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Posted to hdfs-dev@hadoop.apache.org by "dragon (JIRA)" <ji...@apache.org> on 2016/03/15 09:15:35 UTC

[jira] [Created] (HDFS-9991) CLONE - Erasure Coding: Update safemode calculation for striped blocks

dragon created HDFS-9991:
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             Summary: CLONE - Erasure Coding: Update safemode calculation for striped blocks
                 Key: HDFS-9991
                 URL: https://issues.apache.org/jira/browse/HDFS-9991
             Project: Hadoop HDFS
          Issue Type: Sub-task
            Reporter: dragon
            Assignee: GAO Rui
             Fix For: HDFS-7285


We need to update the safemode calculation for striped blocks. Specifically, each striped block now consists of multiple data/parity blocks stored in corresponding DataNodes. The current code's calculation is thus inconsistent: each striped block is only counted as 1 expected block, while each of its member block may increase the number of received blocks by 1.



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