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https://issues.apache.org/jira/browse/HBASE-6153?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13289008#comment-13289008
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stack commented on HBASE-6153:
------------------------------
It is supposed to yes. Maybe this region was doubly assigned so didn't get
included in list of regions to disable (do you see other regions from the table
being closed on this regionserver around this time?)
St.Ack
> RS aborted due to rename problem (maybe a race)
> -----------------------------------------------
>
> Key: HBASE-6153
> URL: https://issues.apache.org/jira/browse/HBASE-6153
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.92.0
> Reporter: Devaraj Das
> Assignee: Devaraj Das
>
> I had a RS crash with the following:
> 2012-05-31 18:34:42,534 DEBUG org.apache.hadoop.hbase.regionserver.Store:
> Renaming flushed file at
> hdfs://ip-10-140-14-134.ec2.internal:8020/apps/hbase/data/TestLoadAndVerify_1338488017181/8974506aa04c5a04e5cc23c11de0039d/.tmp/294a7a31f04949b8bf07682a43157b35
> to
> hdfs://ip-10-140-14-134.ec2.internal:8020/apps/hbase/data/TestLoadAndVerify_1338488017181/8974506aa04c5a04e5cc23c11de0039d/f1/294a7a31f04949b8bf07682a43157b35
> 2012-05-31 18:34:42,536 WARN org.apache.hadoop.hbase.regionserver.Store:
> Unable to rename
> hdfs://ip-10-140-14-134.ec2.internal:8020/apps/hbase/data/TestLoadAndVerify_1338488017181/8974506aa04c5a04e5cc23c11de0039d/.tmp/294a7a31f04949b8bf07682a43157b35
> to
> hdfs://ip-10-140-14-134.ec2.internal:8020/apps/hbase/data/TestLoadAndVerify_1338488017181/8974506aa04c5a04e5cc23c11de0039d/f1/294a7a31f04949b8bf07682a43157b35
> 2012-05-31 18:34:42,541 FATAL
> org.apache.hadoop.hbase.regionserver.HRegionServer: ABORTING region server
> ip-10-68-7-146.ec2.internal,60020,1338343120038: Replay of HLog required.
> Forcing server shutdown
> org.apache.hadoop.hbase.DroppedSnapshotException: region:
> TestLoadAndVerify_1338488017181,\x15\xD9\x01\x00\x00\x00\x00\x00/000087_0,1338491364569.8974506aa04c5a04e5cc23c11de0039d.
> at
> org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:1288)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:1172)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.flushcache(HRegion.java:1114)
> at
> org.apache.hadoop.hbase.regionserver.MemStoreFlusher.flushRegion(MemStoreFlusher.java:400)
> at
> org.apache.hadoop.hbase.regionserver.MemStoreFlusher.flushRegion(MemStoreFlusher.java:374)
> at
> org.apache.hadoop.hbase.regionserver.MemStoreFlusher.run(MemStoreFlusher.java:243)
> at java.lang.Thread.run(Thread.java:662)
> Caused by: java.io.FileNotFoundException: File does not exist:
> /apps/hbase/data/TestLoadAndVerify_1338488017181/8974506aa04c5a04e5cc23c11de0039d/f1/294a7a31f04949b8bf07682a43157b35
> at
> org.apache.hadoop.hdfs.DFSClient$DFSInputStream.openInfo(DFSClient.java:1901)
> at
> org.apache.hadoop.hdfs.DFSClient$DFSInputStream.<init>(DFSClient.java:1892)
> at org.apache.hadoop.hdfs.DFSClient.open(DFSClient.java:636)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem.open(DistributedFileSystem.java:154)
> at org.apache.hadoop.fs.FileSystem.open(FileSystem.java:427)
> at org.apache.hadoop.hbase.io.hfile.HFile.createReader(HFile.java:387)
> at
> org.apache.hadoop.hbase.regionserver.StoreFile$Reader.<init>(StoreFile.java:1008)
> at
> org.apache.hadoop.hbase.regionserver.StoreFile.open(StoreFile.java:470)
> at
> org.apache.hadoop.hbase.regionserver.StoreFile.createReader(StoreFile.java:548)
> at
> org.apache.hadoop.hbase.regionserver.Store.internalFlushCache(Store.java:595)
> On the NameNode logs:
> 2012-05-31 18:34:42,588 WARN org.apache.hadoop.hdfs.StateChange: DIR*
> FSDirectory.unprotectedRenameTo: failed to rename
> /apps/hbase/data/TestLoadAndVerify_1338488017181/8974506aa04c5a04e5cc23c11de0039d/.tmp/294a7a31f04949b8bf07682a43157b35
> to
> /apps/hbase/data/TestLoadAndVerify_1338488017181/8974506aa04c5a04e5cc23c11de0039d/f1/294a7a31f04949b8bf07682a43157b35
> because destination's parent does not exist
> I haven't looked deeply yet but I guess it is a race of some sort.
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