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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-5012) replica.getGenerationStamp() may be >= recoveryId
Date Fri, 19 Jul 2013 04:30:49 GMT
Ted Yu created HDFS-5012:
----------------------------

             Summary: replica.getGenerationStamp() may be >= recoveryId
                 Key: HDFS-5012
                 URL: https://issues.apache.org/jira/browse/HDFS-5012
             Project: Hadoop HDFS
          Issue Type: Bug
    Affects Versions: 2.0.5-alpha
            Reporter: Ted Yu
         Attachments: testReplicationQueueFailover.txt

We saw the following in TestReplicationQueueFailover running against 2.0.5-alpha:
{code}
2013-07-16 17:14:33,340 ERROR [IPC Server handler 7 on 35081] security.UserGroupInformation(1481):
PriviledgedActionException as:ec2-user (auth:SIMPLE) cause:java.io.IOException: THIS IS NOT
SUPPOSED TO HAPPEN: replica.getGenerationStamp() >= recoveryId = 1041, block=blk_4297992342878601848_1041,
replica=FinalizedReplica, blk_4297992342878601848_1041, FINALIZED
  getNumBytes()     = 794
  getBytesOnDisk()  = 794
  getVisibleLength()= 794
  getVolume()       = /home/ec2-user/jenkins/workspace/HBase-0.95-Hadoop-2/hbase-server/target/test-data/f2763e32-fe49-4988-ac94-eeca82431821/dfscluster_643a635e-4e39-4aa5-974c-25e01db16ff7/dfs/data/data3/current
  getBlockFile()    = /home/ec2-user/jenkins/workspace/HBase-0.95-Hadoop-2/hbase-server/target/test-data/f2763e32-fe49-4988-ac94-eeca82431821/dfscluster_643a635e-4e39-4aa5-974c-25e01db16ff7/dfs/data/data3/current/BP-1477359609-10.197.55.49-1373994849464/current/finalized/blk_4297992342878601848
  unlinked          =false
2013-07-16 17:14:33,341 WARN  [org.apache.hadoop.hdfs.server.datanode.DataNode$2@64a1fcba]
datanode.DataNode(1894): Failed to obtain replica info for block (=BP-1477359609-10.197.55.49-1373994849464:blk_4297992342878601848_1041)
from datanode (=127.0.0.1:47006)
java.io.IOException: THIS IS NOT SUPPOSED TO HAPPEN: replica.getGenerationStamp() >= recoveryId
= 1041, block=blk_4297992342878601848_1041, replica=FinalizedReplica, blk_4297992342878601848_1041,
FINALIZED
  getNumBytes()     = 794
  getBytesOnDisk()  = 794
  getVisibleLength()= 794
  getVolume()       = /home/ec2-user/jenkins/workspace/HBase-0.95-Hadoop-2/hbase-server/target/test-data/f2763e32-fe49-4988-ac94-eeca82431821/dfscluster_643a635e-4e39-4aa5-974c-25e01db16ff7/dfs/data/data3/current
  getBlockFile()    = /home/ec2-user/jenkins/workspace/HBase-0.95-Hadoop-2/hbase-server/target/test-data/f2763e32-fe49-4988-ac94-eeca82431821/dfscluster_643a635e-4e39-4aa5-974c-25e01db16ff7/dfs/data/data3/current/BP-1477359609-10.197.55.49-1373994849464/current/finalized/blk_4297992342878601848
  unlinked          =false
{code}

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