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https://issues.apache.org/jira/browse/TS-312?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13841917#comment-13841917
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Bryan Call commented on TS-312:
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By default traffic server will try to attach the server session to the client
session and not put it into the shared pool. Only if the client is not
keep-alive or server max connections is set or max origins is set will it place
the connection to the share pool.
I think we should remove the limiting connections logic and have a option to
directly control attaching server sessions to the client. Also, the option
should be off by default and connections should go into the shared pool by
default.
{code}
// If the client is still around, attach the server session
// to so the next ka request can use it. We bind privately to the
// client to add some degree of affinity to the system. However,
// we turn off private binding when outbound connections are being
// limit since it makes it too expensive to initiate a purge of idle
// server keep-alive sessions
if (ua_session && t_state.client_info.keep_alive == HTTP_KEEPALIVE &&
t_state.http_config_param->server_max_connections <= 0 &&
t_state.txn_conf->origin_max_connections <= 0) {
ua_session->attach_server_session(server_session);
} else {
{code}
> add option to always share keep-alive connections to the origin server
> -----------------------------------------------------------------------
>
> Key: TS-312
> URL: https://issues.apache.org/jira/browse/TS-312
> Project: Traffic Server
> Issue Type: Improvement
> Components: Network
> Reporter: Miles Libbey
> Assignee: Bryan Call
> Priority: Minor
>
> (was yahoo bug 1411758)
> Original description
> by Bryan Call (bcall) 2 years ago at 2007-08-08 13:35
> Leif and I were talking about extending the meaning of
> proxy.config.http.share_server_session for reusing keep-alive connections
> from the TS server and the origin server, for separate clients attached to
> TS. You can read more about this in
> [BUG 1162233]. The configuration options should be:
> so lets add more "options" to share_server_session? E.g.
> 0 - Never share/reuse connections
> 1 - Share/reuse connections if max_connections is set (default)
> 2 - Always try to share-reuse connections
> option 1 will give the behavior we currently have and 2 will always try to
> share the keep-alive connections to the
> origin servers.
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