[Libtorrent-devel] performance

Jerker Nyberg jerker at Update.UU.SE
Mon May 12 20:22:01 UTC 2008


On Sun, 11 May 2008, Alexey Polyakov wrote:

> That's RHEL5 clone, right?

Yes.

> I've had same problems with disk IO on CentOS5, also RHEL5 clone. Please 
> see `iostat -kx 1` output, look at rrqm/s column, to see if it's 
> actually merging IO requests, mine was not doing it. I solved it by 
> building custom 2.6.25.2 kernel. I also switched FS type (to reiser4, 
> after trying xfs and ext3fs), but I think custom kernel did the trick.

Thanks! I don't understand the meaning of all the columns yet. With what 
should I compare the rrqm/s column? I will try a custom kernel also and 
compare file systems. What performance do you get?

--jerker


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