Recently we saw that the journal device location, unfortunately, didn't make much of a difference on ext4 metadata performance. But can the size of the journal will have an impact on metadata performance? The first in a series of articles examining the journal size and performance.
Everyone loves a shiny new kernel. The latest one, 2.6.32, was released on Dec. 3 and there are some nice updates/fixes for file systems and IO in general. But there is a very important change for the CFQ IO scheduler that you need to understand.
Looking for a mature, open source database that's not owned by Oracle? Whether you're already a fan or are looking for alternatives, now might be a good time to take a look PostgreSQL. The latest release of Postgres has a slew of built-in features that allow you to improve both performance and systems administration. Learn how you take advantage of them.