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Abhishek Singh Chouhan commented on HBASE-12747: ------------------------------------------------ Tested this out.I was still seeing OOME with heap bumped up to 2500m. 3000m seems to do the trick and i saw no errors across several runs.I can submit a patch if we want to bump up Xmx to 3000m [~apurtell] > IntegrationTestMTTR will OOME if launched with mvn verify > --------------------------------------------------------- > > Key: HBASE-12747 > URL: https://issues.apache.org/jira/browse/HBASE-12747 > Project: HBase > Issue Type: Bug > Affects Versions: 0.98.9 > Reporter: Andrew Purtell > Priority: Minor > Attachments: > org.apache.hadoop.hbase.mttr.IntegrationTestMTTR-output.txt.gz > > > IntegrationTestMTRR will OOME if launched like: > {noformat} > cd hbase-it > mvn verify -Dit.test=IntegrationTestMTTR > {noformat} > Linux environment, 7u67. > Looks like we should bump the heap on the failsafe argline in the POM. > {noformat} > 2014-12-22 11:24:07,725 ERROR > [B.DefaultRpcServer.handler=2,queue=0,port=55672] ipc.RpcServer(2067): > Unexpected throwable o > bject > java.lang.OutOfMemoryError: Java heap space > at > org.apache.hadoop.hbase.regionserver.MemStoreLAB$Chunk.init(MemStoreLAB.java:246) > at > org.apache.hadoop.hbase.regionserver.MemStoreLAB.getOrMakeChunk(MemStoreLAB.java:196) > at > org.apache.hadoop.hbase.regionserver.MemStoreLAB.allocateBytes(MemStoreLAB.java:114) > at > org.apache.hadoop.hbase.regionserver.MemStore.maybeCloneWithAllocator(MemStore.java:274) > at > org.apache.hadoop.hbase.regionserver.MemStore.add(MemStore.java:229) > at org.apache.hadoop.hbase.regionserver.HStore.add(HStore.java:576) > at > org.apache.hadoop.hbase.regionserver.HRegion.applyFamilyMapToMemstore(HRegion.java:3084) > at > org.apache.hadoop.hbase.regionserver.HRegion.doMiniBatchMutation(HRegion.java:2517) > at > org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:2284) > at > org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:2239) > at > org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:2243) > at > org.apache.hadoop.hbase.regionserver.HRegionServer.doBatchOp(HRegionServer.java:4482) > at > org.apache.hadoop.hbase.regionserver.HRegionServer.doNonAtomicRegionMutation(HRegionServer.java:3665) > at > org.apache.hadoop.hbase.regionserver.HRegionServer.multi(HRegionServer.java:3554) > {noformat} > Another minor issue: After taking the OOME, the test executor will linger > indefinitely as a zombie. -- This message was sent by Atlassian JIRA (v6.3.4#6332)