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From "John Ross (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (ARIES-1356) getInstance method on the core Activator shows up on jvisualvm sampling during performance analysis
Date Mon, 05 Oct 2015 13:28:27 GMT

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

John Ross updated ARIES-1356:
-----------------------------
    Fix Version/s: subsystem-2.0.4

> 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-2.0.4
>
>         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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