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https://issues.apache.org/jira/browse/HBASE-1073?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12658347#action_12658347
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Jim Kellerman commented on HBASE-1073:
--------------------------------------
Is it possible that the region was assigned to multiple region
servers? If so, that might explain what happened here.
> HStore out of sync with what is on filesystem
> ---------------------------------------------
>
> Key: HBASE-1073
> URL: https://issues.apache.org/jira/browse/HBASE-1073
> Project: Hadoop HBase
> Issue Type: Bug
> Reporter: stack
> Fix For: 0.19.0
>
>
> On streamy cluster, TRUNK, I saw this when we went to major compact:
> {code}
> 2008-12-17 16:21:48,725 DEBUG org.apache.hadoop.hbase.regionserver.HStore:
> Major compaction triggered on store: 657002096/content. Time since last major
> compaction: 89517 seconds
> 2008-12-17 16:21:48,842 DEBUG org.apache.hadoop.hbase.regionserver.HStore:
> Started compaction of 1 file(s) into
> /hbase/streamitems/compaction.dir/657002096/content/mapfiles/362900034457176172
> 2008-12-17 16:21:56,354 INFO org.apache.hadoop.hdfs.DFSClient:
> org.apache.hadoop.ipc.RemoteException:
> org.apache.hadoop.hdfs.server.namenode.LeaseExpiredException: No lease on
> /hbase/streamitems/compaction.dir/657002096/content/mapfiles/362900034457176172/data
> File does not exist. [Lease. Holder: DFSClient_-425857031, pendingcreates:
> 1]
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkLease(FSNamesystem.java:1331)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkLease(FSNamesystem.java:1322)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:1250)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.addBlock(NameNode.java:351)
> at sun.reflect.GeneratedMethodAccessor10.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:616)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:452)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:892)
> at org.apache.hadoop.ipc.Client.call(Client.java:696)
> at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:216)
> at $Proxy1.addBlock(Unknown Source)
> at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:616)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:82)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:59)
> at $Proxy1.addBlock(Unknown Source)
> at
> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.locateFollowingBlock(DFSClient.java:2815)
> at
> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.nextBlockOutputStream(DFSClient.java:2697)
> at
> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.access$2000(DFSClient.java:1997)
> at
> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream$DataStreamer.run(DFSClient.java:2183)
> 2008-12-17 16:21:56,354 WARN org.apache.hadoop.hdfs.DFSClient:
> NotReplicatedYetException sleeping
> /hbase/streamitems/compaction.dir/657002096/content/mapfiles/362900034457176172/data
> retries left 4
> 2008-12-17 16:21:56,757 INFO org.apache.hadoop.hdfs.DFSClient:
> org.apache.hadoop.ipc.RemoteException:
> org.apache.hadoop.hdfs.server.namenode.LeaseExpiredException: No lease on
> /hbase/streamitems/compaction.dir/657002096/content/mapfiles/362900034457176172/data
> File does not exist. [Lease. Holder: DFSClient_-425857031, pendingcreates:
> 1]
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkLease(FSNamesystem.java:1331)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkLease(FSNamesystem.java:1322)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:1250)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.addBlock(NameNode.java:351)
> at sun.reflect.GeneratedMethodAccessor10.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:616)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:452)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:892)
> at org.apache.hadoop.ipc.Client.call(Client.java:696)
> at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:216)
> at $Proxy1.addBlock(Unknown Source)
> at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:616)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:82)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:59)
> at $Proxy1.addBlock(Unknown Source)
> at
> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.locateFollowingBlock(DFSClient.java:2815)
> at
> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.nextBlockOutputStream(DFSClient.java:2697)
> at
> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.access$2000(DFSClient.java:1997)
> at
> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream$DataStreamer.run(DFSClient.java:2183)
> 2008-12-17 16:21:56,757 WARN org.apache.hadoop.hdfs.DFSClient:
> NotReplicatedYetException sleeping
