[Samba] very slow transfer with new version

AStA Technologiereferat asta-technologie at fh-osnabrueck.de
Wed Sep 12 08:00:45 GMT 2007

I sat up a new serrver containig the newest Samba version available
through Debian-aptitude.
    Core 2 Duo E6600 2,4GHz
    2Gbyte RAM, 400GB HDD
    Debain 2.6.18-4-686 #1 SMP Mon Mar 26 17:17:36 UTC 2007 i686
    Samba: 3.0.24-6etch4
    Win2k PC with min 1.5GHz and 512MByte RAM, *no* NetBIOS isntalled
    share is used as disk "Z:"

Since using the new version of Samba filetransfer is very slow. It came
up wehn unsing a program for generating thumbs of pictures. With the old
version (some very early of 2.x) the same folder took about one minute,
now each picture process (~5MByte) takes one minute!
On accident i found out, the behavior returnes tor nearly reagular speed
when a backgrond-transfer (~1,2GByte file) runs.
Problem is not the used program, same with large pdfs in Acrobat-Reader
and other types.

What I tried is installing NetBIOS on one PC, did not help. Looked up
Firewall-settings, Clients have full access to all ports on the server
(clients and server in same subnet).

Thx for comments.
Mcihael Przysucha.

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