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Posted to dev@felix.apache.org by "Karl Pauls (JIRA)" <ji...@apache.org> on 2017/03/26 19:59:41 UTC

[jira] [Resolved] (FELIX-5589) reduce memory usage of BundleRequirementImpl / BundleCapabilityImpl

     [ https://issues.apache.org/jira/browse/FELIX-5589?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Karl Pauls resolved FELIX-5589.
-------------------------------
    Resolution: Fixed

I commited a fix for this by making the empty ImmutableMap a singelton in r1788773.

> reduce memory usage of BundleRequirementImpl / BundleCapabilityImpl
> -------------------------------------------------------------------
>
>                 Key: FELIX-5589
>                 URL: https://issues.apache.org/jira/browse/FELIX-5589
>             Project: Felix
>          Issue Type: Improvement
>          Components: Framework
>    Affects Versions: framework-5.6.2
>            Reporter: Fabian Lange
>            Assignee: Karl Pauls
>            Priority: Minor
>             Fix For: framework-5.6.4
>
>         Attachments: Screen Shot 2017-03-13 at 19.52.55.png
>
>
> Currently BundleRequirementImpl and BundleCapabilityImpl might allocate new immutable maps when params are empty. This was pointed out by a profiling session.
> the fix is easy: use Collections.EMPTY_MAP
> (pr coming)



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