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https://issues.apache.org/jira/browse/TS-374?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13660778#comment-13660778
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ASF subversion and git services commented on TS-374:
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Commit a85c1fa9ae8be16acd853c33df085cadc2a1a8b5 in branch refs/heads/master
from [~zwoop]
[ https://git-wip-us.apache.org/repos/asf?p=trafficserver.git;h=a85c1fa ]
Added TS-374.
> Potentially eliminate lock contention on HostDB
> -----------------------------------------------
>
> Key: TS-374
> URL: https://issues.apache.org/jira/browse/TS-374
> Project: Traffic Server
> Issue Type: Improvement
> Components: Core
> Reporter: Leif Hedstrom
> Assignee: Bryan Call
> Fix For: 3.3.3
>
>
> When using as a reverse proxy, when a single (or very few) HostDB entries are
> under "pressure", the try-lock there could cause us to reschedule. John
> suggests we look at this as a first step towards reducing latencies under
> high load, by avoiding holding the lock over multiple callbacks.
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