Souryakanta Dwivedy created HDFS-13772:
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Summary: 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 !Capture1.PNG!
Reporter: Souryakanta Dwivedy
Attachments: Capture1.PNG, Capture2.PNG, Capture3.PNG, Capture4.PNG
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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