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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/02/02 15:13:45 UTC
[06/51] [partial] hbase-site git commit: Published site at .
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/1f2eeb22/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 b05cc00..c352c2f 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
@@ -271,555 +271,561 @@
<span class="sourceLineNo">263</span> return Flow.HAS_MORE_STATE;<a name="line.263"></a>
<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>
-<span class="sourceLineNo">267</span> protected void rollbackState(final MasterProcedureEnv env, final SplitTableRegionState state)<a name="line.267"></a>
-<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>
-<span class="sourceLineNo">275</span> case SPLIT_TABLE_REGION_POST_OPERATION:<a name="line.275"></a>
-<span class="sourceLineNo">276</span> case SPLIT_TABLE_REGION_OPEN_CHILD_REGIONS:<a name="line.276"></a>
-<span class="sourceLineNo">277</span> case SPLIT_TABLE_REGION_PRE_OPERATION_AFTER_META:<a name="line.277"></a>
-<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>
-<span class="sourceLineNo">281</span> case SPLIT_TABLE_REGION_PRE_OPERATION_BEFORE_META:<a name="line.281"></a>
-<span class="sourceLineNo">282</span> break;<a name="line.282"></a>
-<span class="sourceLineNo">283</span> case SPLIT_TABLE_REGION_CREATE_DAUGHTER_REGIONS:<a name="line.283"></a>
-<span class="sourceLineNo">284</span> // Doing nothing, as re-open parent region would clean up daughter region directories.<a name="line.284"></a>
-<span class="sourceLineNo">285</span> break;<a name="line.285"></a>
-<span class="sourceLineNo">286</span> case SPLIT_TABLE_REGION_CLOSE_PARENT_REGION:<a name="line.286"></a>
-<span class="sourceLineNo">287</span> openParentRegion(env);<a name="line.287"></a>
+<span class="sourceLineNo">266</span> /**<a name="line.266"></a>
+<span class="sourceLineNo">267</span> * To rollback {@link SplitTableRegionProcedure}, an AssignProcedure is asynchronously<a name="line.267"></a>
+<span class="sourceLineNo">268</span> * submitted for parent region to be split (rollback doesn't wait on the completion of the<a name="line.268"></a>
+<span class="sourceLineNo">269</span> * AssignProcedure) . This can be improved by changing rollback() to support sub-procedures.<a name="line.269"></a>
+<span class="sourceLineNo">270</span> * See HBASE-19851 for details.<a name="line.270"></a>
+<span class="sourceLineNo">271</span> */<a name="line.271"></a>
+<span class="sourceLineNo">272</span> @Override<a name="line.272"></a>
+<span class="sourceLineNo">273</span> protected void rollbackState(final MasterProcedureEnv env, final SplitTableRegionState state)<a name="line.273"></a>
+<span class="sourceLineNo">274</span> throws IOException, InterruptedException {<a name="line.274"></a>
+<span class="sourceLineNo">275</span> if (isTraceEnabled()) {<a name="line.275"></a>
+<span class="sourceLineNo">276</span> LOG.trace(this + " rollback state=" + state);<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> try {<a name="line.279"></a>
+<span class="sourceLineNo">280</span> switch (state) {<a name="line.280"></a>
+<span class="sourceLineNo">281</span> case SPLIT_TABLE_REGION_POST_OPERATION:<a name="line.281"></a>
+<span class="sourceLineNo">282</span> case SPLIT_TABLE_REGION_OPEN_CHILD_REGIONS:<a name="line.282"></a>
+<span class="sourceLineNo">283</span> case SPLIT_TABLE_REGION_PRE_OPERATION_AFTER_META:<a name="line.283"></a>
+<span class="sourceLineNo">284</span> case SPLIT_TABLE_REGION_UPDATE_META:<a name="line.284"></a>
+<span class="sourceLineNo">285</span> // PONR<a name="line.285"></a>
+<span class="sourceLineNo">286</span> throw new UnsupportedOperationException(this + " unhandled state=" + state);<a name="line.286"></a>
+<span class="sourceLineNo">287</span> case SPLIT_TABLE_REGION_PRE_OPERATION_BEFORE_META:<a name="line.287"></a>
<span class="sourceLineNo">288</span> break;<a name="line.288"></a>
