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From "Sergey Shelukhin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-19820) add ACID stats support to background stats updater
Date Wed, 04 Jul 2018 01:15:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-19820?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16532123#comment-16532123
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Sergey Shelukhin commented on HIVE-19820:
-----------------------------------------

[~steveyeom2017] fyi the API change from this patch is going to be undone, it's not needed
for stats updater after switching to single write ID. So it shouldn't conflict with CachedStore
patch

> add ACID stats support to background stats updater
> --------------------------------------------------
>
>                 Key: HIVE-19820
>                 URL: https://issues.apache.org/jira/browse/HIVE-19820
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>            Priority: Major
>         Attachments: HIVE-19820.01-master-txnstats.patch, HIVE-19820.02-master-txnstats.patch,
HIVE-19820.03-master-txnstats.patch
>
>
> Follow-up from HIVE-19418.
> Right now it checks whether stats are valid in an old-fashioned way... and also gets
ACID state, and discards it without using.
> When ACID stats are implemented, ACID state needs to be used to do version-aware valid
stats checks.



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