Hadoop Common
  1. Hadoop Common
  2. HADOOP-4692

Namenode in infinite loop for replicating/deleting corrupted block

    Details

    • Type: Bug Bug
    • Status: Closed
    • Priority: Major Major
    • Resolution: Fixed
    • Affects Version/s: 0.18.0
    • Fix Version/s: 0.20.0
    • Component/s: None
    • Labels:
      None

      Description

      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
      ...

      1. namenode_inconsistent_size.patch
        4 kB
        Brian Bockelman
      2. truncateBlockReplication.patch
        6 kB
        Hairong Kuang
      3. mismatchBlockReplication.patch
        7 kB
        Hairong Kuang
      4. mismatchBlockReplication1.patch
        6 kB
        Hairong Kuang

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            People

            • Assignee:
              Hairong Kuang
              Reporter:
              Hairong Kuang
            • Votes:
              1 Vote for this issue
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              6 Start watching this issue

              Dates

              • Created:
                Updated:
                Resolved:

                Development