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From "Arpit Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-9941) Do not log StandbyException on NN, other minor logging fixes
Date Fri, 11 Mar 2016 00:16:41 GMT
Arpit Agarwal created HDFS-9941:
-----------------------------------

             Summary: Do not log StandbyException on NN, other minor logging fixes
                 Key: HDFS-9941
                 URL: https://issues.apache.org/jira/browse/HDFS-9941
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: namenode
    Affects Versions: 2.8.0
            Reporter: Arpit Agarwal
            Assignee: Arpit Agarwal


The NameNode can skip logging StandbyException messages. These are seen regularly in normal
operation and convey no useful information.

We no longer log the locations of newly allocated blocks in 2.8.0. The DN IDs can be useful
for debugging so let's add that back.



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