"Petr \"Qaxi\" Klíma"
2007-Mar-26 06:24 UTC
[CentOS] Performance problem with CentOs 4.4 Samba
Hello
I experience performance problem with CentOs 4.4 Samba 3.0
Reading files from Samba (1 client WinXP) is 3 times slower than writing
to samba.
What should I look at?
OS je CentOS 4.4 (RHEL 4 U4)
# smbd --version
Version 3.0.10-1.4E.11
CFG
=================================================================# cat
/etc/samba/smb.conf
[global]
workgroup = GROUP
netbios name = SERVER
server string = Samba Server
passwd program = /usr/bin/passwd %u
passwd chat = *New*Password* %n\n*Re-enter*new*password* %n\n
*Password*changed*
passwd chat debug = no
pam password change = yes
unix password sync = yes
username map = /etc/samba/smbusers
log level = 1
syslog = 0
interfaces = eth0, lo
bind interfaces only = yes
name resolve order = wins host bcast
printcap name = CUPS
show add printer wizard = No
add user script = /usr/sbin/useradd -g users -m '%u'
delete user script = /usr/sbin/userdel -r '%u'
add group script = /usr/sbin/groupadd '%g'
delete group script = /usr/sbin/groupdel '%g'
add user to group script = /usr/sbin/usermod -a -G '%g' '%u'
add machine script = /usr/sbin/useradd -s /bin/false -d /var/lib/nobody
'%u'
logon script = scripts\login.bat
logon path logon drive = H:
domain logons = Yes
preferred master = Yes
wins support = Yes
printing = CUPS
[homes]
comment = Home Directories
valid users = %S
read only = No
browseable = No
[public]
comment = Public Store
path = /data/public
only guest = yes
writable = yes
create mask = 0770
directory mask = 0770
[GRP1]
comment = Accounting Files
path = /data/ucetni
#valid users = %G
valid users = @GRP1
read only = No
create mask = 0770
directory mask = 0770
=================================================================
# rpm -qa | grep samba
samba-common-3.0.10-1.4E.11
samba-client-3.0.10-1.4E.11
samba-3.0.10-1.4E.11
--
Petr Kl?ma
e-mail: qaxi at seznam.cz
Petr "Qaxi" Kl?ma a ?crit :> Hello > > I experience performance problem with CentOs 4.4 Samba 3.0 > > Reading files from Samba (1 client WinXP) is 3 times slower than > writing to samba. > > What should I look at? > > OS je CentOS 4.4 (RHEL 4 U4)Look at your ethernet config: maybe your switch is in "forced 100Mb Full duplex" and your server in "auto" ??? check the mii-tool command (in net-tools rpm) Regards js. ps: both your swith and your serveur "should be" in auto for ethernet config.> > # smbd --version > Version 3.0.10-1.4E.11 > > CFG > =================================================================> # cat /etc/samba/smb.conf > [global] > workgroup = GROUP > netbios name = SERVER > server string = Samba Server > passwd program = /usr/bin/passwd %u > passwd chat = *New*Password* %n\n*Re-enter*new*password* %n\n > *Password*changed* > passwd chat debug = no > > pam password change = yes > unix password sync = yes > username map = /etc/samba/smbusers > > log level = 1 > syslog = 0 > interfaces = eth0, lo > bind interfaces only = yes > name resolve order = wins host bcast > printcap name = CUPS > show add printer wizard = No > add user script = /usr/sbin/useradd -g users -m '%u' > delete user script = /usr/sbin/userdel -r '%u' > add group script = /usr/sbin/groupadd '%g' > delete group script = /usr/sbin/groupdel '%g' > add user to group script = /usr/sbin/usermod -a -G '%g' '%u' > add machine script = /usr/sbin/useradd -s /bin/false -d > /var/lib/nobody '%u' > logon script = scripts\login.bat > logon path > logon drive = H: > domain logons = Yes > preferred master = Yes > wins support = Yes > printing = CUPS > > [homes] > comment = Home Directories > valid users = %S > read only = No > browseable = No > > [public] > comment = Public Store > path = /data/public > only guest = yes > writable = yes > create mask = 0770 > directory mask = 0770 > > [GRP1] > comment = Accounting Files > path = /data/ucetni > #valid users = %G > valid users = @GRP1 > read only = No > create mask = 0770 > directory mask = 0770 > > =================================================================> > > > # rpm -qa | grep samba > samba-common-3.0.10-1.4E.11 > samba-client-3.0.10-1.4E.11 > samba-3.0.10-1.4E.11 >
-----Original Message-----
From: centos-bounces at centos.org [mailto:centos-bounces at centos.org]On
Behalf Of "Petr \"Qaxi\" Kl?ma"
Sent: Monday, March 26, 2007 2:24 AM
To: centos at centos.org
Subject: [CentOS] Performance problem with CentOs 4.4 Samba
Hello
I experience performance problem with CentOs 4.4 Samba 3.0
Reading files from Samba (1 client WinXP) is 3 times slower than writing
to samba.
