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Posted to issues@hive.apache.org by "Eugene Koifman (JIRA)" <ji...@apache.org> on 2018/08/13 16:48:01 UTC
[jira] [Assigned] (HIVE-20234) Add an option to disable stats
computation from Compactor
[ https://issues.apache.org/jira/browse/HIVE-20234?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Eugene Koifman reassigned HIVE-20234:
-------------------------------------
Assignee: Vaibhav Gumashta
> Add an option to disable stats computation from Compactor
> ---------------------------------------------------------
>
> Key: HIVE-20234
> URL: https://issues.apache.org/jira/browse/HIVE-20234
> Project: Hive
> Issue Type: Improvement
> Components: Transactions
> Affects Versions: 1.0.0
> Reporter: Eugene Koifman
> Assignee: Vaibhav Gumashta
> Priority: Major
>
> Currently \{{Woker.StatsUpdater}} will run \{{analyze table ... compute statistics for columns ...}} at the end of each Major compaction to update stats on columns that already have stats.
>
> It would be useful to add a config option that allows better control over this. I could have 3 values: don't update col stats, update existing col stats, update all col stats.
> Should this have ability to update table level stats? Is that needed given HIVE-19532?
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