[linux-cifs-client] cifs write performace is bad compared to smbfs
Martin Loewer
mloewer at web.de
Sat Sep 25 16:43:24 GMT 2004
Hi ,
I am using an Debian Sarge client (Kernel 2.6.8-1-686) and an Samba 3.0.7 Server on an AIX 5.2 Server .
If I am using the smbfs kernel module I got a write data rate about 6 MByte/s.
If I mount the same share with the cifs module I got a write data rate about 700 KByte/s .
The problem seems to be on the server side because, if I monitor the fileaccess I got the following :
CIFS: SMBFS:
30472 jfs2log 64 jfs2log
74760 /dev/ftplv 2096896 /dev/ftplv
which means:
CIFS : 2 accesses to the file for one to the journal log .
SMBFS : 32764 accesses to the file for one to the journal log.
That is a big difference .
Has anynody an idea what the problem is ???
No special Options for the clients, my samba config is below.
Regards Martin
---------------------------------------------------------------------------------------------------------
security = user
#performance section
read raw = yes
write raw = yes
oplocks = True
fake oplocks = no
log level = 1 # Default is 0
socket options = TCP_NODELAY IPTOS_LOWDELAY
max xmit = 65535 # Default
dead time = 15 # Default is 0
getwd cache = yes
[upload]
comment = write only upload share
path = /home/ftp/incoming
valid users = mloewer
public = no
writable = yes
force group = nobody
# force user = nobody
directory mode = 0000
create mode = 0070
security mask = 0000
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