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Posted to hdfs-dev@hadoop.apache.org by "Erik Krogen (JIRA)" <ji...@apache.org> on 2018/08/02 16:54:00 UTC

[jira] [Created] (HDFS-13789) Reduce logging frequency of QuorumJournalManager#selectInputStreams

Erik Krogen created HDFS-13789:
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             Summary: Reduce logging frequency of QuorumJournalManager#selectInputStreams
                 Key: HDFS-13789
                 URL: https://issues.apache.org/jira/browse/HDFS-13789
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: namenode, qjm
    Affects Versions: HDFS-12943
            Reporter: Erik Krogen
            Assignee: Erik Krogen


As part of HDFS-13150, a logging statement was added to indicate whenever an edit tail is performed via the RPC mechanism. To enable low latency tailing, the tail frequency must be set very low, so this log statement gets printed much too frequently at an INFO level. We should decrease to DEBUG. Note that if there are actually edits available to tail, other log messages will get printed; this is just targeting the case when it attempts to tail and there are no new edits.



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