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Posted to hdfs-dev@hadoop.apache.org by "Weiwei Yang (JIRA)" <ji...@apache.org> on 2017/09/21 08:40:00 UTC

[jira] [Created] (HDFS-12524) Ozone: Record number of keys scanned and hinted for getRangeKVs call

Weiwei Yang created HDFS-12524:
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             Summary: Ozone: Record number of keys scanned and hinted for getRangeKVs call
                 Key: HDFS-12524
                 URL: https://issues.apache.org/jira/browse/HDFS-12524
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: logging, ozone
            Reporter: Weiwei Yang
            Assignee: Weiwei Yang
            Priority: Minor


Add debug logging to record number of keys scanned and hinted for {{getRangeKVs}} calls, this will be helpful to debug performance issues since {{getRangeKVs}} is often the place where we get the lag.



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