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https://issues.apache.org/jira/browse/HBASE-25929?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Yi Mei resolved HBASE-25929.
----------------------------
Fix Version/s: 2.4.4
2.3.6
2.5.0
3.0.0-alpha-1
Resolution: Fixed
> RegionServer JVM crash when compaction
> --------------------------------------
>
> Key: HBASE-25929
> URL: https://issues.apache.org/jira/browse/HBASE-25929
> Project: HBase
> Issue Type: Bug
> Components: Compaction
> Affects Versions: 3.0.0-alpha-1, 2.5.0, 2.3.5, 2.4.3
> Reporter: Yi Mei
> Assignee: Yi Mei
> Priority: Critical
> Fix For: 3.0.0-alpha-1, 2.5.0, 2.3.6, 2.4.4
>
> Attachments: hs_err_pid27712.log, hs_err_pid28814.log
>
>
> In our cluster, we found region servers may be crashed in several cases.
> In hs_err_pid27712.log:
> {code:java}
> Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)
> J 2687 sun.misc.Unsafe.copyMemory(Ljava/lang/Object;JLjava/lang/Object;JJ)V
> (0 bytes) @ 0x00007f85c987eda7 [0x00007f85c987ed40+0x67]
> J 5884 C1
> org.apache.hadoop.hbase.util.UnsafeAccess.unsafeCopy(Ljava/lang/Object;JLjava/lang/Object;JJ)V
> (62 bytes) @ 0x00007f85c93fd904 [0x00007f85c93fd780+0x184]
> J 4274 C1
> org.apache.hadoop.hbase.util.UnsafeAccess.copy(Ljava/nio/ByteBuffer;I[BII)V
> (73 bytes) @ 0x00007f85c9d57a94 [0x00007f85c9d574a0+0x5f4]
> J 5211 C2
> org.apache.hadoop.hbase.util.ByteBufferUtils.copyFromBufferToArray([BLjava/nio/ByteBuffer;III)V
> (69 bytes) @ 0x00007f85ca039a34 [0x00007f85ca0399a0+0x94]
> J 5985 C1
> org.apache.hadoop.hbase.CellUtil.copyQualifierTo(Lorg/apache/hadoop/hbase/Cell;[BI)I
> (59 bytes) @ 0x00007f85c9296a34 [0x00007f85c92964c0+0x574]
> J 6011 C1 org.apache.hadoop.hbase.ByteBufferKeyValue.getQualifierArray()[B (5
> bytes) @ 0x00007f85c913e094 [0x00007f85c913d4c0+0xbd4]
> J 6004 C1
> org.apache.hadoop.hbase.CellUtil.getCellKeyAsString(Lorg/apache/hadoop/hbase/Cell;Ljava/util/function/Function;)Ljava/lang/String;
> (211 bytes) @ 0x00007f85c93737b4 [0x00007f85c93722e0+0x14d4]
> J 6000 C1
> org.apache.hadoop.hbase.CellUtil.getCellKeyAsString(Lorg/apache/hadoop/hbase/Cell;)Ljava/lang/String;
> (10 bytes) @ 0x00007f85c9854d14 [0x00007f85c9854ba0+0x174]
> j
> org.apache.hadoop.hbase.io.hfile.HFileWriterImpl.getMidpoint(Lorg/apache/hadoop/hbase/CellComparator;Lorg/apache/hadoop/hbase/Cell;Lorg/apache/hadoop/hbase/Cell;Lorg/apache/hadoop/hbase/io/hfile/HFileContext;)Lorg/apache/hadoop/hbase/Cell;+132
> j org.apache.hadoop.hbase.io.hfile.HFileWriterImpl.finishBlock()V+102
> j org.apache.hadoop.hbase.io.hfile.HFileWriterImpl.checkBlockBoundary()V+32
> j
> org.apache.hadoop.hbase.io.hfile.HFileWriterImpl.append(Lorg/apache/hadoop/hbase/Cell;)V+77
> j
> org.apache.hadoop.hbase.regionserver.StoreFileWriter.append(Lorg/apache/hadoop/hbase/Cell;)V+20
> j