-<span class="sourceLineNo">289</span> case SPLIT_TABLE_REGION_PRE_OPERATION:<a name="line.289"></a>
-<span class="sourceLineNo">290</span> postRollBackSplitRegion(env);<a name="line.290"></a>
+<span class="sourceLineNo">289</span> case SPLIT_TABLE_REGION_CREATE_DAUGHTER_REGIONS:<a name="line.289"></a>
+<span class="sourceLineNo">290</span> // Doing nothing, as re-open parent region would clean up daughter region directories.<a name="line.290"></a>
<span class="sourceLineNo">291</span> break;<a name="line.291"></a>
-<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>
-<span class="sourceLineNo">299</span> // this should be just a "temporary error" (e.g. network down)<a name="line.299"></a>
-<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>
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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>
-<span class="sourceLineNo">312</span> switch (state) {<a name="line.312"></a>
-<span class="sourceLineNo">313</span> case SPLIT_TABLE_REGION_POST_OPERATION:<a name="line.313"></a>
-<span class="sourceLineNo">314</span> case SPLIT_TABLE_REGION_OPEN_CHILD_REGIONS:<a name="line.314"></a>
-<span class="sourceLineNo">315</span> case SPLIT_TABLE_REGION_PRE_OPERATION_AFTER_META:<a name="line.315"></a>
-<span class="sourceLineNo">316</span> case SPLIT_TABLE_REGION_UPDATE_META:<a name="line.316"></a>
-<span class="sourceLineNo">317</span> // It is not safe to rollback if we reach to these states.<a name="line.317"></a>
-<span class="sourceLineNo">318</span> return false;<a name="line.318"></a>
-<span class="sourceLineNo">319</span> default:<a name="line.319"></a>
-<span class="sourceLineNo">320</span> break;<a name="line.320"></a>
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-<span class="sourceLineNo">322</span> return true;<a name="line.322"></a>
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-<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>
-<span class="sourceLineNo">327</span> return SplitTableRegionState.forNumber(stateId);<a name="line.327"></a>
-<span class="sourceLineNo">328</span> }<a name="line.328"></a>
-<span class="sourceLineNo">329</span><a name="line.329"></a>
-<span class="sourceLineNo">330</span> @Override<a name="line.330"></a>
-<span class="sourceLineNo">331</span> protected int getStateId(final SplitTableRegionState state) {<a name="line.331"></a>
-<span class="sourceLineNo">332</span> return state.getNumber();<a name="line.332"></a>
-<span class="sourceLineNo">333</span> }<a name="line.333"></a>
-<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>
-<span class="sourceLineNo">337</span> return SplitTableRegionState.SPLIT_TABLE_REGION_PREPARE;<a name="line.337"></a>
-<span class="sourceLineNo">338</span> }<a name="line.338"></a>
-<span class="sourceLineNo">339</span><a name="line.339"></a>
-<span class="sourceLineNo">340</span> @Override<a name="line.340"></a>
-<span class="sourceLineNo">341</span> protected void serializeStateData(ProcedureStateSerializer serializer)<a name="line.341"></a>
-<span class="sourceLineNo">342</span> throws IOException {<a name="line.342"></a>
-<span class="sourceLineNo">343</span> super.serializeStateData(serializer);<a name="line.343"></a>
-<span class="sourceLineNo">344</span><a name="line.344"></a>
-<span class="sourceLineNo">345</span> final MasterProcedureProtos.SplitTableRegionStateData.Builder splitTableRegionMsg =<a name="line.345"></a>
-<span class="sourceLineNo">346</span> MasterProcedureProtos.SplitTableRegionStateData.newBuilder()<a name="line.346"></a>
-<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>
-<span class="sourceLineNo">349</span> .addChildRegionInfo(ProtobufUtil.toRegionInfo(daughter_1_RI))<a name="line.349"></a>
-<span class="sourceLineNo">350</span> .addChildRegionInfo(ProtobufUtil.toRegionInfo(daughter_2_RI));<a name="line.350"></a>
-<span class="sourceLineNo">351</span> serializer.serialize(splitTableRegionMsg.build());<a name="line.351"></a>
