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Posted to issues-all@impala.apache.org by "Yida Wu (Jira)" <ji...@apache.org> on 2023/01/06 19:59:00 UTC

[jira] [Resolved] (IMPALA-11786) Take codegen cache memory into account for admission controller

     [ https://issues.apache.org/jira/browse/IMPALA-11786?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yida Wu resolved IMPALA-11786.
------------------------------
    Resolution: Fixed

> Take codegen cache memory into account for admission controller
> ---------------------------------------------------------------
>
>                 Key: IMPALA-11786
>                 URL: https://issues.apache.org/jira/browse/IMPALA-11786
>             Project: IMPALA
>          Issue Type: Improvement
>            Reporter: Yida Wu
>            Assignee: Yida Wu
>            Priority: Major
>
> Currently admission controller is not aware of the memory usage of the codegen cache, and the codegen cache is long-running and damon-level, this may lead to more allocation failures during heavy workload scenario when the available memory is running out. One solution is to subtract the codegen cache capacity from the available memory that admission controller can use when initialization, so that the admission controller would take account of the usage of codegen cache since the beginning.



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