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Posted to dev@aries.apache.org by "John Ross (JIRA)" <ji...@apache.org> on 2015/08/23 19:45:45 UTC

[jira] [Assigned] (ARIES-1356) getInstance method on the core Activator shows up on jvisualvm sampling during performance analysis

     [ https://issues.apache.org/jira/browse/ARIES-1356?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

John Ross reassigned ARIES-1356:
--------------------------------

    Assignee: John Ross

> getInstance method on the core Activator shows up on jvisualvm sampling during performance analysis
> ---------------------------------------------------------------------------------------------------
>
>                 Key: ARIES-1356
>                 URL: https://issues.apache.org/jira/browse/ARIES-1356
>             Project: Aries
>          Issue Type: Improvement
>          Components: Subsystem
>    Affects Versions: subsystem-core-1.2.0, subsystem-2.0.1
>         Environment: Java windows linux
>            Reporter: Bas
>            Assignee: John Ross
>            Priority: Minor
>              Labels: patch, performance
>             Fix For: subsystem-core-1.2.0
>
>         Attachments: aries-1356.patch, subsystem-activator-patch.txt
>
>
> The 'getInstance' method on the core Activator shows up on jvisualvm sampling during performance analysis.
> While doing performance analyses because of poor subsystem install performance while running 200 subsystems we encountered the 'getInstance' method in jvisualvm statistics. It is called so much that it actually cost 4 seconds on the total process of installing two subsystems when 200 subsystems have been deployed already.
> While using the patch below we didn't notice it anymore in jvisualvm sampling.



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