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Posted to common-dev@hadoop.apache.org by "Hairong Kuang (JIRA)" <ji...@apache.org> on 2009/01/10 01:54:01 UTC
[jira] Updated: (HADOOP-4692) Namenode in infinite loop for
replicating/deleting corrupted block
[ https://issues.apache.org/jira/browse/HADOOP-4692?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hairong Kuang updated HADOOP-4692:
----------------------------------
Attachment: truncateBlockReplication.patch
A patch is attached for review.
> Namenode in infinite loop for replicating/deleting corrupted block
> -------------------------------------------------------------------
>
> 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
> Assignee: Hairong Kuang
> Fix For: 0.20.0
>
> Attachments: namenode_inconsistent_size.patch, truncateBlockReplication.patch
>
>
> 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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