My samba print server joined sucessfully to ADS domain is very slow. 100%
CPU usage.
I did a strace in smbd process:
# strace -p 4519 -cfqrT
% time seconds usecs/call calls errors syscall
------ ----------- ----------- --------- --------- ----------------
76.37 359.200799 288 1249032 346 fcntl64
11.61 54.605778 236 231636 4 read
2.05 9.647553 224 43120 time
1.60 7.503416 220 34140 _llseek
1.11 5.240488 281 18658 209 select
1.03 4.864289 291 16715 20 write
0.64 3.008094 295 10188 gettimeofday
0.63 2.981000 310 9622 1059 stat64
0.59 2.790863 324 8606 close
0.52 2.432799 298 8168 geteuid32
0.51 2.419820 321 7549 14 open
0.42 1.977740 314 6291 fstat64
The fcntl64 system call is taking a lot of CPU time. What did that mean?
Somebody could help me? I'm almost getting desperate... also 10.000 users.
Here it go:
Samba Version 3.0.22
RHEL 4 Update 3 - kernel 2.6.9-34.ELsmp
smb.conf
[global]
workgroup = DOMAIN
netbios name = printserver
server string = PRINTSERVER Server
security = ads
realm = DOMAIN.BIZ
password server = 10.163.200.101, 10.163.200.102, 10.163.200.103
log file = /samba/var/smbd.log
max log size = 50
socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192
printcap name = /etc/printcap
dns proxy = No
wins server = 10.163.200.101, 10.163.200.102
remote announce = 10.163.200.101, 10.163.200.102, 10.163.200.103
remote browse sync = 10.163.200.101, 10.163.200.102, 10.163.200.103
deadtime = 5
keepalive = 30
client schannel = no
enable privileges = yes
idmap uid = 1000-100000
idmap gid = 1000-100000
winbind cache time = 43200
winbind use default domain = no
winbind nested groups = yes
winbind enum users = no
winbind enum groups = no
allow trusted domains = yes
winbind separator = +
printing = cups
cups options = raw
load printers = yes
show add printer wizard = no
printcap cache time = 0
[printers]
comment = All Printers
path = /var/spool/samba
browseable = no
guest ok = yes
writable = no
printable = yes
[print$]
path = /samba/drivers
public = yes
writable = no
browseable = yes
Thank you all in advance,
Bruno Gomes Pessanha
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