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Posted to issues-all@impala.apache.org by "Tim Armstrong (JIRA)" <ji...@apache.org> on 2018/07/11 17:17:00 UTC

[jira] [Assigned] (IMPALA-3264) FrontEnd Plan Serialization time

     [ https://issues.apache.org/jira/browse/IMPALA-3264?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tim Armstrong reassigned IMPALA-3264:
-------------------------------------

    Assignee:     (was: Mostafa Mokhtar)

> FrontEnd Plan Serialization time
> --------------------------------
>
>                 Key: IMPALA-3264
>                 URL: https://issues.apache.org/jira/browse/IMPALA-3264
>             Project: IMPALA
>          Issue Type: Task
>          Components: Perf Investigation
>    Affects Versions: Impala 2.2.4
>            Reporter: Alan Choi
>            Priority: Minor
>
> It has been observed that the "planning timeline" in FE is only ~500ms, but the "Finished Planning" time in the query profile timeline is ~2sec. Such a big discrepancy could be due to the plan serialization time. Investigate potential issues in plan serialization.



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