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From "Sergey Shelukhin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-19310) Metastore: MetaStoreDirectSql.ensureDbInit has some slow DN calls which might need to be run only in test env
Date Wed, 09 May 2018 00:22:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-19310?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16468151#comment-16468151
] 

Sergey Shelukhin commented on HIVE-19310:
-----------------------------------------

Fixed the tests and reverted the revert. Generally if any tests fail like that they should
be fixable by adding the flag. 
I cannot run TestStats locally (not sure why, maven just doesn't run it), but I can repro
TestOldSchema issue and then verify the fix.

> Metastore: MetaStoreDirectSql.ensureDbInit has some slow DN calls which might need to
be run only in test env
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-19310
>                 URL: https://issues.apache.org/jira/browse/HIVE-19310
>             Project: Hive
>          Issue Type: Bug
>          Components: Metastore
>    Affects Versions: 3.0.0
>            Reporter: Vaibhav Gumashta
>            Assignee: Sergey Shelukhin
>            Priority: Major
>             Fix For: 3.0.0
>
>         Attachments: HIVE-19310.02.patch, HIVE-19310.03.patch, HIVE-19310.1.patch
>
>
> MetaStoreDirectSql.ensureDbInit has the following 2 calls which we have observed taking
a long time in our testing:
> {code}
> initQueries.add(pm.newQuery(MNotificationLog.class, "dbName == ''"));
> initQueries.add(pm.newQuery(MNotificationNextId.class, "nextEventId < -1"));
> {code}
> In a production environment, these tables should be initialized using schematool, however
in a test environment, these calls might be needed. 



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