What OS are you using? How many filedescriptors is your Squid supporting? (see cache.log at Squid startup)
How many unbound TCP ports is available for applications to use? (kernel TCP/IP parameters) Is there any messages in the system syslog messages file? Regards Henrik Mike Rambo wrote: > > We are a school district that is trying to use squid/squidGuard for > filtering & caching (although the filtering is the most important in > that it is required). We have a Dell dual PIII 750 box with 1GB ram and > UW-SCSI drives running. We had a consultant come in to assist with the > initial setup. The problem is that we can't get it to handle the load. > We have 43 schools plus administration and support buildings (probably > around 5000 users typically) with traffic usually running a sustained > 4.5M to 5M, occasionally a little more. When we first set up the box it > pretty promptly fell over. Since then, due to suggestions from our > consultant and from folks on the k12os list I have since disabled > caching so we could concentrate on filtering with > > acl all src 0.0.0.0/0.0.0.0 > no_cache deny all > > and also limited traffic to only the elementary schools and one middle > school. We are trying to move away from websense both because of cost > and also the desire to get away from proprietary solutions for as many > things as we can. The cache box is inline between the last router in the > chain (a cisco 7206) and the PIX firewall. It handles routing all the > traffic fine but if I redirect too much to squid we startly loosing > throughput fast. The elementaries alone consume in excess of 90% cpu > resources on both processors. Adding one middle school increases that > right to 100% utilization and adding a high school makes throughput > start falling and sometimes makes squid fall over completely. The > biggest indication of a problem I see in the logs are warnings that all > redirect process are full and a suggestion to increase redirect > processes. I started the box at redirect_children 30 and have since > discovered that it apparently is capped at 32. > > We've been dealing with this most of this week and are getting to the > critical point - admin folks are beginning to look wistfully at websense > again in spite of the cost. > > Help! > > -- > Mike Rambo > [EMAIL PROTECTED]
