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Posted to issues@drill.apache.org by "Dechang Gu (JIRA)" <ji...@apache.org> on 2017/05/03 17:20:05 UTC
[jira] [Updated] (DRILL-5468) THCH Q18 regressed ~3x due to
execution plan changes
[ https://issues.apache.org/jira/browse/DRILL-5468?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Dechang Gu updated DRILL-5468:
------------------------------
Attachment: Q18_profile_gitid_adbf363
Q18_profile_gitid_841ead4
> THCH Q18 regressed ~3x due to execution plan changes
> ----------------------------------------------------
>
> Key: DRILL-5468
> URL: https://issues.apache.org/jira/browse/DRILL-5468
> Project: Apache Drill
> Issue Type: Bug
> Components: Functions - Drill
> Affects Versions: 1.11.0
> Environment: 10+1 node ucs-micro cluster RHEL6.4
> Reporter: Dechang Gu
> Assignee: Jinfeng Ni
> Fix For: 1.11.0
>
> Attachments: Q18_profile_gitid_841ead4, Q18_profile_gitid_adbf363
>
>
> In a regular regression test on Drill master (commit id 841ead4) TPCH Q18 on SF100 parquet dataset took ~81 secs, while the same query on 1.10.0 took only ~27 secs. The query time on the commit adbf363 which is right before 841ead4 is ~32 secs.
> Profiles shows the plans for the query changed quite a bit (profiles will be uploaded)
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