RE: 503 errors with multiple parents

> -----Original Message-----
> From: Duane Wessels [mailto:wessels@ircache.net]
> Subject: Re: 503 errors with multiple parents
>
> On Fri, 3 Mar 2000, Towers, Tim (London) wrote:
>
> > Version: 2.2.STABLE4
...
> >
> > I've got a squid with two parents, one in the UK and
> > one in the states. Unfortunately our UK parent (gatekeeper)
> > often gets overloaded and returns 503 errors.
> >
> > It seems that the us parent is never used.
> > I can't see why this is the case, and even if there's
> > some weighting that I've got wrong - shouldn't squid
> > try the other parent if the main parent returns a
> > 503 (too busy) error.
>
> yes it should.
>
> Whats your cache manager say about "server_list"
>
> % ./client mgr:server_list
>
> Duane W.

I've cut-n-pasted this from the cachemgr.cgi web page.

Cache Manager menu

----------------------------------------------------------------------------

----
Parent     : gatekeeper.uk.ml.com/80/7
Flags      : no-query login=xx:xx
Address[0] : 169.243.14.20
Status     : Up
AVG RTT    : 0 msec
LAST QUERY : 952337274 seconds ago
LAST REPLY : 952337274 seconds ago
PINGS SENT :        0
PINGS ACKED:        0   0%
FETCHES    :     9123   0%
IGNORED    :        0   0%
Histogram of PINGS ACKED:
Last failed connect() at: 03/Mar/2000:15:18:01 +0000
keep-alive ratio: 50%
Sibling    : ldnweb1.uk.ml.com/8080/3130
Flags      : proxy-only
Address[0] : 169.243.108.52
Status     : Up
AVG RTT    : 2 msec
LAST QUERY :       28 seconds ago
LAST REPLY :       28 seconds ago
PINGS SENT :     2320
PINGS ACKED:     2320 100%
FETCHES    :        7   0%
IGNORED    :     1952  84%
Histogram of PINGS ACKED:
         ICP_HIT :       61   3%
        ICP_MISS :     2259  97%
keep-alive ratio: 86%
Sibling    : ldnas2.uk.ml.com/8071/8073
Flags      : proxy-only
Address[0] : 169.243.4.113
Status     : Up
AVG RTT    : 1 msec
LAST QUERY :       28 seconds ago
LAST REPLY :       28 seconds ago
PINGS SENT :     2320
PINGS ACKED:     2320 100%
FETCHES    :        9   0%
IGNORED    :     1696  73%
Histogram of PINGS ACKED:
        ICP_MISS :     2320 100%
keep-alive ratio: 0%
Parent     : mlamrs-proxy.us.ml.com/8080/7
Flags      : no-query
Address[0] : 146.125.199.14
Status     : Up
AVG RTT    : 0 msec
LAST QUERY : 952337274 seconds ago
LAST REPLY : 952337274 seconds ago
PINGS SENT :        0
PINGS ACKED:        0   0%
FETCHES    :        2   0%
IGNORED    :        0   0%
Histogram of PINGS ACKED:
keep-alive ratio: 0%
----------------------------------------------------------------------------
----
Generated Mon, 06 Mar 2000 10:07:54 GMT, by cachemgr.cgi/2.2.STABLE4@ldnas2