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Posted to issues@impala.apache.org by "Vihang Karajgaonkar (Jira)" <ji...@apache.org> on 2020/12/23 19:30:01 UTC

[jira] [Resolved] (IMPALA-3124) Add external metadata notification mechanisms to Impala

     [ https://issues.apache.org/jira/browse/IMPALA-3124?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vihang Karajgaonkar resolved IMPALA-3124.
-----------------------------------------
    Resolution: Duplicate

> Add external metadata notification mechanisms to Impala
> -------------------------------------------------------
>
>                 Key: IMPALA-3124
>                 URL: https://issues.apache.org/jira/browse/IMPALA-3124
>             Project: IMPALA
>          Issue Type: New Feature
>          Components: Catalog
>    Affects Versions: Impala 2.2.4
>            Reporter: Dimitris Tsirogiannis
>            Priority: Major
>              Labels: catalog-server
>
> Currently, users needs to run refresh/invalidate metadata to update metadata when data (files, blocks) and/or metadata (tables, partitions) are modified externally. These operation cause many consistency and performance issues. We should add external metadata notification mechanism (e.g. inotify or HMS listeners) so that the catalog server can automatically sync metadata as they change.



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