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Posted to issues-all@impala.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2018/08/29 07:10:00 UTC

[jira] [Created] (IMPALA-7506) Support INVALIDATE METADATA with SYNC_DDL on fetch-on-demand impalad

Todd Lipcon created IMPALA-7506:
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             Summary: Support INVALIDATE METADATA with SYNC_DDL on fetch-on-demand impalad
                 Key: IMPALA-7506
                 URL: https://issues.apache.org/jira/browse/IMPALA-7506
             Project: IMPALA
          Issue Type: Sub-task
            Reporter: Todd Lipcon


There is some complexity with how this is implemented in the original code: it depends on maintaining the minimum version of any object in the impalad's local cache. We can't determine that in an on-demand impalad, so SYNC_DDL + INVALIDATE METADATA is not supported currently on "fetch-on-demand".



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