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https://issues.apache.org/jira/browse/FELIX-3623?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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J.W. Janssen updated FELIX-3623:
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Attachment: lock-granularity.patch
Attached a patch that will fix the lock contention and improves the performance
by flushing multiple entries to all interested listeners.
> LogService lock contention under heavy load
> -------------------------------------------
>
> Key: FELIX-3623
> URL: https://issues.apache.org/jira/browse/FELIX-3623
> Project: Felix
> Issue Type: Bug
> Components: Log Service
> Affects Versions: log-1.0.1
> Reporter: J.W. Janssen
> Attachments: lock-granularity.patch
>
>
> Under heavy load, the LogService has severe lock contention in its
> LogListenerThread due to too coarse locks on m_entriesToDeliver and
> m_listeners. Also due to the 'single delivery' strategy, the performance of
> this service isn't that well under heavy load, it would be better to flush
> all available entries to all listeners in a single shot...
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