Metadata in zope / binary data on FS,
was Re: [ZODB-Dev] __del__ with Persistent objects
Dieter Maurer
dieter at handshake.de
Tue Jul 22 22:12:03 EDT 2003
Paul Winkler wrote at 2003-7-21 12:53 -0400:
> On Sat, Jul 19, 2003 at 01:48:39PM +0200, Dieter Maurer wrote:
> > When I analysed the problem I recognized that the file
> > was uploaded but it took 11 minutes. During this time
> > the processors IO wait was between 50 and 90 percent.
>
>
> > The Zope worker process started to see the request only
> > after about 9 minutes.
> >
> > Our system administrator thinks the (old and cheap) disk
> > subsystem is to blame.
>
> sorry if this is OT, but how do you measure IO wait?
> I'd like to find out if the same is true on our
> not-so-old SCSI disks.
"top" on Solaris reports IOWait time.
Dieter
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