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From "Duo Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-21520) TestMultiColumnScanner cost long time when using ROWCOL bloom type
Date Thu, 13 Dec 2018 10:05:01 GMT

    [ https://issues.apache.org/jira/browse/HBASE-21520?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16720001#comment-16720001
] 

Duo Zhang commented on HBASE-21520:
-----------------------------------

So what's the problem here?

> TestMultiColumnScanner cost long time when using ROWCOL bloom type
> ------------------------------------------------------------------
>
>                 Key: HBASE-21520
>                 URL: https://issues.apache.org/jira/browse/HBASE-21520
>             Project: HBase
>          Issue Type: Bug
>          Components: test
>            Reporter: Zheng Hu
>            Assignee: Zheng Hu
>            Priority: Major
>         Attachments: HBASE-21520.v1.patch, TestMultiColumnScanner.png, rowcol.txt
>
>
> The TestMultiColumnScanner is easy to be timeout,  you can see HBASE-21517.   In my localhost,
 when I set the parameters to be { Compression.Algorithm.NONE, BloomType.ROW, false },  it
took about 5 seconds.  but if I set the parameters to be  { Compression.Algorithm.NONE, BloomType.ROWCOL,
false },  it would take about 45 seconds, which means ROWCOL cost much more time than ROW.
> Need to find out what's wrong with this ut.



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