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Posted to issues@hive.apache.org by "Daniel Dai (JIRA)" <ji...@apache.org> on 2019/04/21 07:59:00 UTC

[jira] [Commented] (HIVE-21637) Synchronized metastore cache

    [ https://issues.apache.org/jira/browse/HIVE-21637?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16822643#comment-16822643 ] 

Daniel Dai commented on HIVE-21637:
-----------------------------------

HIVE-21637-1.patch is not the full patch. It only implemented several flow:
1. create table
2. get table
3. commit transaction
4. prewarm
5. event based cache update

> Synchronized metastore cache
> ----------------------------
>
>                 Key: HIVE-21637
>                 URL: https://issues.apache.org/jira/browse/HIVE-21637
>             Project: Hive
>          Issue Type: New Feature
>            Reporter: Daniel Dai
>            Assignee: Daniel Dai
>            Priority: Major
>
> Currently, HMS has a cache implemented by CachedStore. The cache is asynchronized and in HMS HA setting, we can only get eventual consistency. In this Jira, we try to make it synchronized.



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