Re: [squid-users] Squid operation issues

On 2014-02-25 03:40, Mohamad Saeed wrote:
> Hi all,
>
> I'm using squid on a 100Mbps ISP with about 5,000 users.
>
> I have an Intel Xeon processor-machine, with 8GB of RAM and 500
> of HD for the cache.
>
> Squid usually work fine and the memory is OK ,but thetraffic full down
> Frequently then it back to normal state .
>
>
> all my server resources are in best stat because i don't cache any
> thing .
>
> this is my squid.conf snapshot :
>
> logfile_rotate 0
>
> url_rewrite_program /usr/bin/squidGuard
> url_rewrite_children 192 startup=150 idle=10 concurrency=0
> redirector_bypass on

Is Squid bypassing the helper when the traffic changes (either up or
down)?

Is squidGuard coping with the level of traffic passed to it?
  ... SG log should show whether it is shifting to emergency bypass mode
internally.

What is the distribution of load on the helpers?
  do you actually need 150 to be constantly running?
  is Squid pausing to start 10 new ones at the time of slowdown?

  ... the cache manager "redirector" report shows that information.

>
> http_port 8080
> http_port 3129 tproxy
> http_port 3127 intercept
>
>
> wccp2_router x.x.x.x
> wccp2_forwarding_method 2
> wccp2_return_method 2
> wccp2_assignment_method mask
> wccp2_service dynamic 80
> wccp2_service_info 80 protocol=tcp flags=src_ip_hash priority=240
> ports=80
> wccp2_service dynamic 90
> wccp2_service_info 90 protocol=tcp flags=dst_ip_hash,ports_source
> priority=240 ports=80
> wccp2_rebuild_wait on

> wccp_version 4

http://www.squid-cache.org/Doc/config/wccp_version/

... "otherwise do not specify this parameter."

>
> cache deny all
> cache_log /dev/null
>

The log where Squid reports *critical and serious operational issues* is
... /dev/null ?

>
> Do you have any idea or any other data I can collect to try and
> track down this?

What does that log file in /dev/null have to say about issues Squid may
be encountering?
  ... oops.

Amos
Received on Mon Feb 24 2014 - 20:51:37 MST