[jira] [Created] (IMPALA-7437) Simple granular caching of partition metadata in impalad

["Todd Lipcon (JIRA)" <ji...@apache.org>]

Todd Lipcon created IMPALA-7437:
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             Summary: 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


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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