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https://issues.apache.org/jira/browse/IMPALA-7437?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Lipcon resolved IMPALA-7437.
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Resolution: Fixed
Assignee: Todd Lipcon
Fix Version/s: Impala 3.1.0
> Simple granular caching of partition metadata in impalad
> --------------------------------------------------------
>
> Key: IMPALA-7437
> URL: https://issues.apache.org/jira/browse/IMPALA-7437
> Project: IMPALA
> Issue Type: Sub-task
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Priority: Major
> Fix For: Impala 3.1.0
>
>
> This JIRA tracks adding a simple cache to the catalog implementation in the
> impalad to cache table partitions and their file metadata. The initial cut
> will not cache other objects like functions, databases, table names, etc, so
> that we can avoid having to do more complex invalidation at first.
> Additionally, a simple time-based expiration will be used, to be replaced
> later with size-based eviction.
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