[jira] Created: (HDFS-1230) BlocksMap.blockinfo is not getting cleared immediately after deleting a block.This will be cleared only after block report comes from the datanode.Why we need to maintain the blockinfo till that time.

Wed, 16 Jun 2010 22:10:55 -0700 

BlocksMap.blockinfo is not getting cleared immediately after deleting a 
block.This will be cleared only after block report comes from the datanode.Why 
we need to maintain the blockinfo till that time.
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                 Key: HDFS-1230
                 URL: https://issues.apache.org/jira/browse/HDFS-1230
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: name-node
    Affects Versions: 0.20.1
            Reporter: Gokul


BlocksMap.blockinfo is not getting cleared immediately after deleting a 
block.This will be cleared only after block report comes from the datanode.Why 
we need to maintain the blockinfo till that time???? It increases namenode 
memory unnecessarily. 

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