Scalable Nonblocking Data Structures

InfoQ has an interesting writeup of Dr. Cliff Click's work on developing highly concurrent data structures for use on the Azul hardware (which is in production with 768 cores), supporting 700+ hardware threads in Java.

jemalloc - New malloc implementation used in Firefox 3

Data Encodings - IETF specification for base 64, base 32, and base 16 encoding schemes.

All Things Distributed

Werner Vogels, CTO of Amazon.com blogs here http://www.allthingsdistributed.com/

High Scalability is a pretty good site covering real life issues

Memcached - How does it work

Hash Functions

1. Mhash
   
2. Tom White's Blog: Consistent Hashing
3. Consistent Hashing for MemCache
4. Fowler/Vo/Noll (FNV)
5. STL string hash
6. MD5
7. SHA1