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Re: [Samba] samba process use 100% cpu




Here is the smb.conf:

https://pastebin.com/LUf4MUF0


Thank you very much.


2017. 05. 09. 18:15 keltezéssel, Dante F. B. Colò via samba írta:
Did you install it from binary packages ? compiled from source ? Post your smb.conf here.


----- Original Message -----
From: "samba" <samba@xxxxxxxxxxxxxxx>
To: "samba" <samba@xxxxxxxxxxxxxxx>
Sent: Tuesday, May 9, 2017 1:01:10 PM
Subject: Re: [Samba] samba process use 100% cpu

Anybody?


2017. 05. 02. 10:48 keltezéssel, Papp Bence via samba írta:
Hi!


I need some help.

We use samba4 as AD, and now when clients connect to server, samba
process stuck at 100% cpu.

samba Version: 4.3.4 Release: 13.el6


top:

  3777 root      20   0  131m  46m  28m R 99.7  0.3 219:20.53
/usr/local/samba4//sbin/samba -D
24541 csertam   20   0 49260  11m 9048 S 25.1  0.1   0:01.56 smbd -D
  7080 squid     20   0  926m 908m 6428 S  9.9  6.2  11:43.50 (squid-1)
-f /etc/squid/squid.conf
25503 squid     20   0 40236  36m 1040 S  3.3  0.2   0:00.10
(squidGuard) -c /etc/squid/squidguard.conf
25507 squid     20   0 39840  35m 1036 S  3.3  0.2   0:00.10
(squidGuard) -c /etc/squid/squidguard.conf
25506 squid     20   0 39836  35m 1036 S  3.0  0.2   0:00.09
(squidGuard) -c /etc/squid/squidguard.conf
25508 squid     20   0 39840  35m 1036 S  3.0  0.2   0:00.09
(squidGuard) -c /etc/squid/squidguard.conf
25511 squid     20   0 39836  35m 1036 S  2.6  0.2   0:00.08
(squidGuard) -c /etc/squid/squidguard.conf
  7123 root      20   0  117m  26m 4004 S  1.7  0.2  11:48.54
/usr/bin/python /usr/sbin/presenced -d
24798 3000039   20   0  143m  23m 6204 S  1.0  0.2   0:01.03
/usr/local/samba4/sbin/smbd -D --option=server role check:inhibit=yes
--foreground
25408 root      20   0  9760 1704 1072 R  1.0  0.0   0:00.23 top -c
  2565 root      20   0  143m  23m 6232 S  0.7  0.2   0:02.60
/usr/local/samba4/sbin/smbd -D --option=server role check:inhibit=yes
--foreground
  6094 root      20   0  143m  23m 6236 S  0.7  0.2   0:02.97
/usr/local/samba4/sbin/smbd -D --option=server role check:inhibit=yes
--foreground
  6432 qpidd     20   0  151m  14m 4560 S  0.7  0.1   1:55.56
/usr/sbin/qpidd --data-dir /var/lib/qpidd --daemon
  8295 root      20   0  143m  23m 6232 S  0.7  0.2   0:02.48
/usr/local/samba4/sbin/smbd -D --option=server role check:inhibit=yes
--foreground
16526 root      20   0  143m  23m 6204 S  0.7  0.2   0:03.46
/usr/local/samba4/sbin/smbd -D --option=server role check:inhibit=yes
--foreground
26586 root      20   0  143m  23m 6232 S  0.7  0.2   0:02.60
/usr/local/samba4/sbin/smbd -D --option=server role check:inhibit=yes
--foreground
  1294 root      20   0     0    0    0 S  0.3  0.0   0:31.24
[flush-253:4]
  1987 root      20   0     0    0    0 S  0.3  0.0   6:12.93
[kondemand/0]
  2089 ldap      20   0  569m 125m  13m S  0.3  0.9  11:49.78
/usr/sbin/ns-slapd -D /etc/dirsrv/slapd-sulixerver -i
/var/run/dirsrv/slapd-sulixerver.pid -w
/var/run/dirsrv/slapd-sulixerver.startpid
  3764 mysql     20   0  221m  77m 6240 S  0.3  0.5  90:00.06
/usr/libexec/mysqld --basedir=/usr --datadir=/var/lib/mysql
--user=mysql --log-error=/var/log/mysqld.log
--pid-file=/var/run/mysqld/mysqld.pid --s
  3784 root      20   0  130m  19m 1732 S  0.3  0.1   1:31.75
/usr/local/samba4//sbin/samba -D
  6561 sogo      20   0 56784  10m 4172 S  0.3  0.1   4:05.72
/usr/sbin/sogod -WOWorkersCount 100 -WOPidFile /var/run/sogo/sogo.pid
-WOLogFile /var/log/sogo/sogo.log
  8047 root      20   0  143m  23m 6236 S  0.3  0.2   0:03.00
/usr/local/samba4/sbin/smbd -D --option=server role check:inhibit=yes
--foreground
  8562 3000025   20   0  143m  23m 6272 S  0.3  0.2   0:02.48
/usr/local/samba4/sbin/smbd -D --option=server role check:inhibit=yes
--foreground
  9650 root      20   0  143m  23m 6228 S  0.3  0.2   0:02.39
/usr/local/samba4/sbin/smbd -D --option=server role check:inhibit=yes
--foreground
11370 root      20   0  143m  23m 6232 S  0.3  0.2   0:02.90
/usr/local/samba4/sbin/smbd -D --option=server role check:inhibit=yes
--foreground
18826 root      20   0  143m  23m 6236 S  0.3  0.2   0:02.91
/usr/local/samba4/sbin/smbd -D --option=server role check:inhibit=yes
--foreground
24465 3000040   20   0  143m  23m 6228 S  0.3  0.2   0:02.99
/usr/local/samba4/sbin/smbd -D --option=server role check:inhibit=yes
--foreground
24668 root      20   0  143m  23m 6240 S  0.3  0.2   0:02.46
/usr/local/samba4/sbin/smbd -D --option=server role check:inhibit=yes
--foreground
26180 3000058   20   0  143m  23m 6248 S  0.3  0.2   0:02.54
/usr/local/samba4/sbin/smbd -D --option=server role check:inhibit=yes
--foreground
26997 3000146   20   0  143m  23m 6252 S  0.3  0.2   0:02.83
/usr/local/samba4/sbin/smbd -D --option=server role check:inhibit=yes
--foreground



