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From Jean-Baptiste Onofré (JIRA) <j...@apache.org>
Subject [jira] [Assigned] (KARAF-5604) karaf:features-generate-descriptor takes long when faced with complex feature dependencies
Date Fri, 09 Feb 2018 05:54:00 GMT

     [ https://issues.apache.org/jira/browse/KARAF-5604?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jean-Baptiste Onofré reassigned KARAF-5604:
-------------------------------------------

    Assignee: Jean-Baptiste Onofré

> karaf:features-generate-descriptor takes long when faced with complex feature dependencies
> ------------------------------------------------------------------------------------------
>
>                 Key: KARAF-5604
>                 URL: https://issues.apache.org/jira/browse/KARAF-5604
>             Project: Karaf
>          Issue Type: Improvement
>          Components: karaf-tooling
>    Affects Versions: 4.1.3
>            Reporter: Robert Varga
>            Assignee: Jean-Baptiste Onofré
>            Priority: Major
>             Fix For: 4.2.0, 4.1.5
>
>
> Opendaylight's distribution-check jobs generate features which have complex feature dependencies,
which exposes scaling issues in karaf:features-generate-descriptor.
> [https://github.com/opendaylight/integration-distribution/tree/master/features/singles/odl-integration-all]
takes ~270 seconds to generate:
> real 4m28.834s
> user 3m40.287s
> sys 1m23.629s
> [https://github.com/opendaylight/integration-distribution/tree/master/features/repos/index]
takes ~638 seconds to generate:
> real 10m38.859s
> user 7m55.004s
> sys 3m17.269s
> Running profiling shows that this time is dominated by short-lived FileInputStreams being
generated at a rate of 7K-8Kps – which are coming from both feature reading and from artifact
resolution.



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