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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18220) Compaction scanners need not reopen storefile scanners while trying to switch over from pread to stream
Date Thu, 15 Jun 2017 19:27:01 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16050967#comment-16050967
] 

stack commented on HBASE-18220:
-------------------------------

[~ram_krish]

nit: The new param should be in ScanInfo rather than as a new parameter on the constructor?

Otherwise +1 Can fix above on commit.



> Compaction scanners need not reopen storefile scanners while trying to switch over from
pread to stream
> -------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-18220
>                 URL: https://issues.apache.org/jira/browse/HBASE-18220
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Compaction
>    Affects Versions: 2.0.0, 3.0.0, 2.0.0-alpha-1
>            Reporter: ramkrishna.s.vasudevan
>            Assignee: ramkrishna.s.vasudevan
>             Fix For: 2.0.0, 3.0.0, 2.0.0-alpha-2
>
>         Attachments: HBASE-18220.patch
>
>
> We try switch over to stream scanner if we have read more than a certain number of bytes.
In case of compaction we already have stream based scanners only and but on calling shipped()
we try to again close and reopen the scanners which is unwanted. 
> [~Apache9]



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