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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-9340) General DB Optimization
Date Tue, 26 Apr 2016 18:08:12 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-9340?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15258583#comment-15258583
] 

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

Github user nvazquez commented on the pull request:

    https://github.com/apache/cloudstack/pull/1466#issuecomment-214831953
  
    @rafaelweingartner @rhtyd @swill I did `push -f` tests start again, I'm getting an error
on Travis test due to duplicate field name 'size' in `schema-40to410.sql`, but I added this
changes in `schema-481to490.sql`, do you know why is it failing?
    
    `[ERROR] Failed to execute goal org.codehaus.mojo:exec-maven-plugin:1.2.1:java (create-schema-simulator)
on project cloud-developer: An exception occured while executing the Java class. null: InvocationTargetException:
Unable to upgrade the database: Unable to execute upgrade script: /home/travis/build/apache/cloudstack/developer/target/db/db/schema-40to410.sql:
Duplicate column name 'size' -> [Help 1]`


> 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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