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From "Lars Hofhansl (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TEPHRA-300) Tephra coprocessors do not close passed scanner
Date Fri, 24 May 2019 01:24:00 GMT

    [ https://issues.apache.org/jira/browse/TEPHRA-300?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16847161#comment-16847161
] 

Lars Hofhansl commented on TEPHRA-300:
--------------------------------------

The reference counting in HBase changed with 1.3, so all version after that react badly to
scanners that are not closed. Even before it wasn't good, as old scanner would prevent older
K/V to be removed during compactions. So, yeah, earlier HBase versions too.

> Tephra coprocessors do not close passed scanner
> -----------------------------------------------
>
>                 Key: TEPHRA-300
>                 URL: https://issues.apache.org/jira/browse/TEPHRA-300
>             Project: Tephra
>          Issue Type: Bug
>            Reporter: Lars Hofhansl
>            Assignee: Poorna Chandra
>            Priority: Major
>         Attachments: 300.txt
>
>
> With HBase 1.5+ this leads to incorrect reference counting on opened HFile resulting
in those to never get archived.



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