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Posted to hdfs-issues@hadoop.apache.org by "Kai Zheng (JIRA)" <ji...@apache.org> on 2017/09/15 11:22:00 UTC

[jira] [Commented] (HDFS-12460) make addErasureCodingPolicy an idempotent operation

    [ https://issues.apache.org/jira/browse/HDFS-12460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16167729#comment-16167729 ] 

Kai Zheng commented on HDFS-12460:
----------------------------------

Thanks Sammi for this. The patch LGTM. +1 pending on Jenkins.

> make addErasureCodingPolicy an idempotent operation
> ---------------------------------------------------
>
>                 Key: HDFS-12460
>                 URL: https://issues.apache.org/jira/browse/HDFS-12460
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: caching
>            Reporter: SammiChen
>            Assignee: SammiChen
>         Attachments: HDFS-12460.001.patch
>
>
> Make addErasureCodingPolicy an idempotent operation to guarantee  after HA switch, addErasureCodingPolicy edit log  can be applied smoothly.



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