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Posted to dev@oozie.apache.org by "Virag Kothari (JIRA)" <ji...@apache.org> on 2012/05/13 06:43:21 UTC

[jira] [Updated] (OOZIE-587) Out of memory issues due to current query design

     [ https://issues.apache.org/jira/browse/OOZIE-587?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Virag Kothari updated OOZIE-587:
--------------------------------


For the patch committed in trunk with this JIRA ID (also available under the same JIRA ID in Apache ReviewBoard system), I grant license to ASF for inclusion in ASF works (as per the Apache License §5) 
                
> Out of memory issues due to current query design
> ------------------------------------------------
>
>                 Key: OOZIE-587
>                 URL: https://issues.apache.org/jira/browse/OOZIE-587
>             Project: Oozie
>          Issue Type: Bug
>            Reporter: Virag Kothari
>            Assignee: Virag Kothari
>             Fix For: 3.2.0
>
>
> There are services which run at regular intervals (StatusTransitService) and loads all the coordinator actions of a job in memory. Also Kill, Suspend and Resume commands bring all the coordinators actions of a job in memory. When the user had a couple of coordinator jobs each with around 10,000 actions, it caused an out of memory issue. 
> Solution: 
> Only required actions should be brought (through better use of sql seleciton and projection operators). "Select *" clause should be avoided unless necessary.  

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