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From "Carlo Curino (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6853) Add MySql Scripts for FederationStateStore
Date Mon, 31 Jul 2017 21:08:01 GMT

    [ https://issues.apache.org/jira/browse/YARN-6853?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16107959#comment-16107959
] 

Carlo Curino commented on YARN-6853:
------------------------------------

[~giovanni.fumarola], thanks for the contribution. The patch looks fine, as it is rather similar
to the SQLServer one, we reviewed before. A couple of small asks:
# In documentations, should we provide examples for both mysql and sql-server?
# The field {{params}} of table {{policies}} is set to be varbinary(512), I think it would
be best to be longer, as the payload might be large in some cases (lots of subclusters, etc..).
# In documentations, call-out that the users are supposed to set their own proper passwords
in {{FederationStateStoreUser.sql}}, or use proper user/pass setup. The script is comfy to
include for testing, but we need to call out prominently that proper user/pass setup is required.


> Add MySql Scripts for FederationStateStore
> ------------------------------------------
>
>                 Key: YARN-6853
>                 URL: https://issues.apache.org/jira/browse/YARN-6853
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Giovanni Matteo Fumarola
>            Assignee: Giovanni Matteo Fumarola
>         Attachments: YARN-6853.v1.patch, YARN-6853-YARN-2915.v1.patch, YARN-6853-YARN-2915.v2.patch,
YARN-6853-YARN-2915.v3.patch, YARN-6853-YARN-2915.v4.patch
>
>
> In YARN-3663 we added the SQL scripts for SQLServer. We want to add the MySql scripts
to be able to run Federation with a MySQL servers which will be less performant but convenient.



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