peerSelect problem

From: Serge Krashakov <[email protected]>
Date: Fri, 14 Aug 1998 13:33:52 +0400 (MSD)

Hi,

I have squid-1.2.beta23 with all 4 patches compiled with --enable-icmp
using 3 parent caches as closest-only.
It seems that it doesn't consider RTT to neighbors when selecting
the closest path.

I have:

Parent : squid1.osi.ru/3128/3130
Flags : closest-only
Address[0] : 195.178.193.139
Status : Up
AVG RTT : 19 msec

Parent : sd.cache.nlanr.net/3128/3130
Flags : closest-only
Address[0] : 192.172.226.145
Status : Up
AVG RTT : 1231 msec

Parent : lj.cache.nlanr.net/3128/3130
Flags : closest-only
Address[0] : 192.172.226.146
Status : Up
AVG RTT : 1269 msec

and for example:

152.2.254.0 10/ 10 1616.4 14.0 sunsite.oit.unc.edu www.sunsite.unc.edu sunsite.unc.edu
    lj.cache.nlanr.net 71.6 7.0
    sd.cache.nlanr.net 71.7 7.0
    squid1.osi.ru 240.2 19.0

but squid choose lj.cache.nlanr.net as CLOSEST_PARENT rather than squid1.osi.ru:

1998/08/14 13:09:31| peerSelect: ftp://sunsite.unc.edu/pub/Linux/apps/graphics/
1998/08/14 13:09:31| peerSelectFoo: 'GET sunsite.unc.edu'
1998/08/14 13:09:31| peerCheckAlwaysDirectDone: 0
1998/08/14 13:09:31| peerSelectFoo: 'GET sunsite.unc.edu'
1998/08/14 13:09:31| peerSelectFoo: direct = DIRECT_MAYBE
1998/08/14 13:09:31| peerSelect: CLOSEST_PARENT/lj.cache.nlanr.net
1998/08/14 13:09:31| peerSelectCallback: ftp://sunsite.unc.edu/pub/Linux/apps/graphics/

Is it possible to improve selection policy?

Serge.
Received on Fri Aug 14 1998 - 02:36:16 MDT

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