[ http://issues.apache.org/jira/browse/HADOOP-652?page=all ]
Vladimir Krokhmalyov updated HADOOP-652:
----------------------------------------
Attachment: FSDataset.java.patch
> Not all Datastructures are updated when a block is deleted
> ----------------------------------------------------------
>
> Key: HADOOP-652
> URL: http://issues.apache.org/jira/browse/HADOOP-652
> Project: Hadoop
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.8.0
> Reporter: Raghu Angadi
> Attachments: FSDataset.java.patch
>
>
> Currently when a block is deleted, DataNode just deletes the physical file
> and updates its map. We need to update more things. For e.g. numBlocks in
> FSDir is not decremented.. effect of this would be that we will create more
> subdirectories than necessary. It might not show up badly yet since numBlocks
> gets correct value when the dataNode restarts. I have to see what else needs
> to be updated.
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