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Posted to issues-all@impala.apache.org by "Vihang Karajgaonkar (JIRA)" <ji...@apache.org> on 2019/03/22 19:48:00 UTC
[jira] [Commented] (IMPALA-7971) Add support to detect insert
events from Impala
[ https://issues.apache.org/jira/browse/IMPALA-7971?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16799303#comment-16799303 ]
Vihang Karajgaonkar commented on IMPALA-7971:
---------------------------------------------
Changing the status to in-progress since I believe Anurag has already started working on this.
> Add support to detect insert events from Impala
> -----------------------------------------------
>
> Key: IMPALA-7971
> URL: https://issues.apache.org/jira/browse/IMPALA-7971
> Project: IMPALA
> Issue Type: Sub-task
> Reporter: Vihang Karajgaonkar
> Assignee: Anurag Mantripragada
> Priority: Major
>
> When data is inserted into existing tables and partitions, Catalog does not issue any metastore API calls. Metastore provides a API called {{fire_listener_event}} which can be used to add a {{INSERT_EVENT}} to the metastore notification log. This event can be used by other Impala instances to invalidate or update the filemetada information when data is inserted or overrwriten on a given table or partition.
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