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Posted to commits@hbase.apache.org by gi...@apache.org on 2017/10/03 15:13:55 UTC
[12/34] hbase-site git commit: Published site at .
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/73598816/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/SplitTableRegionProcedure.StoreFileSplitter.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/SplitTableRegionProcedure.StoreFileSplitter.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/SplitTableRegionProcedure.StoreFileSplitter.html
index c05c5f1..0e29348 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/SplitTableRegionProcedure.StoreFileSplitter.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/SplitTableRegionProcedure.StoreFileSplitter.html
@@ -172,648 +172,649 @@
<span class="sourceLineNo">164</span> }<a name="line.164"></a>
<span class="sourceLineNo">165</span><a name="line.165"></a>
<span class="sourceLineNo">166</span> if(bestSplitRow == null || bestSplitRow.length == 0) {<a name="line.166"></a>
-<span class="sourceLineNo">167</span> throw new DoNotRetryIOException("Region not splittable because bestSplitPoint = null");<a name="line.167"></a>
-<span class="sourceLineNo">168</span> }<a name="line.168"></a>
-<span class="sourceLineNo">169</span><a name="line.169"></a>
-<span class="sourceLineNo">170</span> if (Bytes.equals(regionToSplit.getStartKey(), bestSplitRow)) {<a name="line.170"></a>
-<span class="sourceLineNo">171</span> throw new DoNotRetryIOException(<a name="line.171"></a>
-<span class="sourceLineNo">172</span> "Split row is equal to startkey: " + Bytes.toStringBinary(splitRow));<a name="line.172"></a>
-<span class="sourceLineNo">173</span> }<a name="line.173"></a>
-<span class="sourceLineNo">174</span><a name="line.174"></a>
-<span class="sourceLineNo">175</span> if (!regionToSplit.containsRow(bestSplitRow)) {<a name="line.175"></a>
-<span class="sourceLineNo">176</span> throw new DoNotRetryIOException(<a name="line.176"></a>
-<span class="sourceLineNo">177</span> "Split row is not inside region key range splitKey:" + Bytes.toStringBinary(splitRow) +<a name="line.177"></a>
-<span class="sourceLineNo">178</span> " region: " + regionToSplit);<a name="line.178"></a>
-<span class="sourceLineNo">179</span> }<a name="line.179"></a>
-<span class="sourceLineNo">180</span> }<a name="line.180"></a>
-<span class="sourceLineNo">181</span><a name="line.181"></a>
-<span class="sourceLineNo">182</span> /**<a name="line.182"></a>
-<span class="sourceLineNo">183</span> * Calculate daughter regionid to use.<a name="line.183"></a>
-<span class="sourceLineNo">184</span> * @param hri Parent {@link RegionInfo}<a name="line.184"></a>
-<span class="sourceLineNo">185</span> * @return Daughter region id (timestamp) to use.<a name="line.185"></a>
-<span class="sourceLineNo">186</span> */<a name="line.186"></a>
-<span class="sourceLineNo">187</span> private static long getDaughterRegionIdTimestamp(final RegionInfo hri) {<a name="line.187"></a>
-<span class="sourceLineNo">188</span> long rid = EnvironmentEdgeManager.currentTime();<a name="line.188"></a>
-<span class="sourceLineNo">189</span> // Regionid is timestamp. Can't be less than that of parent else will insert<a name="line.189"></a>
-<span class="sourceLineNo">190</span> // at wrong location in hbase:meta (See HBASE-710).<a name="line.190"></a>
-<span class="sourceLineNo">191</span> if (rid < hri.getRegionId()) {<a name="line.191"></a>
-<span class="sourceLineNo">192</span> LOG.warn("Clock skew; parent regions id is " + hri.getRegionId() +<a name="line.192"></a>
-<span class="sourceLineNo">193</span> " but current time here is " + rid);<a name="line.193"></a>
-<span class="sourceLineNo">194</span> rid = hri.getRegionId() + 1;<a name="line.194"></a>
-<span class="sourceLineNo">195</span> }<a name="line.195"></a>
-<span class="sourceLineNo">196</span> return rid;<a name="line.196"></a>
-<span class="sourceLineNo">197</span> }<a name="line.197"></a>
-<span class="sourceLineNo">198</span><a name="line.198"></a>
-<span class="sourceLineNo">199</span> @Override<a name="line.199"></a>
-<span class="sourceLineNo">200</span> protected Flow executeFromState(final MasterProcedureEnv env, final SplitTableRegionState state)<a name="line.200"></a>
-<span class="sourceLineNo">201</span> throws InterruptedException {<a name="line.201"></a>
-<span class="sourceLineNo">202</span> if (isTraceEnabled()) {<a name="line.202"></a>
