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From "Lars Hofhansl (JIRA)" <>
Subject [jira] [Commented] (PHOENIX-5291) Some cases where Phoenix does close scanners
Date Tue, 21 May 2019 23:43:00 GMT


Lars Hofhansl commented on PHOENIX-5291:

[~rushabh.shah], [~ram_krish]

Can we undo the reference counting please! I know this was a big change, but we've had continuing
outages over that. Reference counting by it's nature is fickle in a big system like HBase.
In any case, I'll post a patch here to close the scanners correctly.

> Some cases where Phoenix does close scanners
> --------------------------------------------
>                 Key: PHOENIX-5291
>                 URL:
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: Lars Hofhansl
>            Priority: Major
> 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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