> org.apache.hadoop.hbase.regionserver.compactions.Compactor.performCompaction(Lorg/apache/hadoop/hbase/regionserver/compactions/Compactor$FileDetails;Lorg/apache/hadoop/hbase/regionserver/InternalScanner;Lorg/apache/hadoop/hbase/regionserver/CellSink;JZLorg/apache/hadoop/hbase/regionserver/throttle/ThroughputController;ZI)Z+318
> j
> org.apache.hadoop.hbase.regionserver.compactions.Compactor.compact(Lorg/apache/hadoop/hbase/regionserver/compactions/CompactionRequestImpl;Lorg/apache/hadoop/hbase/regionserver/compactions/Compactor$InternalScannerFactory;Lorg/apache/hadoop/hbase/regionserver/compactions/Compactor$CellSinkFactory;Lorg/apache/hadoop/hbase/regionserver/throttle/ThroughputController;Lorg/apache/hadoop/hbase/security/User;)Ljava/util/List;+221
> j
> org.apache.hadoop.hbase.regionserver.compactions.DefaultCompactor.compact(Lorg/apache/hadoop/hbase/regionserver/compactions/CompactionRequestImpl;Lorg/apache/hadoop/hbase/regionserver/throttle/ThroughputController;Lorg/apache/hadoop/hbase/security/User;)Ljava/util/List;+12
> j
> org.apache.hadoop.hbase.regionserver.DefaultStoreEngine$DefaultCompactionContext.compact(Lorg/apache/hadoop/hbase/regionserver/throttle/ThroughputController;Lorg/apache/hadoop/hbase/security/User;)Ljava/util/List;+16
> j
> org.apache.hadoop.hbase.regionserver.HStore.compact(Lorg/apache/hadoop/hbase/regionserver/compactions/CompactionContext;Lorg/apache/hadoop/hbase/regionserver/throttle/ThroughputController;Lorg/apache/hadoop/hbase/security/User;)Ljava/util/List;+194
> {code}
> In hs_err_pid28814.log:
> {code:java}
> Stack: [0x00007f6d8e69b000,0x00007f6d8e6dc000], sp=0x00007f6d8e6d9e88, free
> space=251k
> Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native
> code)
> V [libjvm.so+0x747fa0]
> J 2989 sun.misc.Unsafe.copyMemory(Ljava/lang/Object;JLjava/lang/Object;JJ)V
> (0 bytes) @ 0x00007f751db756e1 [0x00007f751db75600+0xe1]
> j
> org.apache.hadoop.hbase.util.UnsafeAccess.unsafeCopy(Ljava/lang/Object;JLjava/lang/Object;JJ)V+36
> j
> org.apache.hadoop.hbase.util.UnsafeAccess.copy(Ljava/nio/ByteBuffer;I[BII)V+69
> j
> org.apache.hadoop.hbase.util.ByteBufferUtils.copyFromBufferToArray([BLjava/nio/ByteBuffer;III)V+39
> j
> org.apache.hadoop.hbase.CellUtil.copyQualifierTo(Lorg/apache/hadoop/hbase/Cell;[BI)I+31
> J 12082 C2 org.apache.hadoop.hbase.ByteBufferKeyValue.getQualifierArray()[B
> (5 bytes) @ 0x00007f751ef15fbc [0x00007f751ef15dc0+0x1fc]
> J 16584 C2
> org.apache.hadoop.hbase.CellUtil.getCellKeyAsString(Lorg/apache/hadoop/hbase/Cell;Ljava/util/function/Function;)Ljava/lang/String;
> (211 bytes) @ 0x00007f751fe320b8 [0x00007f751fe31b80+0x538]
> J 17007 C2
> org.apache.hadoop.hbase.regionserver.StoreFileWriter.append(Lorg/apache/hadoop/hbase/Cell;)V
> (31 bytes) @ 0x00007f751fc2c0f4 [0x00007f751fc2aac0+0x1634]
> J 17178 C2
