On Mon, 20 Jul 2009 14:40:33 -0700, Joseph Jamieson <jjamieson@xxxxxxxxxxxxxxxxxxxxx> wrote: > Hello, > > I have squid 2.7.STABLE6 running on Server 2008. Its purpose is a > reverse-proxy for several web services. > > For instance, one service is OWA, another is a web-based file-sharing > utility, and another is a plain old web site. All DNS records (mail., > files., www.) point to the same IP which is NATted to Squid. Ew. For starters point DNS at the Squid public IP properly. > Each of > these services is running on a separate machine. > > It all works great. Squid determines which back-end machine/port to > request the data from based on http headers. It's squid at its finest. > > However, file transfers through it are very slow. The connection is > 20Mbit. When I go directly to the web file server via a direct NAT, I > can download at full speed. 1.5MB/s is common from this method. > However, when I go through the squid reverse-proxy, response time is great > but file transfers never go above 200K/s. Could be many things. From disk speeds, to OS swapping, or FD exhaustion (Windows is system-capped at 1K handles IIRC). > > It's almost as if connections are capped/throttled at a certain speed > within squid. I tested a direct web server on port 80 under the suspicion > that the ISP was throttling port 80 but it was fine. > > I am having a devil of a time tracking down this problem, and any > suggestions are most welcome. > > Thanks. > > Joe
