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

["Hudson (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HDFS-12460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16169840#comment-16169840 ] 

Hudson commented on HDFS-12460:
-------------------------------

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #12895 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/12895/])
HDFS-12460. Make addErasureCodingPolicy an idempotent operation. (kai.zheng: rev 0f9af246e89e4ad3c4d7ff2c1d7ec9b397494a03)
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestErasureCodingPolicies.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestRetryCacheWithHA.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestNamenodeRetryCache.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/ErasureCodingPolicyManager.java


> Make addErasureCodingPolicy an idempotent operation
> ---------------------------------------------------
>
>                 Key: HDFS-12460
>                 URL: https://issues.apache.org/jira/browse/HDFS-12460
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: erasure-coding
>            Reporter: SammiChen
>            Assignee: SammiChen
>             Fix For: 3.0.0-beta1
>
>         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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