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From "chunhui shen (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-6479) HFileReaderV1 caching the same parent META block could cause server abot when splitting
Date Tue, 31 Jul 2012 06:23:33 GMT
chunhui shen created HBASE-6479:
-----------------------------------

             Summary: HFileReaderV1 caching the same parent META block could cause server
abot when splitting
                 Key: HBASE-6479
                 URL: https://issues.apache.org/jira/browse/HBASE-6479
             Project: HBase
          Issue Type: Bug
    Affects Versions: 0.94.0
            Reporter: chunhui shen
            Assignee: chunhui shen
         Attachments: test.patch

If the hfile's version is 1 now, when splitting, two daughters would loadBloomfilter concurrently
in the open progress. Because their META block is the same one(parent's META block),  the
following expection would be thrown when doing HFileReaderV1#getMetaBlock
{code}
java.io.IOException: Failed null-daughterOpener=af73f8c9a9b409531ac211a9a7f92eba
	at org.apache.hadoop.hbase.regionserver.SplitTransaction.openDaughters(SplitTransaction.java:367)
	at org.apache.hadoop.hbase.regionserver.SplitTransaction.execute(SplitTransaction.java:453)
	at org.apache.hadoop.hbase.regionserver.TestSplitTransaction.testWholesomeSplit(TestSplitTransaction.java:225)
	at org.apache.hadoop.hbase.regionserver.TestSplitTransaction.testWholesomeSplitWithHFileV1(TestSplitTransaction.java:203)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:30)
	at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:47)
	at org.junit.rules.RunRules.evaluate(RunRules.java:18)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:49)
	at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Caused by: java.io.IOException: java.io.IOException: java.lang.RuntimeException: Cached an
already cached block
	at org.apache.hadoop.hbase.regionserver.HRegion.initializeRegionInternals(HRegion.java:540)
	at org.apache.hadoop.hbase.regionserver.HRegion.initialize(HRegion.java:463)
	at org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:3784)
	at org.apache.hadoop.hbase.regionserver.SplitTransaction.openDaughterRegion(SplitTransaction.java:506)
	at org.apache.hadoop.hbase.regionserver.SplitTransaction$DaughterOpener.run(SplitTransaction.java:486)
	at java.lang.Thread.run(Thread.java:662)
Caused by: java.io.IOException: java.lang.RuntimeException: Cached an already cached block
	at org.apache.hadoop.hbase.regionserver.Store.loadStoreFiles(Store.java:424)
	at org.apache.hadoop.hbase.regionserver.Store.<init>(Store.java:271)
	at org.apache.hadoop.hbase.regionserver.HRegion.instantiateHStore(HRegion.java:2918)
	at org.apache.hadoop.hbase.regionserver.HRegion$2.call(HRegion.java:516)
	at org.apache.hadoop.hbase.regionserver.HRegion$2.call(HRegion.java:1)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	... 1 more
Caused by: java.lang.RuntimeException: Cached an already cached block
	at org.apache.hadoop.hbase.io.hfile.LruBlockCache.cacheBlock(LruBlockCache.java:271)
	at org.apache.hadoop.hbase.io.hfile.HFileReaderV1.getMetaBlock(HFileReaderV1.java:258)
	at org.apache.hadoop.hbase.io.hfile.HFileReaderV1.getGeneralBloomFilterMetadata(HFileReaderV1.java:689)
	at org.apache.hadoop.hbase.regionserver.StoreFile$Reader.loadBloomfilter(StoreFile.java:1564)
	at org.apache.hadoop.hbase.regionserver.StoreFile$Reader.access$1(StoreFile.java:1558)
	at org.apache.hadoop.hbase.regionserver.StoreFile.open(StoreFile.java:571)
	at org.apache.hadoop.hbase.regionserver.StoreFile.createReader(StoreFile.java:606)
	at org.apache.hadoop.hbase.regionserver.Store$1.call(Store.java:395)
	at org.apache.hadoop.hbase.regionserver.Store$1.call(Store.java:1)
	... 8 more

java.io.IOException: Failed delete of D:/work/project/0.94.0-ali-1.0/target/test-data/e8aea1db-4aa4-4a90-839a-54a79e06f6a3/org.apache.hadoop.hbase.regionserver.TestSplitTransaction/table/e33947a9369bb5aa75a9c96e8967c531
	at org.apache.hadoop.hbase.regionserver.TestSplitTransaction.teardown(TestSplitTransaction.java:90)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:36)
	at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:47)
	at org.junit.rules.RunRules.evaluate(RunRules.java:18)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:49)
	at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
{code}

We could reproduce the problem through the attached test patch,

It would happen when cluster upgrading from 0.90.x to 0.94.x or 0.92.x




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