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Posted to hdfs-dev@hadoop.apache.org by "Jing Zhao (JIRA)" <ji...@apache.org> on 2015/03/02 04:43:04 UTC

[jira] [Created] (HDFS-7864) Erasure Coding: Update safemode calculation for striped blocks

Jing Zhao created HDFS-7864:
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             Summary: Erasure Coding: Update safemode calculation for striped blocks
                 Key: HDFS-7864
                 URL: https://issues.apache.org/jira/browse/HDFS-7864
             Project: Hadoop HDFS
          Issue Type: Sub-task
            Reporter: Jing Zhao
            Assignee: Jing Zhao


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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