Re: high load, no bottleneck

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

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

> > I have no idea wether [several journal flushes per second] is high or low.
> It should be killing you.
> So the main question is who is issuing these small sync writes.
> As already mentioned, per filesync write you get a WAPBL journal flush
> which ends up in two disc flushes (one before and one after).

I understand the rationale, but I do not see how that could be fixed. We
want fsync to do a disk sync, and client are unlikely to be fixable.

> > This is a two-disk RAID 1
> Wait, this is a Level 1 RAID? The you don't have RMW.

RMW?

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