-<span class="sourceLineNo">281</span> @Override<a name="line.281"></a>
-<span class="sourceLineNo">282</span> public String explainFailure() throws Exception {<a name="line.282"></a>
-<span class="sourceLineNo">283</span> return checkMetaLocationAndExplain(newReplicaCount);<a name="line.283"></a>
-<span class="sourceLineNo">284</span> }<a name="line.284"></a>
-<span class="sourceLineNo">285</span><a name="line.285"></a>
+<span class="sourceLineNo">173</span> ServerName master = null;<a name="line.173"></a>
+<span class="sourceLineNo">174</span> try (Connection c = ConnectionFactory.createConnection(util.getConfiguration());) {<a name="line.174"></a>
+<span class="sourceLineNo">175</span> try (Table htable = util.createTable(TABLE, FAMILIES);) {<a name="line.175"></a>
+<span class="sourceLineNo">176</span> util.getHBaseAdmin().flush(TableName.META_TABLE_NAME);<a name="line.176"></a>
+<span class="sourceLineNo">177</span> Thread.sleep(conf.getInt(StorefileRefresherChore.REGIONSERVER_STOREFILE_REFRESH_PERIOD,<a name="line.177"></a>
+<span class="sourceLineNo">178</span> 30000) * 6);<a name="line.178"></a>
+<span class="sourceLineNo">179</span> List<HRegionInfo> regions = MetaTableAccessor.getTableRegions(c, TABLE);<a name="line.179"></a>
+<span class="sourceLineNo">180</span> HRegionLocation hrl = MetaTableAccessor.getRegionLocation(c, regions.get(0));<a name="line.180"></a>
+<span class="sourceLineNo">181</span> // Ensure that the primary server for test table is not the same one as the primary<a name="line.181"></a>
+<span class="sourceLineNo">182</span> // of the meta region since we will be killing the srv holding the meta's primary...<a name="line.182"></a>
+<span class="sourceLineNo">183</span> // We want to be able to write to the test table even when the meta is not present ..<a name="line.183"></a>
+<span class="sourceLineNo">184</span> // If the servers are the same, then move the test table's region out of the server<a name="line.184"></a>
+<span class="sourceLineNo">185</span> // to another random server<a name="line.185"></a>
+<span class="sourceLineNo">186</span> if (hrl.getServerName().equals(primary)) {<a name="line.186"></a>
+<span class="sourceLineNo">187</span> util.getHBaseAdmin().move(hrl.getRegionInfo().getEncodedNameAsBytes(), null);<a name="line.187"></a>
+<span class="sourceLineNo">188</span> // wait for the move to complete<a name="line.188"></a>
+<span class="sourceLineNo">189</span> do {<a name="line.189"></a>
+<span class="sourceLineNo">190</span> Thread.sleep(10);<a name="line.190"></a>
+<span class="sourceLineNo">191</span> hrl = MetaTableAccessor.getRegionLocation(c, regions.get(0));<a name="line.191"></a>
+<span class="sourceLineNo">192</span> } while (primary.equals(hrl.getServerName()));<a name="line.192"></a>
+<span class="sourceLineNo">193</span> util.getHBaseAdmin().flush(TableName.META_TABLE_NAME);<a name="line.193"></a>
+<span class="sourceLineNo">194</span> Thread.sleep(conf.getInt(StorefileRefresherChore.REGIONSERVER_STOREFILE_REFRESH_PERIOD,<a name="line.194"></a>
+<span class="sourceLineNo">195</span> 30000) * 3);<a name="line.195"></a>
+<span class="sourceLineNo">196</span> }<a name="line.196"></a>
+<span class="sourceLineNo">197</span> master = util.getHBaseClusterInterface().getClusterStatus().getMaster();<a name="line.197"></a>
+<span class="sourceLineNo">198</span> // kill the master so that regionserver recovery is not triggered at all<a name="line.198"></a>
+<span class="sourceLineNo">199</span> // for the meta server<a name="line.199"></a>
+<span class="sourceLineNo">200</span> util.getHBaseClusterInterface().stopMaster(master);<a name="line.200"></a>
+<span class="sourceLineNo">201</span> util.getHBaseClusterInterface().waitForMasterToStop(master, 60000);<a name="line.201"></a>
+<span class="sourceLineNo">202</span> if (!master.equals(primary)) {<a name="line.202"></a>
+<span class="sourceLineNo">203</span> util.getHBaseClusterInterface().killRegionServer(primary);<a name="line.203"></a>
+<span class="sourceLineNo">204</span> util.getHBaseClusterInterface().waitForRegionServerToStop(primary, 60000);<a name="line.204"></a>
+<span class="sourceLineNo">205</span> }<a name="line.205"></a>
+<span class="sourceLineNo">206</span> ((ClusterConnection)c).clearRegionCache();<a name="line.206"></a>
+<span class="sourceLineNo">207</span> }<a name="line.207"></a>
