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https://issues.apache.org/jira/browse/HDFS-13772?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ayush Saxena updated HDFS-13772:
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Attachment: HDFS-13772-02.patch
> Erasure coding: Unnecessary NameNode Logs displaying for Enabling/Disabling
> Erasure coding policies which are already enabled/disabled
> --------------------------------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-13772
> URL: https://issues.apache.org/jira/browse/HDFS-13772
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: erasure-coding
> Affects Versions: 3.0.0
> Environment: 3 Node SuSE Linux cluster
> Reporter: Souryakanta Dwivedy
> Assignee: Ayush Saxena
> Priority: Trivial
> Attachments: EC_capture1.PNG, HDFS-13772-01.patch, HDFS-13772-02.patch
>
>
> Unnecessary NameNode Logs displaying for Enabling/Disabling Erasure coding
> policies which are already enabled/disabled
> - Enable any Erasure coding policy like "RS-LEGACY-6-3-1024k"
> - Check the console log display as "Erasure coding policy RS-LEGACY-6-3-1024k
> is enabled"
> - Again try to enable the same policy multiple times "hdfs ec -enablePolicy
> -policy RS-LEGACY-6-3-1024k"
> instead of throwing error message as ""policy already enabled"" it will
> display same messages as "Erasure coding policy RS-LEGACY-6-3-1024k is
> enabled"
> - Also in NameNode log policy enabled logs are displaying multiple times
> unnecessarily even though the policy is already enabled.
> like this : 2018-07-27 18:50:35,084 INFO
> org.apache.hadoop.hdfs.server.namenode.ErasureCodingPolicyManager: Disable
> the erasure coding policy RS-10-4-1024k
> 2018-07-27 18:50:35,084 INFO
> org.apache.hadoop.hdfs.server.namenode.ErasureCodingPolicyManager: Disable
> the erasure coding policy RS-10-4-1024k
> 2018-07-27 18:50:35,084 INFO
> org.apache.hadoop.hdfs.server.namenode.ErasureCodingPolicyManager: Disable
> the erasure coding policy RS-10-4-1024k
> 2018-07-27 18:50:35,084 INFO
> org.apache.hadoop.hdfs.server.namenode.ErasureCodingPolicyManager: Enable the
> erasure coding policy RS-LEGACY-6-3-1024k
> 2018-07-27 18:50:35,084 INFO
> org.apache.hadoop.hdfs.server.namenode.ErasureCodingPolicyManager: Enable the
> erasure coding policy RS-LEGACY-6-3-1024k
> 2018-07-27 18:50:35,084 INFO
> org.apache.hadoop.hdfs.server.namenode.ErasureCodingPolicyManager: Enable the
> erasure coding policy RS-LEGACY-6-3-1024k
> - While executing the Erasure coding policy disable command also same type of
> logs coming multiple times even though the policy is already
> disabled.It should throw error message as ""policy is already disabled"" for
> already disabled policy.
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