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Posted to hdfs-dev@hadoop.apache.org by "Jing Zhao (JIRA)" <ji...@apache.org> on 2015/07/09 23:24:06 UTC

[jira] [Resolved] (HDFS-8484) Erasure coding: Two contiguous blocks occupy IDs belong to same striped group

     [ https://issues.apache.org/jira/browse/HDFS-8484?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jing Zhao resolved HDFS-8484.
-----------------------------
       Resolution: Fixed
     Hadoop Flags: Reviewed
    Fix Version/s: HDFS-7285

I've committed this to the feature branch. Thanks Walter for the contribution!

BTW, It will be good to have a unit test for this. Could you please add it in a new jira or just include it in another jira when you have a chance?

> Erasure coding: Two contiguous blocks occupy IDs belong to same striped group
> -----------------------------------------------------------------------------
>
>                 Key: HDFS-8484
>                 URL: https://issues.apache.org/jira/browse/HDFS-8484
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Walter Su
>            Assignee: Walter Su
>            Priority: Trivial
>             Fix For: HDFS-7285
>
>         Attachments: HDFS-8484-HDFS-7285.001.patch
>
>
> There's very very little chance:
> Assume \[-1016,-1001\] is a block group ID.
> A contiguous block has ID -1016. There is another contiguous block has ID -1009.
> When we want to get -1009 block, actually we get -1016.



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