What should I look at?
OS je CentOS 4.4 (RHEL 4 U4)
# smbd --version
Version 3.0.10-1.4E.11
CFG
=================================================================# cat
/etc/samba/smb.conf
[global]
workgroup = GROUP
netbios name = SERVER
server string = Samba Server
passwd program = /usr/bin/passwd %u
passwd chat = *New*Password* %n\n*Re-enter*new*password* %n\n
*Password*changed*
passwd chat debug = no
pam password change = yes
unix password sync = yes
username map = /etc/samba/smbusers
log level = 1
syslog = 0
interfaces = eth0, lo
bind interfaces only = yes
name resolve order = wins host bcast
printcap name = CUPS
show add printer wizard = No
add user script = /usr/sbin/useradd -g users -m '%u'
delete user script = /usr/sbin/userdel -r '%u'
add group script = /usr/sbin/groupadd '%g'
delete group script = /usr/sbin/groupdel '%g'
add user to group script = /usr/sbin/usermod -a -G '%g' '%u'
add machine script = /usr/sbin/useradd -s /bin/false -d /var/lib/nobody
'%u'
logon script = scripts\login.bat
logon path logon drive = H:
domain logons = Yes
preferred master = Yes
wins support = Yes
printing = CUPS
[homes]
comment = Home Directories
valid users = %S
read only = No
browseable = No
[public]
comment = Public Store
path = /data/public
only guest = yes
writable = yes
create mask = 0770
directory mask = 0770
[GRP1]
comment = Accounting Files
path = /data/ucetni
#valid users = %G
valid users = @GRP1
read only = No
create mask = 0770
directory mask = 0770
=================================================================
# rpm -qa | grep samba
samba-common-3.0.10-1.4E.11
samba-client-3.0.10-1.4E.11
samba-3.0.10-1.4E.11
--
Petr Kl?ma
e-mail: qaxi at seznam.cz
=================================================================
Try adding:
socket options = TCP_NODELAY
to the [gloabal] section.
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On Mon, 26 Mar 2007 08:24:24 +0200, Petr "Qaxi" Kl?ma wrote:> Hello > > I experience performance problem with CentOs 4.4 Samba 3.0 > > Reading files from Samba (1 client WinXP) is 3 times slower than writing > to samba. > > What should I look at? > > OS je CentOS 4.4 (RHEL 4 U4) > > # smbd --version > Version 3.0.10-1.4E.11 > > CFGYou might find this performance guide useful: http://samba.org/samba/docs/man/Samba-HOWTO-Collection/speed.html Akemi
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Mon, Mar 26, 2007 at 08:24:24AM +0200, "Petr \"Qaxi\" Kl?ma" wrote:> Hello > > I experience performance problem with CentOs 4.4 Samba 3.0 > > Reading files from Samba (1 client WinXP) is 3 times slower than writing > to samba. > > What should I look at?Would that by any change be an .XLS file ? []s - -- Rodrigo Barbosa "Quid quid Latine dictum sit, altum viditur" "Be excellent to each other ..." - Bill & Ted (Wyld Stallyns) -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (GNU/Linux) iD8DBQFGB+f3pdyWzQ5b5ckRAjGiAKCNnUMdVhBdINwTIRlL5PI6umPEfwCfUxaD /heBYWi6IT5jmzMuZ8879i0=ogKO -----END PGP SIGNATURE-----
Petr "Qaxi" Kl?ma wrote:> Hello > > I experience performance problem with CentOs 4.4 Samba 3.0 > > Reading files from Samba (1 client WinXP) is 3 times slower than > writing to samba. > > What should I look at?- see if files that are read only get read faster. if so, it's a locking issue. - did you migrate from another samba server? if so, reuse its name. office documents looking for shared templates will still try looking at the old machine ;-p Lesson: never use samba shared templates.