Slow write performance with Win 98 and Samba (fwd)

Christopher R. Hertel crh at
Wed Jun 20 20:41:26 GMT 2001

> "Christopher R. Hertel" wrote:
> > 
> > Scott Prather wrote:
> > > >  There are two reasons
> > > >  this is slow. The small packet size is all that Windows 98 can send before
> > > >  having to wait for a reply. The flush command causes the remote file
> > > >  system to write the bytes to disk before the flush reply can be sent back.
> > 
> > We work around the latter with "strict sync" and "sync always", but it's
> > just a work-around.
> Just to clarify what Chris is saying here, by default we *don't* force
> a disk write before the reply is sent. This isn't the source
> of the slowness.

Right.  The source of the slowness is the rabbit-poop writes.  What I need
to figure out is what Samba is doing to cause Windows Explorer to go into
rabbit-poop mode.  Somehow we are triggering this problem.

Chris -)-----

Christopher R. Hertel -)-----                   University of Minnesota
crh at              Networking and Telecommunications Services

    Ideals are like stars; you will not succeed in touching them
    with your choose them as your guides, and following
    them you will reach your destiny.  --Carl Schultz

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