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Posted to issues@karaf.apache.org by "Robert Varga (JIRA)" <ji...@apache.org> on 2018/02/09 13:32:00 UTC
[jira] [Reopened] (KARAF-5604) karaf:features-generate-descriptor
takes long when faced with complex feature dependencies
[ https://issues.apache.org/jira/browse/KARAF-5604?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Robert Varga reopened KARAF-5604:
---------------------------------
Actually, based on profiling I think we can do a lot better with just two more patches.
> 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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