Soon, the OpenStack Object Storage software will be released. It’s available now as a Developer Preview if you would like to contribute, or perhaps if you’re just curious. The first release is expected later this month. This is a fantastic piece of software that really hits the mark for scalability, high availability, and performance.
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It occurred to me today while watching a discussion about MySQL vs. MongoDB that there needs to be more documentation about the performance of the Dev Null database, and its open source derivatives. MongoDB fanboys should be aware that it offers the following features:

100% non-blocking
Unlimited horizontal scalability
Unlimited vertical scalability
Supports Sharding
Supports Clustering
Exceeds write performance of all [...]

I wrote an experimental web server today that keeps some internal statistics. It’s based on libev for the purpose of comparing performance to an equivalent libevent server implementation. During my benchmarking, I sent 10,000 test requests to the server using the ‘ab’ utility from the Apache httpd software distribution using various concurrency levels. What I [...]