Here are some interesting low latency blogs and websites I've been reading:-
- http://psy-lob-saw.blogspot.co.uk Various Low latency
- http://mechanical-sympathy.blogspot.co.uk Various Low latency
- http://mentablog.soliveirajr.com Various Low latency
- http://jeremymanson.blogspot.co.uk Java Concurrency
- http://alexanderpodelko.com Performance Management
- http://bigocheatsheet.com Algorithm Speed
- http://highscalability.com Mainly for Web Site
- http://www.low-latency.com Aggregator website includes big data and analytics
- http://www.hftreview.com Aggregator website
- http://java-performance.com A bunch of tricks here
- http://vanillajava.blogspot.co.uk Writing-and-testing-high-frequency-trading-engines-in-java
- OpenHFT