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https://issues.apache.org/jira/browse/OAK-1757?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13979936#comment-13979936
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Jukka Zitting commented on OAK-1757:
------------------------------------
A minor update in revision 1589789 (merged to 1.0 in 1589791) removes the
public {{DEFAULT_FAST_CLOCK_INTERVAL}} constant by making
{{FAST_CLOCK_INTERVAL}} package-private and using it directly from the test
case instead of recomputing the value based on the default.
> Oak eats too many CPU cycles when idle
> --------------------------------------
>
> Key: OAK-1757
> URL: https://issues.apache.org/jira/browse/OAK-1757
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: jcr
> Reporter: Michael Dürig
> Assignee: Michael Dürig
> Fix For: 1.0
>
>
> An idle Oak eats roughly 5% of my CPU cycles.
> This is caused by the {{Clock}} implementations introduced at
> http://svn.apache.org/viewvc?view=revision&revision=1575050. Scheduling the
> fast clock to update its time every millisecond is quite expensive.
> Substituting for the simple clock reduces idle CPU usage to below 1%.
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