-<span class="sourceLineNo">203</span> LOG.trace(this + " execute state=" + state);<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> try {<a name="line.206"></a>
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-<span class="sourceLineNo">208</span> case SPLIT_TABLE_REGION_PREPARE:<a name="line.208"></a>
-<span class="sourceLineNo">209</span> if (prepareSplitRegion(env)) {<a name="line.209"></a>
-<span class="sourceLineNo">210</span> setNextState(SplitTableRegionState.SPLIT_TABLE_REGION_PRE_OPERATION);<a name="line.210"></a>
-<span class="sourceLineNo">211</span> break;<a name="line.211"></a>
-<span class="sourceLineNo">212</span> } else {<a name="line.212"></a>
-<span class="sourceLineNo">213</span> assert isFailed() : "split region should have an exception here";<a name="line.213"></a>
-<span class="sourceLineNo">214</span> return Flow.NO_MORE_STATE;<a name="line.214"></a>
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-<span class="sourceLineNo">219</span> break;<a name="line.219"></a>
-<span class="sourceLineNo">220</span> case SPLIT_TABLE_REGION_CLOSE_PARENT_REGION:<a name="line.220"></a>
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-<span class="sourceLineNo">238</span> setNextState(SplitTableRegionState.SPLIT_TABLE_REGION_OPEN_CHILD_REGIONS);<a name="line.238"></a>
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-<span class="sourceLineNo">241</span> addChildProcedure(createAssignProcedures(env, getRegionReplication(env)));<a name="line.241"></a>
-<span class="sourceLineNo">242</span> setNextState(SplitTableRegionState.SPLIT_TABLE_REGION_POST_OPERATION);<a name="line.242"></a>
-<span class="sourceLineNo">243</span> break;<a name="line.243"></a>
-<span class="sourceLineNo">244</span> case SPLIT_TABLE_REGION_POST_OPERATION:<a name="line.244"></a>
-<span class="sourceLineNo">245</span> postSplitRegion(env);<a name="line.245"></a>
-<span class="sourceLineNo">246</span> return Flow.NO_MORE_STATE;<a name="line.246"></a>
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-<span class="sourceLineNo">248</span> throw new UnsupportedOperationException(this + " unhandled state=" + state);<a name="line.248"></a>
-<span class="sourceLineNo">249</span> }<a name="line.249"></a>
-<span class="sourceLineNo">250</span> } catch (IOException e) {<a name="line.250"></a>
-<span class="sourceLineNo">251</span> String msg = "Error trying to split region " + getParentRegion().getEncodedName() + " in the table "<a name="line.251"></a>
-<span class="sourceLineNo">252</span> + getTableName() + " (in state=" + state + ")";<a name="line.252"></a>
-<span class="sourceLineNo">253</span> if (!isRollbackSupported(state)) {<a name="line.253"></a>
-<span class="sourceLineNo">254</span> // We reach a state that cannot be rolled back. We just need to keep retry.<a name="line.254"></a>
-<span class="sourceLineNo">255</span> LOG.warn(msg, e);<a name="line.255"></a>
-<span class="sourceLineNo">256</span> } else {<a name="line.256"></a>
-<span class="sourceLineNo">257</span> LOG.error(msg, e);<a name="line.257"></a>
-<span class="sourceLineNo">258</span> setFailure(e);<a name="line.258"></a>
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-<span class="sourceLineNo">261</span> // if split fails, need to call ((HRegion)parent).clearSplit() when it is a force split<a name="line.261"></a>
-<span class="sourceLineNo">262</span> return Flow.HAS_MORE_STATE;<a name="line.262"></a>
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-<span class="sourceLineNo">267</span> throws IOException, InterruptedException {<a name="line.267"></a>
-<span class="sourceLineNo">268</span> if (isTraceEnabled()) {<a name="line.268"></a>
-<span class="sourceLineNo">269</span> LOG.trace(this + " rollback state=" + state);<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> try {<a name="line.272"></a>
-<span class="sourceLineNo">273</span> switch (state) {<a name="line.273"></a>
-<span class="sourceLineNo">274</span> case SPLIT_TABLE_REGION_POST_OPERATION:<a name="line.274"></a>
-<span class="sourceLineNo">275</span> case SPLIT_TABLE_REGION_OPEN_CHILD_REGIONS:<a name="line.275"></a>
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-<span class="sourceLineNo">277</span> case SPLIT_TABLE_REGION_UPDATE_META:<a name="line.277"></a>
-<span class="sourceLineNo">278</span> // PONR<a name="line.278"></a>
-<span class="sourceLineNo">279</span> throw new UnsupportedOperationException(this + " unhandled state=" + state);<a name="line.279"></a>
