Slowdown when copying large files

[Samba Bugs]

We are aware of this and I am looking into this right now. We hope to
have a solution in place for release of 1.9.18p9.

Cheers,
John H Terpstra - Samba-Team (and RPM packager).

On Sun, 26 Jul 1998, Andrew Perrin - Demography wrote:

> This question would really be better asked on the general samba newsgroup
> (comp.protocol.smb) or on the samba general mailing list -- people who
> hang out here are usually concerned specifically with Samba as an NT
> domain server.
> 
> ---------------------------------------------------------------------
> Andrew J. Perrin - aperrin at demog.berkeley.edu - NT/Unix Admin/Support
> Department of Demography    -    University of California at Berkeley
> 2232 Piedmont Avenue #2120  -    Berkeley, California, 94720-2120 USA
> http://demog.berkeley.edu/~aperrin --------------------------SEIU1199
> 
> On Fri, 24 Jul 1998, Michael Anthon wrote:
> 
> > I am currently investigating using samba on a Linux box to provide file
> > server services on our NT LAN (I'm a bit sick of NT doing dummy spits on
> > me).  I'm running RH5.1, and have just upgraded samba to
> > samba-1.9.18p8-51.3 (using the rpm from
> > http://samba.anu.edu.au/samba/ftp/Binary_Packages/redhat/RPMS/5.1/samba-
> > 1.9.18p8-51.3.i386.rpm)
> > 
> > The setup includes several NT servers, one set up as a PDC and 2 BDCs
> > and samba is confiigured to use the PDC for password authentication.
> > 
> > Everything seems to work fine, except that when I try copying a largeish
> > file (the test one I'm using is about 12M) it takes about 8-10 minutes
> > to copy (this is on a 10M LAN).  I ran top on the Linux box while I was
> > doing this and smbd seems to start off using around 8% of CPU time, but
> > at the point things seem to start slowing down, the usage jumps up to
> > 75-80%.
> > 
> > I'm wondering if this is a known problem and if it's not, perhaps a few
> > pointers on where to start looking might help me a bit.
> > 
> > TIA
> > Michael Anthon
> > 
> > TAMS Systems
> > 
>