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Posted to hdfs-dev@hadoop.apache.org by "dragon (JIRA)" <ji...@apache.org> on 2016/03/15 09:15:36 UTC

[jira] [Created] (HDFS-10017) CLONE - BlockManager treates good blocks in a block group as corrput

dragon created HDFS-10017:
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             Summary: CLONE - BlockManager treates good blocks in a block group as corrput
                 Key: HDFS-10017
                 URL: https://issues.apache.org/jira/browse/HDFS-10017
             Project: Hadoop HDFS
          Issue Type: Sub-task
            Reporter: dragon
            Assignee: Li Bo
             Fix For: HDFS-7285


If a block in a block group is reported by Datanode to Namenode, Namenode will check if it's corrupt. Currently {{BlockManager}} uses the size of block group to compare with the size of reported block, which makes the block is treated as corrupt  block by Namenode. I think Namenode should first calculate the size of the block and then compare it with reported value



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