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https://issues.apache.org/jira/browse/TS-86?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12791677#action_12791677
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John Plevyak commented on TS-86:
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This issue is fixed in the latest cache patch available at
git://jplevyak.homeip.net/trafficserver.
> HTTP cache miss latency huge
> ----------------------------
>
> Key: TS-86
> URL: https://issues.apache.org/jira/browse/TS-86
> Project: Traffic Server
> Issue Type: Improvement
> Components: Core
> Reporter: John Plevyak
> Original Estimate: 168h
> Remaining Estimate: 168h
>
> Single client back to back cache misses have an average latency of 50+ msecs.
> Cache hits (in ramcache) are substantially sub msec.
> The problem seems to be with scheduling of events. My feeling is that this
> would be best addressed by reexamining the event/net subsystems
> and possibly accelerating a move to libev which portabiliy supports waking
> threads waiting on I/O for cross-thread events.
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