This started off as a discussion with a colleague to compare performance of a simple load/compute/save workload implemented in different language/frameworks. The initial implementation he had showed go implementation at the bottom of the pile. So, I got curious and started to fiddle with it to improve perf. This is the result of that work.

1. Have a working installation of go, graphviz, ab, redis and go-redis client.
2. Checkout this project.
3. Go to profile directory and run the run.sh script.
4. After approx. 5 minutes, a couple of pdf files with profile data should be produced along with ab output in ab.log

That's it. Enjoy!

1. redis client seems to allocate too much memory in it's async client structure. It can be optimized by reducing the size of the request/response channels etc.
2. compress/flate code seems to do too many small memory alloc/deallocs. This causes heavy load on the GC. This can be optimized by not having to init a new zlib reader/writer for every request.