-<span class="sourceLineNo">280</span> case SPLIT_TABLE_REGION_PRE_OPERATION_BEFORE_PONR:<a name="line.280"></a>
-<span class="sourceLineNo">281</span> break;<a name="line.281"></a>
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-<span class="sourceLineNo">283</span> // Doing nothing, as re-open parent region would clean up daughter region directories.<a name="line.283"></a>
-<span class="sourceLineNo">284</span> break;<a name="line.284"></a>
-<span class="sourceLineNo">285</span> case SPLIT_TABLE_REGION_CLOSE_PARENT_REGION:<a name="line.285"></a>
-<span class="sourceLineNo">286</span> openParentRegion(env);<a name="line.286"></a>
-<span class="sourceLineNo">287</span> break;<a name="line.287"></a>
-<span class="sourceLineNo">288</span> case SPLIT_TABLE_REGION_PRE_OPERATION:<a name="line.288"></a>
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-<span class="sourceLineNo">290</span> break;<a name="line.290"></a>
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-<span class="sourceLineNo">292</span> break; // nothing to do<a name="line.292"></a>
-<span class="sourceLineNo">293</span> default:<a name="line.293"></a>
-<span class="sourceLineNo">294</span> throw new UnsupportedOperationException(this + " unhandled state=" + state);<a name="line.294"></a>
-<span class="sourceLineNo">295</span> }<a name="line.295"></a>
-<span class="sourceLineNo">296</span> } catch (IOException e) {<a name="line.296"></a>
-<span class="sourceLineNo">297</span> // This will be retried. Unless there is a bug in the code,<a name="line.297"></a>
-<span class="sourceLineNo">298</span> // this should be just a "temporary error" (e.g. network down)<a name="line.298"></a>
-<span class="sourceLineNo">299</span> LOG.warn("pid=" + getProcId() + " failed rollback attempt step " + state +<a name="line.299"></a>
-<span class="sourceLineNo">300</span> " for splitting the region "<a name="line.300"></a>
-<span class="sourceLineNo">301</span> + getParentRegion().getEncodedName() + " in table " + getTableName(), e);<a name="line.301"></a>
-<span class="sourceLineNo">302</span> throw e;<a name="line.302"></a>
-<span class="sourceLineNo">303</span> }<a name="line.303"></a>
-<span class="sourceLineNo">304</span> }<a name="line.304"></a>
-<span class="sourceLineNo">305</span><a name="line.305"></a>
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+<span class="sourceLineNo">245</span> case SPLIT_TABLE_REGION_POST_OPERATION:<a name="line.245"></a>
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+<span class="sourceLineNo">248</span> default:<a name="line.248"></a>
+<span class="sourceLineNo">249</span> throw new UnsupportedOperationException(this + " unhandled state=" + state);<a name="line.249"></a>
+<span class="sourceLineNo">250</span> }<a name="line.250"></a>
+<span class="sourceLineNo">251</span> } catch (IOException e) {<a name="line.251"></a>
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+<span class="sourceLineNo">253</span> + getTableName() + " (in state=" + state + ")";<a name="line.253"></a>
+<span class="sourceLineNo">254</span> if (!isRollbackSupported(state)) {<a name="line.254"></a>
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+<span class="sourceLineNo">256</span> LOG.warn(msg, e);<a name="line.256"></a>
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+<span class="sourceLineNo">258</span> LOG.error(msg, e);<a name="line.258"></a>
+<span class="sourceLineNo">259</span> setFailure(e);<a name="line.259"></a>
+<span class="sourceLineNo">260</span> }<a name="line.260"></a>
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+<span class="sourceLineNo">264</span> }<a name="line.264"></a>
+<span class="sourceLineNo">265</span><a name="line.265"></a>
+<span class="sourceLineNo">266</span> @Override<a name="line.266"></a>
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+<span class="sourceLineNo">268</span> throws IOException, InterruptedException {<a name="line.268"></a>
+<span class="sourceLineNo">269</span> if (isTraceEnabled()) {<a name="line.269"></a>
+<span class="sourceLineNo">270</span> LOG.trace(this + " rollback state=" + state);<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> try {<a name="line.273"></a>
+<span class="sourceLineNo">274</span> switch (state) {<a name="line.274"></a>
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+<span class="sourceLineNo">278</span> case SPLIT_TABLE_REGION_UPDATE_META:<a name="line.278"></a>