I tried strace, and got this:


fcntl64(13, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=9400,
len=1}, 0xbff3ce24) = 0
writev(50, [{"0\0", 2},
{"\5\0\2\3\20\0\0\0000\0\0\0\2\0\0\0\30\0\0\0\0\0\0\0\0\0\0\0\336\210/g"...,
48}], 2) = 50
epoll_wait(11, {{EPOLLIN, {u32=2962349656, u64=2962349656}}}, 1,
30000) = 1
readv(49, [{"\204\0", 2}], 1)           = 2
readv(49, [{"\5\0\0\3\20\0\0\0\204\0\0\0\3\0\0\0", 16},
{"l\0\0\0\0\0D\0\0\0\0\0\37\215\27\1;
\345N\273\216}\4\227\311\214|\1\0\0\0"..., 116}], 2) = 132
gettimeofday({1493714662, 571764}, NULL) = 0
time(NULL)                              = 1493714662
time(NULL)                              = 1493714662
time(NULL)                              = 1493714662
time(NULL)                              = 1493714662
time(NULL)                              = 1493714662
time(NULL)                              = 1493714662
fcntl64(14, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=3140,
len=1}, 0xbff3c1b4) = 0
fcntl64(14, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=3140,
len=1}, 0xbff3c234) = 0
fcntl64(14, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=3140,
len=1}, 0xbff3c0e4) = 0
fcntl64(14, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=3140,
len=1}, 0xbff3c164) = 0
time(NULL)                              = 1493714662
fcntl64(13, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=26440,
len=1}, 0xbff3cdf4) = 0
fcntl64(13, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=26440,
len=1}, 0xbff3ce74) = 0
fcntl64(13, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=26440,
len=1}, 0xbff3cd24) = 0
fcntl64(13, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=26440,
len=1}, 0xbff3cda4) = 0
time(NULL)                              = 1493714662
time(NULL)                              = 1493714662
time(NULL)                              = 1493714662
time(NULL)                              = 1493714662
time(NULL)                              = 1493714662
time(NULL)                              = 1493714662
fcntl64(14, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=3140,
len=1}, 0xbff3c1e4) = 0
fcntl64(14, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=3140,
len=1}, 0xbff3c264) = 0
fcntl64(14, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=3140,
len=1}, 0xbff3c114) = 0
fcntl64(14, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=3140,
len=1}, 0xbff3c194) = 0
time(NULL)                              = 1493714662
fcntl64(13, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=26440,
len=1}, 0xbff3ce24) = 0
fcntl64(13, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=26440,
len=1}, 0xbff3cea4) = 0
fcntl64(13, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=20284,
len=1}, 0xbff3cb64) = 0
fcntl64(13, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=20284,
len=1}, 0xbff3cbe4) = 0
fcntl64(13, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=21732,
len=1}, 0xbff3cd54) = 0
fcntl64(13, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=21732,
len=1}, 0xbff3cdd4) = 0
writev(49, [{"\264\0", 2},
{"\5\0\2\3\20\0\0\0\264\0\0\0\3\0\0\0\234\0\0\0\0\0\0\0\4\0\2\0\1\0\0\0"...,
180}], 2) = 182
epoll_wait(11, {{EPOLLIN, {u32=2957714824, u64=2957714824}}}, 1,
30000) = 1
readv(54, [{",\0", 2}], 1)              = 2
readv(54, [{"\5\0\0\3\20\0\0\0,\0\0\0\4\0\0\0", 16},
{"\24\0\0\0\0\0\0\0\0\0\0\0#\207e\341\321\272BL\276W[\373\3712\326\227",
28}], 2) = 44
gettimeofday({1493714662, 574431}, NULL) = 0
writev(54, [{"0\0", 2},
{"\5\0\2\3\20\0\0\0000\0\0\0\4\0\0\0\30\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
48}], 2) = 50
epoll_wait(11, {{EPOLLIN|EPOLLHUP, {u32=2966417304, u64=2966417304}}},
1, 30000) = 1
readv(52, [{"\0\0", 2}], 1)             = 0
epoll_ctl(11, EPOLL_CTL_DEL, 52, {0, {u32=0, u64=0}}) = 0
