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From "Weiwei Yang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-12524) Ozone: Record number of keys scanned and hinted for getRangeKVs call
Date Tue, 26 Sep 2017 11:35:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-12524?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Weiwei Yang updated HDFS-12524:
-------------------------------
       Resolution: Fixed
     Hadoop Flags: Reviewed
    Fix Version/s: HDFS-7240
           Status: Resolved  (was: Patch Available)

> 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
>              Labels: logging, ozoneMerge, performance
>             Fix For: HDFS-7240
>
>         Attachments: HDFS-12524-HDFS-7240.001.patch
>
>
> 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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