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Posted to issues@trafficserver.apache.org by "Leif Hedstrom (JIRA)" <ji...@apache.org> on 2013/05/16 19:37:16 UTC

[jira] [Assigned] (TS-374) Potentially eliminate lock contention on HostDB

     [ https://issues.apache.org/jira/browse/TS-374?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Leif Hedstrom reassigned TS-374:
--------------------------------

    Assignee: Bryan Call
    
> 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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