re: [Bug 318505] Re: readahead default configuration hurts the system performance

2009-01-27 Thread Scott James Remnant
On Tue, 2009-01-27 at 16:15 +, Jérôme wrote: > Why is ubuntu not using "preload" ? > preload, readahead, prefetch, sreadahead, etc. are all just variations on a theme. We currently use readahead, and don't have compelling reasons to switch to the others - since they introduce just as many pr

re: [Bug 318505] Re: readahead default configuration hurts the system performance

2009-01-27 Thread Jérôme
Hello Scott, Thanks for the explanation. Why is ubuntu not using "preload" ? FYI, I replaced "readahead" by "preload" on the below system and it made it faster: - CPU: AMD Athlon XP 1500+ - mem: 392 MB - Ubuntu version: hardy - minimum total size of the used files of the tracked processes: 4MB