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https://issues.apache.org/jira/browse/IMPALA-5852?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tim Armstrong resolved IMPALA-5852.
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Resolution: Fixed
Fix Version/s: Impala 2.11.0
IMPALA-5852: improve MINIMUM_RESERVATION_UNAVAILABLE error
Augment the error message to mention that oversubscription is likely the
problem and hint at solutions.
Change-Id: I8e367e1b0cb08e11fdd0546880df23b785e3b7c9
Reviewed-on: http://gerrit.cloudera.org:8080/7861
Reviewed-by: Dan Hecht <[email protected]>
Tested-by: Impala Public Jenkins
> Improve MINIMUM_RESERVATION_UNAVAILABLE message
> -----------------------------------------------
>
> Key: IMPALA-5852
> URL: https://issues.apache.org/jira/browse/IMPALA-5852
> Project: IMPALA
> Issue Type: Improvement
> Components: Backend
> Affects Versions: Impala 2.10.0
> Reporter: Tim Armstrong
> Assignee: Tim Armstrong
> Labels: usability
> Fix For: Impala 2.11.0
>
>
> Now that queries with too-low mem_limits are rejected in admission control,
> we can refine this error message.
> Assuming that admission control is enabled (which is the default and only
> recommended configuration), the only reason that query startup should fail is
> if memory is oversubscribed on the Impala daemon.
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