AW: [Samba] Performance problem when writing large files!

Josef.Fuchs at Josef.Fuchs at
Tue May 24 10:06:51 GMT 2005

> -----Ursprüngliche Nachricht-----
> Von: Fabio Muzzi [mailto:liste at]
> Gesendet: Dienstag, 24. Mai 2005 11:33
> Cc: samba at
> Betreff: Re: [Samba] Performance problem when writing large files!
> Hello Josef,
> Tuesday, May 24, 2005, 8:39:27 AM, you wrote:
> JFlc> We  encounter  following  problem. If somebody on the 
> network writes
> JFlc> big  files  from  windows  clients  to a samba shared 
> directory, the
> JFlc> performance of the server will be as much degraded, 
> that, using top,
> JFlc> on  all  CPUs  'idle  0.0%'  will  be  shown and the 
> complete system
> JFlc> freezes,  up  to minutes after stopping the copying 
> process. After a
> JFlc> while the system returns to its normal state, where 
> mostly ideltimes
> JFlc> from  50.0%  up  to 99.9% are shown. This behavior can 
> be reproduced
> JFlc> and will always happen.
> Maybe  it's  a  HDD controller / driver issue. You should try 
> and set up a
> minimal  FTP  server  on the Samba server, and try to upload 
> a big file by
> FTP.  If  it hangs, it's not samba. If it works, then maybe 
> it's samba. In
> top,  what's  the  process that uses up the most CPU time, 
> when the system
> hangs?
First thanks for your fast replay, I'll going to check with FTP tomorrow in the early morning because there are less peoples online.

You'll hear from me tomorrow.

regards Josef

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