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Posted to issues@hive.apache.org by "Zoltan Haindrich (JIRA)" <ji...@apache.org> on 2018/04/03 11:30:00 UTC
[jira] [Commented] (HIVE-19096) query result cache interferes with
explain analyze
[ https://issues.apache.org/jira/browse/HIVE-19096?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16423876#comment-16423876 ]
Zoltan Haindrich commented on HIVE-19096:
-----------------------------------------
I think for explain analyze the result cache should be probably turned off
> query result cache interferes with explain analyze
> ---------------------------------------------------
>
> Key: HIVE-19096
> URL: https://issues.apache.org/jira/browse/HIVE-19096
> Project: Hive
> Issue Type: Bug
> Reporter: Zoltan Haindrich
> Priority: Major
>
> if result cache is active; the explain analyze doesn't really return usefull informations; even for unseen queries the result is like this:
> {code}
> +----------------------------------------+
> | Explain |
> +----------------------------------------+
> | Stage-0 |
> | Fetch Operator |
> | Cached Query Result:true,limit:-1 |
> | |
> +----------------------------------------+
> {code}
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