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From "Ayush Saxena (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-13772) Erasure coding: Unnecessary NameNode Logs displaying for Enabling/Disabling Erasure coding policies which are already enabled/disabled
Date Mon, 20 Aug 2018 05:33:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-13772?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ayush Saxena updated HDFS-13772:
--------------------------------
    Attachment: HDFS-13772-06.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, HDFS-13772-03
.patch, HDFS-13772-04.patch, HDFS-13772-05.patch, HDFS-13772-06.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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