In brief, valgrind is a framework of awesome tools that does an amazing job at detecting memory errors. It will catch silly (often unexpected) mistakes and memory leaks that you’ve made in your code. IMHO, it’s a must have tool for open source hackers...

Determining what kind of SQL query is requested at the handler level is pretty important for BlitzDB since the strategy is to obtain the most suitable lock for a given request. Unfortunately there is no intuitive way to get this information. So, I took...

As pointed out by Jay Pipes, I thought it would be nice to test and publish how BlitzLock performs against what I was originally intending on using for BlitzDB (pthread’s rwlock). So, I asked my colleagues in the operations group at Mixi to test...

Jotting down my occasional random thought. I think being a programmer is about constantly thinking. For instance, when I’m doing the dishes, I look at the sink as a buffer and the dishes as blocks of data to be copied. Even when I’m playing a video...

Yesterday I sat in front of a whiteboard for few hours with Mikio, the author of Tokyo Cabinet discussing/debating what the optimal concurrency model would be for BlitzDB. I think we came to a pretty good conclusion so I’m going to note it on this...