Re: [squid-users] extracting icp_query_timeout info?

From: Ross J. Reedstrom <reedstrm_at_rice.edu>
Date: Mon, 15 Jun 2009 16:06:28 -0500

On Mon, Jun 15, 2009 at 12:16:27PM -0800, Chris Robertson wrote:
>
> Using "squidclient mgr:server_list" there is a "AVG RTT" value. In
> mgr:digest_stats there is "icp.query_median_svc_time".

Which are both useful values. However, they don't tell me what value the
server is using for the dynamic timeout. AFAICT, it's being kept on a
per-server basis. The mystery is that I've got a load balancing setup,
and squid seems to be favoring servers that server_list claim an AVG RTT
in the 200-500 ms range, when other, less favored servers are showing
5-20 ms. Walking the code now (which is much easier once I realized my
editor's tabstop was set for the python-default 4 spaces, not c-friendly
8. Oops) Anyone got pointers to any sort of higher-level design for any
of this? I've spent significant time poking around the wiki and FAQ, and
haven't surfaced much.

Ross

-- 
Ross Reedstrom, Ph.D.                                 reedstrm_at_rice.edu
Systems Engineer & Admin, Research Scientist        phone: 713-348-6166
The Connexions Project      http://cnx.org            fax: 713-348-3665
Rice University MS-375, Houston, TX 77005
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Received on Mon Jun 15 2009 - 21:06:35 MDT

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