[linux-lvm] LVM & high system load

[Dominique LARCHEY-WENDLING]

Dominique LARCHEY-WENDLING wrote:


> relatively poor IO perf. (my cpu is only PII 333) on LVM volumes. I have
> tested reiserfs and ext2fs and I only get about 2.5Mb/s with 100% CPU
> load,
> mostly system time.

More over, doing a CPU intensive task (like kernel comp.) (not involving
LVM, the
sources are not on a LV) cut the IO perf. of LVM fs by half.

So it seems that the LVM is eating a lot of CPU on my system and this is
what is limiting fs perf.

DL

-- 
Dominique Larchey
LORIA, Nancy, France
Tel. (Work) +33 (0) 3 83 59 20 13