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-<span class="sourceLineNo">356</span> throws IOException {<a name="line.356"></a>
-<span class="sourceLineNo">357</span> super.deserializeStateData(serializer);<a name="line.357"></a>
-<span class="sourceLineNo">358</span><a name="line.358"></a>
-<span class="sourceLineNo">359</span> final MasterProcedureProtos.SplitTableRegionStateData splitTableRegionsMsg =<a name="line.359"></a>
-<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>
-<span class="sourceLineNo">363</span> assert(splitTableRegionsMsg.getChildRegionInfoCount() == 2);<a name="line.363"></a>
-<span class="sourceLineNo">364</span> daughter_1_RI = ProtobufUtil.toRegionInfo(splitTableRegionsMsg.getChildRegionInfo(0));<a name="line.364"></a>
-<span class="sourceLineNo">365</span> daughter_2_RI = ProtobufUtil.toRegionInfo(splitTableRegionsMsg.getChildRegionInfo(1));<a name="line.365"></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>
-<span class="sourceLineNo">370</span> sb.append(getClass().getSimpleName());<a name="line.370"></a>
-<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>
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-<span class="sourceLineNo">380</span><a name="line.380"></a>
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-<span class="sourceLineNo">382</span> return getRegion();<a name="line.382"></a>
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-<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>
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-<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>
-<span class="sourceLineNo">397</span> }<a name="line.397"></a>
-<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 MasterProcedureEnv env) throws IOException {<a name="line.406"></a>
-<span class="sourceLineNo">407</span> // Check whether the region is splittable<a name="line.407"></a>
-<span class="sourceLineNo">408</span> RegionStateNode node =<a name="line.408"></a>
-<span class="sourceLineNo">409</span> env.getAssignmentManager().getRegionStates().getRegionStateNode(getParentRegion());<a name="line.409"></a>
-<span class="sourceLineNo">410</span><a name="line.410"></a>
-<span class="sourceLineNo">411</span> if (node == null) {<a name="line.411"></a>
-<span class="sourceLineNo">412</span> throw new UnknownRegionException(getParentRegion().getRegionNameAsString());<a name="line.412"></a>
-<span class="sourceLineNo">413</span> }<a name="line.413"></a>
-<span class="sourceLineNo">414</span><a name="line.414"></a>
-<span class="sourceLineNo">415</span> RegionInfo parentHRI = node.getRegionInfo();<a name="line.415"></a>
-<span class="sourceLineNo">416</span> // Lookup the parent HRI state from the AM, which has the latest updated info.<a name="line.416"></a>
-<span class="sourceLineNo">417</span> // Protect against the case where concurrent SPLIT requests came in and succeeded<a name="line.417"></a>
-<span class="sourceLineNo">418</span> // just before us.<a name="line.418"></a>
-<span class="sourceLineNo">419</span> if (node.isInState(State.SPLIT)) {<a name="line.419"></a>
-<span class="sourceLineNo">420</span> LOG.info("Split of " + parentHRI + " skipped; state is already SPLIT");<a name="line.420"></a>
-<span class="sourceLineNo">421</span> return false;<a name="line.421"></a>
-<span class="sourceLineNo">422</span> }<a name="line.422"></a>
-<span class="sourceLineNo">423</span> if (parentHRI.isSplit() || parentHRI.isOffline()) {<a name="line.423"></a>
-<span class="sourceLineNo">424</span> LOG.info("Split of " + parentHRI + " skipped because offline/split.");<a name="line.424"></a>
-<span class="sourceLineNo">425</span> return false;<a name="line.425"></a>
-<span class="sourceLineNo">426</span> }<a name="line.426"></a>
-<span class="sourceLineNo">427</span><a name="line.427"></a>
-<span class="sourceLineNo">428</span> // expected parent to be online or closed<a name="line.428"></a>
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-<span class="sourceLineNo">430</span> // We may have SPLIT already?<a name="line.430"></a>
