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 [...]

You might think that if you want faster internet performance, you can simply get a connection to the internet that has higher bandwidth. When you get a “faster” internet connection you may observe faster downloads. But it’s less frequently the additional bandwidth, and more frequently reduced latency that actually produces increased interactive web performance. This [...]

Those of you studying the vmstat(8) man page may be wondering what the ’st’ figure is in the CPU column. The manual refers to it as “Time stolen from a virtual machine“. More specifically:
It’s the time the hypervisor scheduled something else to run instead of something within your VM. This might be time for another [...]