Adrian Chadd's Ramblings

My FreeBSD-HEAD laptop runs very warm when running firefox, but even warmer when it's doing something simple - like say, streaming from ...

After a little more digging into the Intel performance side of things, I discovered one of the big reasons for the performance drop on this ...

There was some threads on FreeBSD/DragonflyBSD mailing lists a few years ago (2012?) which talked about some math benchmarks being much slow...

I've lately been focusing on performance counter stuff on Sandy Bridge (Xeon and non-Xeon.) Part of this has been fixing some of the cou...

Here's some 24 hour statistics from a Lusca-HEAD forward proxy install: Request rate: File descriptor count (so clients, servers and dis...

Here's the Lusca HEAD install under FreeBSD-7.2 + TPROXY patch. This is a basic configuration with minimal customisation. There's ~ ...

So whilst I wait for some of the base restructuring in LUSCA_HEAD to "bake" (ie, settle down, be stable, etc) I've been doing ...

After profiling Lusca-HEAD rather extensively on the CDN nodes, I've discovered that the largest CPU "use" on the core 2 duo c...

Oprofile is fun. So, lets find out all of the time spent in cacheboy-head, per-symbol, with accumulative time, but only showing symbols taki...

I've been (slowlyish!) unwinding some of the evil horridness that exists in the src/http.c code which handles reading data from upstream...

One of the unfortunate parts of the Squid codebase is that the HTTP request and reply handling code is messed up with the client and server ...

Those of you who have been watching may have noticed a few String tidyups going into CACHEBOY_HEAD recently (one of which caused a bug in th...

The following info is for a 10,000 concurrent connections, keep-alived, of just a fetch of an internal icon object from Squid. This is using...