Re: high load, no bottleneck

[manu%netbsd.org@localhost (Emmanuel Dreyfus)]

Edgar Fuß <ef%math.uni-bonn.de@localhost> wrote:

> EF> How fast can you write to the file system in question?
> ED> What test do you want me to perform?
> dd if=/dev/zero bs=64k

helvede# dd if=/dev/zero bs=64k of=out count=10000  
10000+0 records in
10000+0 records out
655360000 bytes transferred in 18.365 secs (35685270 bytes/sec)

Note I removed -o log

> EF> Does your NFS load include a large amount of small syncrounous (filesync)
> EF> write operations?
> ED> Yes, I run 24 concurent tar -czf as a test.
> But those shouldn't do small synchronous writes, should they?

Indeed they should not.

-- 
Emmanuel Dreyfus
http://hcpnet.free.fr/pubz
manu%netbsd.org@localhost