> org.apache.hadoop.hbase.regionserver.compactions.Compactor.performCompaction(Lorg/apache/hadoop/hbase/regionserver/compactions/Compactor$FileDetails;Lorg/apache/hadoop/hbase/regionserver/InternalScanner;Lorg/apache/hadoop/hbase/regionserver/CellSink;JZLorg/apache/hadoop/hbase/regionserver/throttle/ThroughputController;ZI)Z
> (767 bytes) @ 0x00007f751f8e330c [0x00007f751f8e2960+0x9ac]
> j
> org.apache.hadoop.hbase.regionserver.compactions.Compactor.compact(Lorg/apache/hadoop/hbase/regionserver/compactions/CompactionRequestImpl;Lorg/apache/hadoop/hbase/regionserver/compactions/Compactor$InternalScannerFactory;Lorg/apache/hadoop/hbase/regionserver/compactions/Compactor$CellSinkFactory;Lorg/apache/hadoop/hbase/regionserver/throttle/ThroughputController;Lorg/apache/hadoop/hbase/security/User;)Ljava/util/List;+221
> j
> org.apache.hadoop.hbase.regionserver.compactions.DefaultCompactor.compact(Lorg/apache/hadoop/hbase/regionserver/compactions/CompactionRequestImpl;Lorg/apache/hadoop/hbase/regionserver/throttle/ThroughputController;Lorg/apache/hadoop/hbase/security/User;)Ljava/util/List;+12
> j
> org.apache.hadoop.hbase.regionserver.DefaultStoreEngine$DefaultCompactionContext.compact(Lorg/apache/hadoop/hbase/regionserver/throttle/ThroughputController;Lorg/apache/hadoop/hbase/security/User;)Ljava/util/List;+16
> j
> org.apache.hadoop.hbase.regionserver.HStore.compact(Lorg/apache/hadoop/hbase/regionserver/compactions/CompactionContext;Lorg/apache/hadoop/hbase/regionserver/throttle/ThroughputController;Lorg/apache/hadoop/hbase/security/User;)Ljava/util/List;+194
> {code}
> Sometimes, RS is not crashed but we can see the following logs:
> {code:java}
> 2021-05-27T12:53:54,465 ERROR
> [RpcServer.default.FPBQ.Fifo.handler=2,queue=0,port=40769-shortCompactions-2]
> regionserver.CompactSplit$CompactionRunner(640): Compaction failed
> Request=regionName=t1,user00000000000000000080,1622091224198.cf38ea5f2ea0d90163b53c2b2fd329d2.,
> storeName=A, fileCount=2, fileSize=2.0 M (1009.7 K, 1009.7 K), priority=1,
> time=16220912334172021-05-27T12:53:54,465 ERROR
> [RpcServer.default.FPBQ.Fifo.handler=2,queue=0,port=40769-shortCompactions-2]
> regionserver.CompactSplit$CompactionRunner(640): Compaction failed
> Request=regionName=t1,user00000000000000000080,1622091224198.cf38ea5f2ea0d90163b53c2b2fd329d2.,
> storeName=A, fileCount=2, fileSize=2.0 M (1009.7 K, 1009.7 K), priority=1,
> time=1622091233417java.lang.IllegalArgumentException: Left byte array sorts
> after right row; left=user00000000000000000080,
> right=user00000000000000000001 at
> org.apache.hadoop.hbase.io.hfile.HFileWriterImpl.getMinimumMidpointArray(HFileWriterImpl.java:445)
> ~[classes/:?] at
> org.apache.hadoop.hbase.io.hfile.HFileWriterImpl.getMidpoint(HFileWriterImpl.java:390)
> ~[classes/:?]
> {code}
> Because byte buffers of cells have been already released, but RS still need
> to use these cells.
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