> /hbase/streamitems/compaction.dir/657002096/content/mapfiles/362900034457176172/data
> retries left 3
> 2008-12-17 16:21:57,561 INFO org.apache.hadoop.hdfs.DFSClient:
> org.apache.hadoop.ipc.RemoteException:
> org.apache.hadoop.hdfs.server.namenode.LeaseExpiredException: No lease on
> /hbase/streamitems/compaction.dir/657002096/content/mapfiles/362900034457176172/data
> File does not exist. [Lease. Holder: DFSClient_-425857031, pendingcreates:
> 1]
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkLease(FSNamesystem.java:1331)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkLease(FSNamesystem.java:1322)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:1250)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.addBlock(NameNode.java:351)
> at sun.reflect.GeneratedMethodAccessor10.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:616)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:452)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:892)
> at org.apache.hadoop.ipc.Client.call(Client.java:696)
> at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:216)
> at $Proxy1.addBlock(Unknown Source)
> at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:616)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:82)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:59)
> at $Proxy1.addBlock(Unknown Source)
> at
> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.locateFollowingBlock(DFSClient.java:2815)
> at
> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.nextBlockOutputStream(DFSClient.java:2697)
> at
> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.access$2000(DFSClient.java:1997)
> at
> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream$DataStreamer.run(DFSClient.java:2183)
> 2008-12-17 16:21:57,561 WARN org.apache.hadoop.hdfs.DFSClient:
> NotReplicatedYetException sleeping
> /hbase/streamitems/compaction.dir/657002096/content/mapfiles/362900034457176172/data
> retries left 2
> 2008-12-17 16:21:59,162 INFO org.apache.hadoop.hdfs.DFSClient:
> org.apache.hadoop.ipc.RemoteException:
> org.apache.hadoop.hdfs.server.namenode.LeaseExpiredException: No lease on
> /hbase/streamitems/compaction.dir/657002096/content/mapfiles/362900034457176172/data
> File does not exist. [Lease. Holder: DFSClient_-425857031, pendingcreates:
> 1]
> ...
> {code}
> Thereafter, an attempt to open a scanner on region fails...
> {code}
> 2008-12-18 00:41:03,964 INFO org.apache.hadoop.hbase.regionserver.HRegion:
> compaction completed on region streamitems,^...@^@^...@^@^Bv�^K,1229373844647
> in 0sec
> 2008-12-18 01:08:50,274 ERROR
> org.apache.hadoop.hbase.regionserver.HRegionServer: Failed openScanner
> java.io.IOException: HStoreScanner failed construction
> at
> org.apache.hadoop.hbase.regionserver.StoreFileScanner.<init>(StoreFileScanner.java:70)
> at
> org.apache.hadoop.hbase.regionserver.HStoreScanner.<init>(HStoreScanner.java:84)
> at
> org.apache.hadoop.hbase.regionserver.HStore.getScanner(HStore.java:2120)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$HScanner.<init>(HRegion.java:1978)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:1160)
> at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1581)
> at sun.reflect.GeneratedMethodAccessor12.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:616)
> at org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:632)
> at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:892)
> Caused by: java.io.FileNotFoundException: File does not exist:
> hdfs://mb0:9000/hbase/streamitems/657002096/content/mapfiles/2509136481693763805/data
> at
> org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:394)
> at org.apache.hadoop.fs.FileSystem.getLength(FileSystem.java:679)
> at
> org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1417)
> at
> org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1412)
> at
> org.apache.hadoop.io.MapFile$Reader.createDataFileReader(MapFile.java:302)
> at
> org.apache.hadoop.hbase.io.HBaseMapFile$HBaseReader.createDataFileReader(HBaseMapFile.java:98)
> at org.apache.hadoop.io.MapFile$Reader.open(MapFile.java:284)
> at
> org.apache.hadoop.hbase.io.HBaseMapFile$HBaseReader.<init>(HBaseMapFile.java:81)
> at
> org.apache.hadoop.hbase.io.BloomFilterMapFile$Reader.<init>(BloomFilterMapFile.java:66)
> at
> org.apache.hadoop.hbase.regionserver.HStoreFile.getReader(HStoreFile.java:443)
> at
> org.apache.hadoop.hbase.regionserver.StoreFileScanner.openReaders(StoreFileScanner.java:96)
> at
> org.apache.hadoop.hbase.regionserver.StoreFileScanner.<init>(StoreFileScanner.java:67)
> ... 10 more
> ...
> {code}
> The first error seems to mess up our view of whats on the filesystem.
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