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Posted to oak-issues@jackrabbit.apache.org by "Marcel Reutegger (JIRA)" <ji...@apache.org> on 2016/09/05 14:00:31 UTC
[jira] [Updated] (OAK-4749) Include initial cost in stats for
observation processing
[ https://issues.apache.org/jira/browse/OAK-4749?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Marcel Reutegger updated OAK-4749:
----------------------------------
Labels: observation (was: )
> Include initial cost in stats for observation processing
> --------------------------------------------------------
>
> Key: OAK-4749
> URL: https://issues.apache.org/jira/browse/OAK-4749
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: jcr
> Reporter: Marcel Reutegger
> Assignee: Marcel Reutegger
> Priority: Minor
> Labels: observation
> Fix For: 1.6
>
>
> The jackrabbit-jcr-commons {{ListenerTracker}} collects timing for JCR event listeners. It tracks producer (oak internal) and consumer (JCR EventListener) time. The initial producer cost is currently not reflected in these stats, because {{ChangeProcessor}} in oak-jcr does an initial {{hasNext()}} on the {{EventIterator}} outside of the {{ListenerTracker}}. For some listeners this initial producer time may even account for the entire cost when the event filter rejects all changes.
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