Not all Datastructures are updated when a block is deleted
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Key: HADOOP-652
URL: http://issues.apache.org/jira/browse/HADOOP-652
Project: Hadoop
Issue Type: Bug
Components: dfs
Reporter: Raghu Angadi
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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