Few days ago I’ve written a post explaining how to do a direct I/O in Python. But then I thought that it might be a good idea to explain what direct I/O is. So, here we go. As surprising as it is, when you write some information to the disk, it doesn’t get there immediately. […]

Table of contents Introduction The obvious Memory leaks Hibernation The less obvious I/O cache Bottom line IntroductionBACK TO TOC This short article deals with simple question. How exactly lack of swap partition affects Linux’s performance. What would happen if you turn the swap off? The obviousBACK TO TOC Memory leaksBACK TO TOC The obvious price […]