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Posted to hdfs-dev@hadoop.apache.org by "Arpit Agarwal (JIRA)" <ji...@apache.org> on 2016/03/11 01:16:41 UTC

[jira] [Created] (HDFS-9941) Do not log StandbyException on NN, other minor logging fixes

Arpit Agarwal created HDFS-9941:
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             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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