Re: [SQU] Seg faults on Redhat-6.2/Alpha

Hi.

I'm using 2.3-STABLE3 on Athlon / 512MB RAM, 23GB swap and have the same
problem. This proxy used by 500-700 clients and we have from 600 to 1100
requests per minute. Cache dies very often for (once or twice a month)
with the same message.

I use thi to configure:
--prefix=/usr/local/squid --enable-icmp --disable-wccp --enable-snmp
--enable-heap-replacement --enable-cache-digests --enable-forw-via-db

More details about configuration are available upon request.

Thanx for your time.

> Andrew Gatward wrote:
>
> Hopefully someone can help with this... so here goes...
>
> I have two AlphaServer DS10s here with the following spec:
>
> Alpha EV6 466MHz cpu
> 1Gb RAM
> 1 x 9Gb system disk
> 5 x 9Gb cache disks
> 3Com 3c905-FX 100-base-FX NIC
>
> These systems are running RedHat 6.2 / Alpha.
>
> Squid was compiled using the following options:
>
> --prefix=/usr/local/squid --enable-dlmalloc --enable-async-io
> --enable-icmp --disable-wccp --enable-kill-parent-hack --enable-snmp
> --enable-arp-acl --disable-http-violations --enable-underscores
>
> Squid fires up fine... runs for a little while, with the process size
> growing continually, then eventually I get the following in the log
> file, and the process restarts:
>
> 2000/08/25 08:57:54| NETDB state saved; 0 entries, 4 msec
> FATAL: Received Segment Violation...dying.
> 2000/08/25 09:32:47| storeDirWriteCleanLogs: Starting...
> 2000/08/25 09:32:47| WARNING: Closing open FD 7
> 2000/08/25 09:32:47| 65536 entries written so far.
> 2000/08/25 09:32:47| Finished. Wrote 103630 entries.
> 2000/08/25 09:32:47| Took 0.1 seconds (834044.3 entries/sec).
> 2000/08/25 09:32:50| Starting Squid Cache version 2.3.STABLE4 for
> alpha-unknown-
> linux-gnu...
>
> The cache does receive quite a number of hits, as shown from the
> cachemgr output:
>
> Connection information for squid:
> Number of clients accessing cache: 83
> Number of HTTP requests received: 7058
> Number of ICP messages received: 8670
> Number of ICP messages sent: 8878
> Number of queued ICP replies: 0
> Request failure ratio: 0.00%
> HTTP requests per minute: 663.8
> ICP messages per minute: 1650.3
> Select loop called: 101536 times, 6.283 ms avg
>
> Before I recompiled squid with the --enable-dlmalloc option, the
> process would stay running, but the process size would continually
> grow, eventually exceeding the amout of physical RAM in the machine.
> Last time it did this, the process size hit 1256MB before grinding to
> a halt.
>
> Does anyone have any ideas as to what I can do with this? I can send
> copies of squid.conf if necessary.
>
> Kind regards, and thanks for an otherwise great product!
>
> Andy Gatward
> Web Solutions
> Nortel Networks Optical Components Ltd.
> Phone: +44 (0)1803 667134
> ESN: 795-7134
>
> Company No: 2515751
> Registered Office: Maidenhead Office Park, Westacott Way, Maidenhead,
> Berkshire SL6 3QH

Travis

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