Judging by the number of posts I’ve seen around I’d guess you’ve already heard about the MongoDB 1.4 release. Anyways, I definitely had to include it here as myNoSQL covers all major NoSQL projects and follows closely all things related to the NoSQL ecosystem.
- background indexing and indexing improvements
- concurrency improvements
- the lack of autosharding (still alpha, still pushing, still…)
- the lack of improvements or alternatives for the MongoDB durability tradeoff
Speaking of performance, the 10gen people have run some benchmarks comparing MongoDB 1.2 with MongoDB 1.4. Without a couple of exceptions, the performance haven’t improved radically, so I’d speculate that there is still a lot of locking involved. The benchmark source code was made available so you can dig deeper into it.
All in all, good and exciting news for the NoSQL world!