close(52)                               = 0
fcntl64(23, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=184,
len=1}, 0xbff3d0e4) = 0
fcntl64(23, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=184,
len=1}, 0xbff3d134) = 0
epoll_wait(11, {{EPOLLIN, {u32=2962320928, u64=2962320928}}}, 1,
30000) = 1
readv(62, [{",\0", 2}], 1)              = 2
readv(62, [{"\5\0\0\3\20\0\0\0,\0\0\0\245\2\0\0", 16},
{"\24\0\0\0\0\0'\0\2\0\0\0~\241\362`\312\327.G\2559\24\310\6\340\226\240",
28}], 2) = 44
gettimeofday({1493714662, 575413}, NULL) = 0
time(NULL)                              = 1493714662
time(NULL)                              = 1493714662
time(NULL)                              = 1493714662
time(NULL)                              = 1493714662
time(NULL)                              = 1493714662
time(NULL)                              = 1493714662
fcntl64(14, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=3140,
len=1}, 0xbff3c0c4) = 0
fcntl64(14, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=3140,
len=1}, 0xbff3c144) = 0
fcntl64(14, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=3140,
len=1}, 0xbff3bff4) = 0
fcntl64(14, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=3140,
len=1}, 0xbff3c074) = 0
time(NULL)                              = 1493714662
fcntl64(12, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=26808,
len=1}, 0xbff3c114) = 0
fcntl64(12, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=26808,
len=1}, 0xbff3c164) = 0
fcntl64(15, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=30480,
len=1}, 0xbff3c344) = 0
fcntl64(15, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=30480,
len=1}, 0xbff3c3c4) = 0
fcntl64(15, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=26808,
len=1}, 0xbff3c114) = 0
fcntl64(15, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=26808,
len=1}, 0xbff3c164) = 0
fcntl64(14, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=36380,
len=1}, 0xbff3c344) = 0
fcntl64(14, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=36380,
len=1}, 0xbff3c3c4) = 0
fcntl64(14, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=26808,
len=1}, 0xbff3c114) = 0
fcntl64(14, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=26808,
len=1}, 0xbff3c164) = 0
fcntl64(16, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=14612,
len=1}, 0xbff3c344) = 0
fcntl64(16, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=14612,
len=1}, 0xbff3c3c4) = 0
fcntl64(16, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=26808,
len=1}, 0xbff3c114) = 0
fcntl64(16, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=26808,
len=1}, 0xbff3c164) = 0
fcntl64(17, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=10100,
len=1}, 0xbff3c344) = 0
fcntl64(17, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=10100,
len=1}, 0xbff3c3c4) = 0
fcntl64(17, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=26808,
len=1}, 0xbff3c114) = 0
fcntl64(17, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=26808,
len=1}, 0xbff3c164) = 0
fcntl64(13, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=26440,
len=1}, 0xbff3c344) = 0
fcntl64(13, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=26440,
len=1}, 0xbff3c3c4) = 0
fcntl64(13, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=26808,
len=1}, 0xbff3c114) = 0
fcntl64(13, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=26808,
len=1}, 0xbff3c194) = 0
fcntl64(13, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=38868,
len=1}, 0xbff3c274) = 0
fcntl64(13, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=38868,
len=1}, 0xbff3c2f4) = 0


Can somebody help me how can I investigate the problem?

Sincerely,

Papp Bence





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