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From "Daniel Dai (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-16579) CachedStore: improvements to partition col stats caching and cache column stats for unpartitioned table
Date Mon, 22 May 2017 19:30:04 GMT

    [ https://issues.apache.org/jira/browse/HIVE-16579?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16020049#comment-16020049
] 

Daniel Dai commented on HIVE-16579:
-----------------------------------

+1 on HIVE-16579.18.patch after test pass.

After the patch, there are 2 UT failures when CachedStore is enabled in addition to HIVE-16586:
tunable_ndv
autoColumnStats_2

Both are benign (ndv related).



> CachedStore: improvements to partition col stats caching and cache column stats for unpartitioned
table
> -------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-16579
>                 URL: https://issues.apache.org/jira/browse/HIVE-16579
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Metastore
>    Affects Versions: 3.0.0
>            Reporter: Vaibhav Gumashta
>            Assignee: Daniel Dai
>         Attachments: HIVE-16579.10.patch, HIVE-16579.11.patch, HIVE-16579.12.patch, HIVE-16579.13.patch,
HIVE-16579.14.patch, HIVE-16579.15.patch, HIVE-16579.16.patch, HIVE-16579.17.patch, HIVE-16579.18.patch,
HIVE-16579.1.patch, HIVE-16579.2.patch, HIVE-16579.3.patch, HIVE-16579.4.patch, HIVE-16579.5.patch,
HIVE-16579.6.patch, HIVE-16579.7.patch, HIVE-16579.8.patch, HIVE-16579.9.patch
>
>
> 1. Update stats cache when partitions/table is dropped.
> 2. Update cached partition col stats in the background cache update thread. 



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