+<span class="sourceLineNo">279</span> // PONR<a name="line.279"></a>
+<span class="sourceLineNo">280</span> throw new UnsupportedOperationException(this + " unhandled state=" + state);<a name="line.280"></a>
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+<span class="sourceLineNo">283</span> case SPLIT_TABLE_REGION_CREATE_DAUGHTER_REGIONS:<a name="line.283"></a>
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+<span class="sourceLineNo">286</span> case SPLIT_TABLE_REGION_CLOSE_PARENT_REGION:<a name="line.286"></a>
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+<span class="sourceLineNo">288</span> break;<a name="line.288"></a>
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+<span class="sourceLineNo">292</span> case SPLIT_TABLE_REGION_PREPARE:<a name="line.292"></a>
+<span class="sourceLineNo">293</span> break; // nothing to do<a name="line.293"></a>
+<span class="sourceLineNo">294</span> default:<a name="line.294"></a>
+<span class="sourceLineNo">295</span> throw new UnsupportedOperationException(this + " unhandled state=" + state);<a name="line.295"></a>
+<span class="sourceLineNo">296</span> }<a name="line.296"></a>
+<span class="sourceLineNo">297</span> } catch (IOException e) {<a name="line.297"></a>
+<span class="sourceLineNo">298</span> // This will be retried. Unless there is a bug in the code,<a name="line.298"></a>
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+<span class="sourceLineNo">300</span> LOG.warn("pid=" + getProcId() + " failed rollback attempt step " + state +<a name="line.300"></a>
+<span class="sourceLineNo">301</span> " for splitting the region "<a name="line.301"></a>
+<span class="sourceLineNo">302</span> + getParentRegion().getEncodedName() + " in table " + getTableName(), e);<a name="line.302"></a>
+<span class="sourceLineNo">303</span> throw e;<a name="line.303"></a>
+<span class="sourceLineNo">304</span> }<a name="line.304"></a>
+<span class="sourceLineNo">305</span> }<a name="line.305"></a>
+<span class="sourceLineNo">306</span><a name="line.306"></a>
+<span class="sourceLineNo">307</span> /*<a name="line.307"></a>
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+<span class="sourceLineNo">309</span> */<a name="line.309"></a>
+<span class="sourceLineNo">310</span> @Override<a name="line.310"></a>
+<span class="sourceLineNo">311</span> protected boolean isRollbackSupported(final SplitTableRegionState state) {<a name="line.311"></a>
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+<span class="sourceLineNo">318</span> return false;<a name="line.318"></a>
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+<span class="sourceLineNo">320</span> break;<a name="line.320"></a>
+<span class="sourceLineNo">321</span> }<a name="line.321"></a>
+<span class="sourceLineNo">322</span> return true;<a name="line.322"></a>
+<span class="sourceLineNo">323</span> }<a name="line.323"></a>
+<span class="sourceLineNo">324</span><a name="line.324"></a>
+<span class="sourceLineNo">325</span> @Override<a name="line.325"></a>
+<span class="sourceLineNo">326</span> protected SplitTableRegionState getState(final int stateId) {<a name="line.326"></a>
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+<span class="sourceLineNo">329</span><a name="line.329"></a>
+<span class="sourceLineNo">330</span> @Override<a name="line.330"></a>
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+<span class="sourceLineNo">332</span> return state.getNumber();<a name="line.332"></a>
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+<span class="sourceLineNo">334</span><a name="line.334"></a>
+<span class="sourceLineNo">335</span> @Override<a name="line.335"></a>
+<span class="sourceLineNo">336</span> protected SplitTableRegionState getInitialState() {<a name="line.336"></a>
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+<span class="sourceLineNo">338</span> }<a name="line.338"></a>
+<span class="sourceLineNo">339</span><a name="line.339"></a>
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+<span class="sourceLineNo">342</span> throws IOException {<a name="line.342"></a>
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+<span class="sourceLineNo">344</span><a name="line.344"></a>
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+<span class="sourceLineNo">347</span> .setUserInfo(MasterProcedureUtil.toProtoUserInfo(getUser()))<a name="line.347"></a>
+<span class="sourceLineNo">348</span> .setParentRegionInfo(ProtobufUtil.toRegionInfo(getRegion()))<a name="line.348"></a>
