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https://issues.apache.org/jira/browse/OAK-1757?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13978036#comment-13978036
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Michael Dürig commented on OAK-1757:
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It reduces CPU load. But it makes the statistics (even more) inaccurate. See my
previous comment re. the 1ms resolution. IMO we could as well switch the
respective statistics off and rethink our approach here.
> 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
>
> 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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