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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-9340) General DB Optimization
Date Mon, 11 Apr 2016 10:57:25 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-9340?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15234873#comment-15234873
] 

ASF GitHub Bot commented on CLOUDSTACK-9340:
--------------------------------------------

Github user rafaelweingartner commented on the pull request:

    https://github.com/apache/cloudstack/pull/1466#issuecomment-208285159
  
    Thanks @serg38,
    You answer helped a lot.
    I just do not fully understand the deletion of the indexes, for instance, you delete index
“id” and “id_2” from table “domain_router”. Does that mean that the table has
three (3) indexes?



> General DB Optimization
> -----------------------
>
>                 Key: CLOUDSTACK-9340
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9340
>             Project: CloudStack
>          Issue Type: Improvement
>      Security Level: Public(Anyone can view this level - this is the default.) 
>    Affects Versions: 4.9.0
>            Reporter: Nicolas Vazquez
>              Labels: database
>             Fix For: 4.9.0
>
>
> h2. General DB Optimization
> In some production environments there were being experimented delays in most of the jobs.
A search for DB optimization was taken and some deficiencies were discovered, we can group
them in 4 groups:
> * Incorrect PRIMARY key
> * Duplicate PRIMARY KEY
> * Missing indexes (Add indexes to avoid full table scans)
> * Some views query (Change view to improve account retrieval speed)



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