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+<span class="sourceLineNo">351</span> serializer.serialize(splitTableRegionMsg.build());<a name="line.351"></a>
+<span class="sourceLineNo">352</span> }<a name="line.352"></a>
+<span class="sourceLineNo">353</span><a name="line.353"></a>
+<span class="sourceLineNo">354</span> @Override<a name="line.354"></a>
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+<span class="sourceLineNo">358</span><a name="line.358"></a>
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+<span class="sourceLineNo">360</span> serializer.deserialize(MasterProcedureProtos.SplitTableRegionStateData.class);<a name="line.360"></a>
+<span class="sourceLineNo">361</span> setUser(MasterProcedureUtil.toUserInfo(splitTableRegionsMsg.getUserInfo()));<a name="line.361"></a>
+<span class="sourceLineNo">362</span> setRegion(ProtobufUtil.toRegionInfo(splitTableRegionsMsg.getParentRegionInfo()));<a name="line.362"></a>
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+<span class="sourceLineNo">367</span><a name="line.367"></a>
+<span class="sourceLineNo">368</span> @Override<a name="line.368"></a>
+<span class="sourceLineNo">369</span> public void toStringClassDetails(StringBuilder sb) {<a name="line.369"></a>
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+<span class="sourceLineNo">371</span> sb.append(" table=");<a name="line.371"></a>
+<span class="sourceLineNo">372</span> sb.append(getTableName());<a name="line.372"></a>
+<span class="sourceLineNo">373</span> sb.append(", parent=");<a name="line.373"></a>
+<span class="sourceLineNo">374</span> sb.append(getParentRegion().getShortNameToLog());<a name="line.374"></a>
+<span class="sourceLineNo">375</span> sb.append(", daughterA=");<a name="line.375"></a>
+<span class="sourceLineNo">376</span> sb.append(daughter_1_RI.getShortNameToLog());<a name="line.376"></a>
+<span class="sourceLineNo">377</span> sb.append(", daughterB=");<a name="line.377"></a>
+<span class="sourceLineNo">378</span> sb.append(daughter_2_RI.getShortNameToLog());<a name="line.378"></a>
+<span class="sourceLineNo">379</span> }<a name="line.379"></a>
+<span class="sourceLineNo">380</span><a name="line.380"></a>
+<span class="sourceLineNo">381</span> private RegionInfo getParentRegion() {<a name="line.381"></a>
+<span class="sourceLineNo">382</span> return getRegion();<a name="line.382"></a>
+<span class="sourceLineNo">383</span> }<a name="line.383"></a>
+<span class="sourceLineNo">384</span><a name="line.384"></a>
+<span class="sourceLineNo">385</span> @Override<a name="line.385"></a>
+<span class="sourceLineNo">386</span> public TableOperationType getTableOperationType() {<a name="line.386"></a>
+<span class="sourceLineNo">387</span> return TableOperationType.REGION_SPLIT;<a name="line.387"></a>
+<span class="sourceLineNo">388</span> }<a name="line.388"></a>
+<span class="sourceLineNo">389</span><a name="line.389"></a>
+<span class="sourceLineNo">390</span> @Override<a name="line.390"></a>
+<span class="sourceLineNo">391</span> protected ProcedureMetrics getProcedureMetrics(MasterProcedureEnv env) {<a name="line.391"></a>
+<span class="sourceLineNo">392</span> return env.getAssignmentManager().getAssignmentManagerMetrics().getSplitProcMetrics();<a name="line.392"></a>
+<span class="sourceLineNo">393</span> }<a name="line.393"></a>
+<span class="sourceLineNo">394</span><a name="line.394"></a>
+<span class="sourceLineNo">395</span> private byte[] getSplitRow() {<a name="line.395"></a>
+<span class="sourceLineNo">396</span> return daughter_2_RI.getStartKey();<a name="line.396"></a>
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+<span class="sourceLineNo">398</span><a name="line.398"></a>
+<span class="sourceLineNo">399</span> private static State [] EXPECTED_SPLIT_STATES = new State [] {State.OPEN, State.CLOSED};<a name="line.399"></a>
+<span class="sourceLineNo">400</span> /**<a name="line.400"></a>
+<span class="sourceLineNo">401</span> * Prepare to Split region.<a name="line.401"></a>
+<span class="sourceLineNo">402</span> * @param env MasterProcedureEnv<a name="line.402"></a>
+<span class="sourceLineNo">403</span> * @throws IOException<a name="line.403"></a>
+<span class="sourceLineNo">404</span> */<a name="line.404"></a>
+<span class="sourceLineNo">405</span> @VisibleForTesting<a name="line.405"></a>
+<span class="sourceLineNo">406</span> public boolean prepareSplitRegion(final
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