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https://issues.apache.org/jira/browse/IMPALA-14598?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Quanlong Huang resolved IMPALA-14598.
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Fix Version/s: Impala 5.0.0
Resolution: Fixed
> Share historical stats between coordinators
> -------------------------------------------
>
> Key: IMPALA-14598
> URL: https://issues.apache.org/jira/browse/IMPALA-14598
> Project: IMPALA
> Issue Type: New Feature
> Reporter: Quanlong Huang
> Assignee: Quanlong Huang
> Priority: Critical
> Fix For: Impala 5.0.0
>
>
> Historical stats storing in memory can only be used by the current
> coordinator itself. Restarting the coordinator also loss the historical
> stats. We can store historical stats in a shared cache, e.g. Redis, to
> improve this.
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