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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