-<span class="sourceLineNo">431</span> setFailure(new IOException("Split " + parentHRI.getRegionNameAsString() +<a name="line.431"></a>
-<span class="sourceLineNo">432</span> " FAILED because state=" + node.getState() + "; expected " +<a name="line.432"></a>
-<span class="sourceLineNo">433</span> Arrays.toString(EXPECTED_SPLIT_STATES)));<a name="line.433"></a>
-<span class="sourceLineNo">434</span> return false;<a name="line.434"></a>
-<span class="sourceLineNo">435</span> }<a name="line.435"></a>
-<span class="sourceLineNo">436</span><a name="line.436"></a>
-<span class="sourceLineNo">437</span> // Since we have the lock and the master is coordinating the operation<a name="line.437"></a>
-<span class="sourceLineNo">438</span> // we are always able to split the region<a name="line.438"></a>
-<span class="sourceLineNo">439</span> if (!env.getMasterServices().isSplitOrMergeEnabled(MasterSwitchType.SPLIT)) {<a name="line.439"></a>
-<span class="sourceLineNo">440</span> LOG.warn("pid=" + getProcId() + " split switch is off! skip split of " + parentHRI);<a name="line.440"></a>
-<span class="sourceLineNo">441</span> setFailure(new IOException("Split region " +<a name="line.441"></a>
-<span class="sourceLineNo">442</span> (parentHRI == null? "null": parentHRI.getRegionNameAsString()) +<a name="line.442"></a>
-<span class="sourceLineNo">443</span> " failed due to split switch off"));<a name="line.443"></a>
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-<span class="sourceLineNo">445</span> }<a name="line.445"></a>
-<span class="sourceLineNo">446</span><a name="line.446"></a>
-<span class="sourceLineNo">447</span> // set node state as SPLITTING<a name="line.447"></a>
-<span class="sourceLineNo">448</span> node.setState(State.SPLITTING);<a name="line.448"></a>
-<span class="sourceLineNo">449</span><a name="line.449"></a>
-<span class="sourceLineNo">450</span> return true;<a name="line.450"></a>
-<span class="sourceLineNo">451</span> }<a name="line.451"></a>
+<span class="sourceLineNo">292</span> case SPLIT_TABLE_REGION_CLOSE_PARENT_REGION:<a name="line.292"></a>
+<span class="sourceLineNo">293</span> openParentRegion(env);<a name="line.293"></a>
+<span class="sourceLineNo">294</span> break;<a name="line.294"></a>
+<span class="sourceLineNo">295</span> case SPLIT_TABLE_REGION_PRE_OPERATION:<a name="line.295"></a>
+<span class="sourceLineNo">296</span> postRollBackSplitRegion(env);<a name="line.296"></a>
+<span class="sourceLineNo">297</span> break;<a name="line.297"></a>
+<span class="sourceLineNo">298</span> case SPLIT_TABLE_REGION_PREPARE:<a name="line.298"></a>
+<span class="sourceLineNo">299</span> break; // nothing to do<a name="line.299"></a>
+<span class="sourceLineNo">300</span> default:<a name="line.300"></a>
+<span class="sourceLineNo">301</span> throw new UnsupportedOperationException(this + " unhandled state=" + state);<a name="line.301"></a>
+<span class="sourceLineNo">302</span> }<a name="line.302"></a>
+<span class="sourceLineNo">303</span> } catch (IOException e) {<a name="line.303"></a>
+<span class="sourceLineNo">304</span> // This will be retried. Unless there is a bug in the code,<a name="line.304"></a>
+<span class="sourceLineNo">305</span> // this should be just a "temporary error" (e.g. network down)<a name="line.305"></a>
+<span class="sourceLineNo">306</span> LOG.warn("pid=" + getProcId() + " failed rollback attempt step " + state +<a name="line.306"></a>
+<span class="sourceLineNo">307</span> " for splitting the region "<a name="line.307"></a>
+<span class="sourceLineNo">308</span> + getParentRegion().getEncodedName() + " in table " + getTableName(), e);<a name="line.308"></a>
+<span class="sourceLineNo">309</span> throw e;<a name="line.309"></a>
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+<span class="sourceLineNo">426</span> LOG.info("Split of " + parentHRI + " skipped; state is already SPLIT");<a name="line.426"></a>
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+<span class="sourceLineNo">429</span> if (parentHRI.isSplit() || parentHRI.isOffline()) {<a name="line.429"></a>