+<span class="sourceLineNo">208</span> Get get = null;<a name="line.208"></a>
+<span class="sourceLineNo">209</span> Result r = null;<a name="line.209"></a>
+<span class="sourceLineNo">210</span> byte[] row = "test".getBytes();<a name="line.210"></a>
+<span class="sourceLineNo">211</span> try (Table htable = c.getTable(TABLE);) {<a name="line.211"></a>
+<span class="sourceLineNo">212</span> Put put = new Put(row);<a name="line.212"></a>
+<span class="sourceLineNo">213</span> put.addColumn("foo".getBytes(), row, row);<a name="line.213"></a>
+<span class="sourceLineNo">214</span> BufferedMutator m = c.getBufferedMutator(TABLE);<a name="line.214"></a>
+<span class="sourceLineNo">215</span> m.mutate(put);<a name="line.215"></a>
+<span class="sourceLineNo">216</span> m.flush();<a name="line.216"></a>
+<span class="sourceLineNo">217</span> // Try to do a get of the row that was just put<a name="line.217"></a>
+<span class="sourceLineNo">218</span> get = new Get(row);<a name="line.218"></a>
+<span class="sourceLineNo">219</span> r = htable.get(get);<a name="line.219"></a>
+<span class="sourceLineNo">220</span> assertTrue(Arrays.equals(r.getRow(), row));<a name="line.220"></a>
+<span class="sourceLineNo">221</span> // now start back the killed servers and disable use of replicas. That would mean<a name="line.221"></a>
+<span class="sourceLineNo">222</span> // calls go to the primary<a name="line.222"></a>
+<span class="sourceLineNo">223</span> util.getHBaseClusterInterface().startMaster(master.getHostname(), 0);<a name="line.223"></a>
+<span class="sourceLineNo">224</span> util.getHBaseClusterInterface().startRegionServer(primary.getHostname(), 0);<a name="line.224"></a>
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+<span class="sourceLineNo">226</span> ((ClusterConnection)c).clearRegionCache();<a name="line.226"></a>
+<span class="sourceLineNo">227</span> }<a name="line.227"></a>
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+<span class="sourceLineNo">230</span> r = htable.get(get);<a name="line.230"></a>
+<span class="sourceLineNo">231</span> assertTrue(Arrays.equals(r.getRow(), row));<a name="line.231"></a>
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+<span class="sourceLineNo">234</span> }<a name="line.234"></a>
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+<span class="sourceLineNo">237</span> public void testMetaLookupThreadPoolCreated() throws Exception {<a name="line.237"></a>
+<span class="sourceLineNo">238</span> TableName TABLE = TableName.valueOf("testMetaLookupThreadPoolCreated");<a name="line.238"></a>
+<span class="sourceLineNo">239</span> byte[][] FAMILIES = new byte[][] { Bytes.toBytes("foo") };<a name="line.239"></a>
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+<span class="sourceLineNo">242</span> TEST_UTIL.getHBaseAdmin().deleteTable(TABLE);<a name="line.242"></a>
+<span class="sourceLineNo">243</span> }<a name="line.243"></a>
+<span class="sourceLineNo">244</span> try (Table htable = TEST_UTIL.createTable(TABLE, FAMILIES);) {<a name="line.244"></a>
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+<span class="sourceLineNo">248</span> c.relocateRegion(TABLE, row);<a name="line.248"></a>
+<span class="sourceLineNo">249</span> ExecutorService ex = c.getCurrentMetaLookupPool();<a name="line.249"></a>
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+<span class="sourceLineNo">257</span> // reduce the replica count from 3 to 2<a name="line.257"></a>
+<span class="sourceLineNo">258</span> stopMasterAndValidateReplicaCount(3, 2);<a name="line.258"></a>
+<span class="sourceLineNo">259</span> // increase the replica count from 2 to 3<a name="line.259"></a>
+<span class="sourceLineNo">260</span> stopMasterAndValidateReplicaCount(2, 3);<a name="line.260"></a>
+<span class="sourceLineNo">261</span> }<a name="line.261"></a>
+<span class="sourceLineNo">262</span><a name="line.262"></a>
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+<span class="sourceLineNo">373</span> try {<a name="line.373"></a>
+<span class="sourceLineNo">374</span> table.get(get);<a name="line.374"></a>
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+<span class="sourceLineNo">448</span> // create in-memory state otherwise master won't assign<a name="line.448"></a>
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