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From "SammiChen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-12460) make addErasureCodingPolicy an idempotent operation
Date Fri, 15 Sep 2017 06:27:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-12460?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

SammiChen updated HDFS-12460:
-----------------------------
    Description: Make addErasureCodingPolicy an idempotent operation to guarantee  after HA
switch, all edit log  can be applied smoothly   (was: TestNamenodeRetryCache.testRetryCacheRebuild
unit test case failure due to edit log opcode number increase.)

> 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
>
> Make addErasureCodingPolicy an idempotent operation to guarantee  after HA switch, all
edit log  can be applied smoothly 



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