+<span class="sourceLineNo">430</span> LOG.info("Split of " + parentHRI + " skipped because offline/split.");<a name="line.430"></a>
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+<span class="sourceLineNo">438</span> " FAILED because state=" + node.getState() + "; expected " +<a name="line.438"></a>
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-<span class="sourceLineNo">551</span> // clean this up.<a name="line.551"></a>
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-<span class="sourceLineNo">651</span> daughterB + " storefiles.");<a name="line.651"></a>
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+<span class="sourceLineNo">548</span> final HRegionFileSystem regionFs) throws IOException {<a name="line.548"></a>
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+<span class="sourceLineNo">551</span> // The following code sets up a thread pool executor with as many slots as<a name="line.551"></a>
+<span class="sourceLineNo">552</span> // there's files to split. It then fires up everything, waits for<a name="line.552"></a>
+<span class="sourceLineNo">553</span> // completion and finally checks for any exception<a name="line.553"></a>
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+<span class="sourceLineNo">556</span> // Nothing to unroll here if failure -- re-run createSplitsDir will<a name="line.556"></a>
+<span class="sourceLineNo">557</span> // clean this up.<a name="line.557"></a>
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+<span class="sourceLineNo">564</span> Collection<StoreFileInfo> filteredSfis = null;<a name="line.564"></a>
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+<span class="sourceLineNo">574</span> continue;<a name="line.574"></a>
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+<span class="sourceLineNo">593</span> LOG.info("pid=" + getProcId() + " splitting " + nbFiles + " storefiles, region=" +<a name="line.593"></a>
+<span class="sourceLineNo">594</span> getParentRegion().getShortNameToLog() + ", threads=" + maxThreads);<a name="line.594"></a>
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+<span class="sourceLineNo">598</span><a name="line.598"></a>
+<span class="sourceLineNo">599</span> // Split each store file.<a name="line.599"></a>
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+<span class="sourceLineNo">603</span> final ColumnFamilyDescriptor hcd = htd.getColumnFamily(familyName);<a name="line.603"></a>
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+<span class="sourceLineNo">606</span> final CacheConfig cacheConf = new CacheConfig(conf, hcd);<a name="line.606"></a>
+<span class="sourceLineNo">607</span> for (StoreFileInfo storeFileInfo: storeFiles) {<a name="line.607"></a>
+<span class="sourceLineNo">608</span> StoreFileSplitter sfs =<a name="line.608"></a>
+<span class="sourceLineNo">609</span> new StoreFileSplitter(regionFs, familyName, new HStoreFile(mfs.getFileSystem(),<a name="line.609"></a>
+<span class="sourceLineNo">610</span> storeFileInfo, conf, cacheConf, hcd.getBloomFilterType(), true));<a name="line.610"></a>
+<span class="sourceLineNo">611</span> futures.add(threadPool.submit(sfs));<a name="line.611"></a>
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+<span class="sourceLineNo">613</span> }<a name="line.613"></a>
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+<span class="sourceLineNo">617</span><a name="line.617"></a>
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+<span class="sourceLineNo">620</span> // hbase.regionserver.fileSplitTimeout. If set, use its value.<a name="line.620"></a>
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+<span class="sourceLineNo">625</span> if (stillRunning) {<a name="line.625"></a>
+<span class="sourceLineNo">626</span> threadPool.shutdownNow();<a name="line.626"></a>
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+<span class="sourceLineNo">631</span> throw new IOException("Took too long to split the" +<a name="line.631"></a>
