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https://issues.apache.org/jira/browse/KARAF-6454?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jean-Baptiste Onofré updated KARAF-6454:
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Fix Version/s: (was: 4.2.9)
4.2.10
> FeaturesServiceImpl downloadThreads does not improve throughput
> ---------------------------------------------------------------
>
> Key: KARAF-6454
> URL: https://issues.apache.org/jira/browse/KARAF-6454
> Project: Karaf
> Issue Type: Bug
> Components: karaf
> Reporter: Fabian Lange
> Assignee: Jean-Baptiste Onofré
> Priority: Major
> Labels: features
> Fix For: 4.3.0, 4.2.10
>
> Attachments: Screenshot 2019-10-15 at 16.53.00.png
>
>
> I am looking into a slow Karaf startup and I stumbled onto this problem
> FeaturesServiceImpl does allow for parallelism thanks to the downloadThreads
> configuration
> It does respect this value and createDownloadManager() will use it to size
> the threadpool.
> However adding a large amount of features at the same time results in one by
> one downloads across these threads.
> I am currently looking for any pointers where the features install could be
> sequenced.
> Attached is a JProfiler screenshot illustrating this problem.
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