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From "Hairong Kuang (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-4692) Namenode in infinite loop for replicating/deleting corrupted block
Date Thu, 20 Nov 2008 00:25:44 GMT
 Namenode in infinite loop for replicating/deleting corrupted block
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                 Key: HADOOP-4692
                 URL: https://issues.apache.org/jira/browse/HADOOP-4692
             Project: Hadoop Core
          Issue Type: Bug
          Components: dfs
    Affects Versions: 0.18.0
            Reporter: Hairong Kuang
             Fix For: 0.20.0


Our cluster has an under-replicated block with only one replica, assuming its block id is
B. NameNode log shows that NameNode is in an infinite loop replicating/deleting the block.

INFO org.apache.hadoop.dfs.StateChange: BLOCK* ask DN1 to replicate blk_B to datanode(s) DN2,
DN3
WARN org.apache.hadoop.fs.FSNamesystem: Inconsistent size for block blk_B reported from DN2
 current size is 134217728 reported size is 134205440
WARN org.apache.hadoop.fs.FSNamesystem: Deleting block blk_B from DN2
INFO org.apache.hadoop.dfs.StateChange: DIR* NameSystem.invalidateBlock: blk_B on DN2
INFO org.apache.hadoop.dfs.StateChange: BLOCK* NameSystem.delete: blk_B is added to invalidSet
of DN2
INFO org.apache.hadoop.dfs.StateChange: BLOCK* NameSystem.addStoredBlock: blockMap updated:
DN2 is added to blk_B size 134217728
WARN org.apache.hadoop.fs.FSNamesystem: Inconsistent size for block blk_-B reported from DN3
current size is 134217728 reported size is 134205440
WARN org.apache.hadoop.fs.FSNamesystem: Deleting block blk_B from DN3
INFO org.apache.hadoop.dfs.StateChange: DIR* NameSystem.invalidateBlock: blk_B on DN3
INFO org.apache.hadoop.dfs.StateChange: BLOCK* NameSystem.delete: blk_B is added to invalidSet
of DN3
INFO org.apache.hadoop.dfs.StateChange: BLOCK* NameSystem.addStoredBlock: blockMap updated:
DN3 is added to blk_B size 134217728
INFO org.apache.hadoop.dfs.StateChange: BLOCK* ask DN1 to replicate blk_B  to datanode(s)
DN4, DN5
...


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