+<span class="sourceLineNo">632</span> " files and create the references, aborting split");<a name="line.632"></a>
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+<span class="sourceLineNo">642</span> try {<a name="line.642"></a>
+<span class="sourceLineNo">643</span> Pair<Path, Path> p = future.get();<a name="line.643"></a>
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+<span class="sourceLineNo">645</span> daughterB += p.getSecond() != null ? 1 : 0;<a name="line.645"></a>
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+<span class="sourceLineNo">649</span> throw new IOException(e);<a name="line.649"></a>
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+<span class="sourceLineNo">652</span><a name="line.652"></a>
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+<span class="sourceLineNo">655</span> getParentRegion().getShortNameToLog() +<a name="line.655"></a>
+<span class="sourceLineNo">656</span> " Daughter A: " + daughterA + " storefiles, Daughter B: " +<a name="line.656"></a>
+<span class="sourceLineNo">657</span> daughterB + " storefiles.");<a name="line.657"></a>
+<span class="sourceLineNo">658</span> }<a name="line.658"></a>
+<span class="sourceLineNo">659</span> return new Pair<Integer, Integer>(daughterA, daughterB);<a name="line.659"></a>
+<span class="sourceLineNo">660</span> }<a name="line.660"></a>
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+<span class="sourceLineNo">664</span> if (expectedReferenceFileCount != 0 &&<a name="line.664"></a>
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+<span class="sourceLineNo">666</span> throw new IOException("Failing split. Expected reference file count isn't equal.");<a name="line.666"></a>
+<span class="sourceLineNo">667</span> }<a name="line.667"></a>
+<span class="sourceLineNo">668</span> }<a name="line.668"></a>
+<span class="sourceLineNo">669</span><a name="line.669"></a>
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+<span class="sourceLineNo">671</span> throws IOException {<a name="line.671"></a>
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+<span class="sourceLineNo">674</span> sf.getPath() + " for region: " + getParentRegion().getShortNameToLog());<a name="line.674"></a>
+<span class="sourceLineNo">675</span> }<a name="line.675"></a>
+<span class="sourceLineNo">676</span><a name="line.676"></a>
+<span class="sourceLineNo">677</span> final byte[] splitRow = getSplitRow();<a name="line.677"></a>
+<span class="sourceLineNo">678</span> final String familyName = Bytes.toString(family);<a name="line.678"></a>
+<span class="sourceLineNo">679</span> final Path path_first =<a name="line.679"></a>
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+<span class="sourceLineNo">681</span> final Path path_second =<a name="line.681"></a>
+<span class="sourceLineNo">682</span> regionFs.splitStoreFile(this.daughter_2_RI, familyName, sf, splitRow, true, null);<a name="line.682"></a>
+<span class="sourceLineNo">683</span> if (LOG.isDebugEnabled()) {<a name="line.683"></a>
+<span class="sourceLineNo">684</span> LOG.debug("pid=" + getProcId() + " splitting complete for store file: " +<a name="line.684"></a>
+<span class="sourceLineNo">685</span> sf.getPath() + " for region: " + getParentRegion().getShortNameToLog());<a name="line.685"></a>
+<span class="sourceLineNo">686</span> }<a name="line.686"></a>
+<span class="sourceLineNo">687</span> return new Pair<Path,Path>(path_first, path_second);<a name="line.687"></a>
+<span class="sourceLineNo">688</span> }<a name="line.688"></a>
+<span class="sourceLineNo">689</span><a name="line.689"></a>
+<span class="sourceLineNo">690</span> /**<a name="line.690"></a>
+<span class="sourceLineNo">691</span> * Utility class used to do the file splitting / reference writing<a name="line.691"></a>
+<span class="sourceLineNo">692</span> * in parallel instead of sequentially.<a name="line.692"></a>
+<span class="sourceLineNo">693</s
<TRUNCATED>