[jira] [Resolved] (IMPALA-3547) Bound the size of Impalad catalog cache

["bharath v (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMPALA-3547?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

bharath v resolved IMPALA-3547.
-------------------------------
    Resolution: Duplicate

This is resolved via IMPALA-7127 (and its subtasks).

> Bound the size of Impalad catalog cache
> ---------------------------------------
>
>                 Key: IMPALA-3547
>                 URL: https://issues.apache.org/jira/browse/IMPALA-3547
>             Project: IMPALA
>          Issue Type: Improvement
>          Components: Catalog
>    Affects Versions: Impala 2.5.0
>            Reporter: Dimitris Tsirogiannis
>            Priority: Minor
>              Labels: catalog-server, usability
>
> Currently the catalog cache of every Impalad holds a replica of the entire catalog. In certain scenarios (e.g. large metadata), the local catalog cache is using memory that could be used more effectively elsewhere. We should consider changing the impalad catalog cache into a proper cache with a configurable size limit and an invalidation mechanism.



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