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From "Duo Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-17584) Expose ScanMetrics with ResultScanner rather than Scan
Date Fri, 08 Sep 2017 07:38:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17584?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16158245#comment-16158245
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Duo Zhang commented on HBASE-17584:
-----------------------------------

Added 1.4.0 to fix versions, we do not branch-1.4 at that time I believe. Thanks [~larsgeorge]
for the reminding.

> Expose ScanMetrics with ResultScanner rather than Scan
> ------------------------------------------------------
>
>                 Key: HBASE-17584
>                 URL: https://issues.apache.org/jira/browse/HBASE-17584
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Client, mapreduce, scan
>    Affects Versions: 2.0.0
>            Reporter: Duo Zhang
>            Assignee: Duo Zhang
>             Fix For: 2.0.0, 1.4.0
>
>         Attachments: HBASE-17584-branch-1.patch, HBASE-17584.patch, HBASE-17584-v1.patch
>
>
> I think this have been discussed many times... It is a bad practice to directly modify
the Scan object passed in when calling getScanner. The reason that we can not use a copy is
we need to use the Scan object to expose scan metrics. So we need to find another way to expose
the metrics.



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