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From "Thomas D'Silva (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PHOENIX-5291) Ensure that Phoenix coprocessor close all scanners.
Date Thu, 23 May 2019 17:42:00 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-5291?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16846912#comment-16846912
] 

Thomas D'Silva commented on PHOENIX-5291:
-----------------------------------------

[~apurtell] Can you please file a JIRA to add a test for checking if the reader reference
count  is 0 at the end? We have been bittern by this same issue multiple times.

> Ensure that Phoenix coprocessor close all scanners.
> ---------------------------------------------------
>
>                 Key: PHOENIX-5291
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-5291
>             Project: Phoenix
>          Issue Type: Bug
>    Affects Versions: 4.15.0, 5.1.0
>            Reporter: Lars Hofhansl
>            Assignee: Lars Hofhansl
>            Priority: Critical
>             Fix For: 4.15.0, 5.1.0
>
>         Attachments: 5291-v2.txt, 5291-v3-master.txt, 5291-v3.txt, 5291.txt
>
>
> With HBase 1.5 and later this is a disaster, as it causes the wrong reference counting
of HFiles in HBase, and those subsequently will *never* be removed until the region closes
and reopens for any reason.
> We found at least two cases... See comments below.



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