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Posted to hdfs-issues@hadoop.apache.org by "Kai Zheng (JIRA)" <ji...@apache.org> on 2015/04/10 10:17:12 UTC

[jira] [Updated] (HDFS-8121) BlockManager treates normal blocks in a block group as corrput

     [ https://issues.apache.org/jira/browse/HDFS-8121?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kai Zheng updated HDFS-8121:
----------------------------
    Assignee: Li Bo

> BlockManager treates normal blocks in a block group as corrput
> --------------------------------------------------------------
>
>                 Key: HDFS-8121
>                 URL: https://issues.apache.org/jira/browse/HDFS-8121
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Li Bo
>            Assignee: Li Bo
>
> 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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