[jira] Assigned: (TS-116) TS should have the ability to keep a minimum number of connections active for all keep alive cases

["Leif Hedstrom (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TS-116?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Leif Hedstrom reassigned TS-116:
--------------------------------

    Assignee: Leif Hedstrom

> TS should have the ability to keep a minimum number of connections active for all keep alive cases
> --------------------------------------------------------------------------------------------------
>
>                 Key: TS-116
>                 URL: https://issues.apache.org/jira/browse/TS-116
>             Project: Traffic Server
>          Issue Type: New Feature
>          Components: Core
>            Reporter: Sean Cosgrave
>            Assignee: Leif Hedstrom
>             Fix For: 2.0.0a
>
>         Attachments: ka_os_diff.txt
>
>
> Today, TS keeps a keep alive connection to the Origin Server upto the time thats specified in
> proxy.config.http.keep_alive_no_activity_timeout_out in the case that the connection hasnt been re-used for that period
> of time.
> In addition to that, it would be nice to be able to say that if a connection has been opened, keep atleast 'n' number
> of connections open to the OS regardless of the fact that the connection hasnt been used for a while.
> Obviously 'n' has to be a small number so that we dont end up holding up too many connections to the OS unnecessarily,
> since this feature is simply to allow requests that come after that period of time to still enjoy the benefits of YCPI
> reducing the impact of TCP's 3-way HandShake (especially over a long distance).
> Also, do note, that a connection close event from the Origin Server should obviously be handled correctly and the
> connection should be removed from the pool. In that case, no new connections have to be re-opened to maintain 'n'. This
> can purely be done on demand.

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