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2bbionic
Tux's lil' helper
Tux's lil' helper


Joined: 24 Mar 2005
Posts: 134

PostPosted: Wed May 31, 2006 9:07 pm    Post subject: saslauthd uses more and more memory Reply with quote

since updating cyrus-sasl to 2.1.21-r2, saslauthd uses more and more memory including swap (400MB of 512MB last) - 1GB RAM is installed. I never hat to restart the daemon before, but now i have to do this every day. I don't know where to search for the cause, but i think there's somebody here who can help.
The server has to do with about 2000 eMails per day...

make.conf:
Code:

CFLAGS="-O3 -mcpu=pentium4 -march=pentium4 -fomit-frame-pointer -pipe"
CHOST="i686-pc-linux-gnu"
CXXFLAGS="${CFLAGS}"
MAKEOPTS="-j2"
GENTOO_MIRRORS="ftp://pandemonium.tiscali.de/pub/gentoo/ ftp://130.59.10.34/mirror/gentoo/ http://pandemonium.tiscali.de/pub/gentoo/ ftp://sunsite.informatik.rwth-aachen.de/pub/Linux/gentoo"
SYNC="rsync://rsync.de.gentoo.org/gentoo-portage"
LANG="de_DE@euro"
LANGUAGE="49"
LINGUAS="de"
USE="-motif imap -gtk -gnome -kde -X sasl apache2 bash-completion -bonobo xml xml2 png gif hardened iconv imagemagick -innodb jpeg mmap mysqli mysql -nis tiff tidy sysvipc nls pam ssl -threads no-htdocs gd"
PORTDIR_OVERLAY="/usr/local/portage"

Kernel:
Code:
2.6.11-hardened-r15 #1 SMP Wed Aug 31 20:47:53 CEST 2005 i686 Intel(R) Celeron(R) CPU 2.40GHz GNU/Linux

/etc/conf.d/saslauthd:
Code:
# Config file for /etc/init.d/saslauthd

# Initial (empty) options.
SASLAUTHD_OPTS=""

# Specify the authentications mechanism.
# *NOTE* For list see: saslauthd -v
# From 2.1.19, add "-r" to options for old behavior
# ie. reassemble user and realm to user@realm form.
# SASLAUTHD_OPTS="${SASLAUTH_MECH} -a pam -r"
SASLAUTHD_OPTS="${SASLAUTH_MECH} -a pam"

# Specify the hostname for remote IMAP server.
# *NOTE* Only needed if rimap auth mech is used.
#SASLAUTHD_OPTS="${SASLAUTHD_OPTS} -O localhost"

# Specify the number of worker processes to create.
#SASLAUTHD_OPTS="${SASLAUTHD_OPTS} -n 5"

# Enable credential cache, cache size, and timeout.
# *NOTE* Size is measured in kilobytes
#        Timeout is measured in seconds
#SASLAUTHD_OPTS="${SASLAUTHD_OPTS} -c -s 128 -t 30"


actual processes:

Code:
root     15032  0.0  7.0  64424 63504 ?        Ss   May29   0:10 /usr/sbin/saslauthd -a pam
root     15033  0.0  7.0  64424 63504 ?        S    May29   0:10 /usr/sbin/saslauthd -a pam
root     15034  0.0  7.0  64424 63564 ?        S    May29   0:10 /usr/sbin/saslauthd -a pam
root     15035  0.0  7.0  64292 63440 ?        S    May29   0:10 /usr/sbin/saslauthd -a pam
root     15036  0.0  7.0  64292 63440 ?        S    May29   0:10 /usr/sbin/saslauthd -a pam

pmap -d of process 15033 shows:
Code:

pmap -d 15032
15032:   /usr/sbin/saslauthd -a pam
Address   Kbytes Mode  Offset           Device    Mapping
40000000      88 r-x-- 0000000000000000 008:00003 ld-2.3.6.so
40016000       4 r---- 0000000000015000 008:00003 ld-2.3.6.so
40017000       4 rw--- 0000000000016000 008:00003 ld-2.3.6.so
40018000      20 r-x-- 0000000000000000 008:00003 libcrypt-2.3.6.so
4001d000       4 r---- 0000000000004000 008:00003 libcrypt-2.3.6.so
4001e000       4 rw--- 0000000000005000 008:00003 libcrypt-2.3.6.so
4001f000     156 rw--- 000000004001f000 000:00000   [ anon ]
40046000      56 r-x-- 0000000000000000 008:00003 libresolv-2.3.6.so
40054000       8 rw--- 000000000000e000 008:00003 libresolv-2.3.6.so
40056000       8 rw--- 0000000040056000 000:00000   [ anon ]
40058000      32 r-x-- 0000000000000000 008:00003 libpam.so.0.78
40060000       8 rw--- 0000000000007000 008:00003 libpam.so.0.78
40062000    1084 r-x-- 0000000000000000 008:00003 libc-2.3.6.so
40171000       4 r---- 000000000010f000 008:00003 libc-2.3.6.so
40172000      12 rw--- 0000000000110000 008:00003 libc-2.3.6.so
40175000       8 rw--- 0000000040175000 000:00000   [ anon ]
40177000       8 r-x-- 0000000000000000 008:00003 libdl-2.3.6.so
40179000       4 r---- 0000000000001000 008:00003 libdl-2.3.6.so
4017a000       4 rw--- 0000000000002000 008:00003 libdl-2.3.6.so
40318000      32 r-x-- 0000000000000000 008:00003 libnss_files-2.3.6.so
40320000       4 r---- 0000000000007000 008:00003 libnss_files-2.3.6.so
40321000       4 rw--- 0000000000008000 008:00003 libnss_files-2.3.6.so
80000000      52 r-x-- 0000000000000000 008:00003 saslauthd
8000d000       4 r---- 000000000000c000 008:00003 saslauthd
8000e000       4 rw--- 000000000000d000 008:00003 saslauthd
8000f000   62716 rw--- 000000008000f000 000:00000   [ anon ]
b7ff8000       8 rw--- 00000000b7ff8000 000:00000   [ anon ]
bffeb000      84 rw--- 00000000bffeb000 000:00000   [ stack ]
ffffe000       4 ----- 0000000000000000 000:00000   [ anon ]
mapped: 64428K    writeable/private: 63028K    shared: 0K


Thanks for your help !

2bbionic
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z0ny
Tux's lil' helper
Tux's lil' helper


Joined: 19 Mar 2005
Posts: 102
Location: Germany

PostPosted: Fri Dec 22, 2006 10:32 am    Post subject: Reply with quote

My cyrus-sasl-2.1.22-r1 is eating memory (including swap), too. Is there a solution out there yet? Thanks in advance.
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nix13
n00b
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Joined: 07 Aug 2004
Posts: 18

PostPosted: Sat Dec 29, 2007 5:18 pm    Post subject: Reply with quote

bump

I'm seeing the samething on a mail server with 4GB of RAM and 5GB swap. After about 5 - 7 days total memory exhaustion incluiding swap and the server crashes. A quick check with ps shows saslauthd is eating all the memory. Re-starting the process fixes the problem but i have todo that every 2 - 3 days.

dev-libs/cyrus-sasl-2.1.22-r2
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nix13
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Joined: 07 Aug 2004
Posts: 18

PostPosted: Thu Feb 14, 2008 3:22 pm    Post subject: Reply with quote

I'm still seeing this problem, anyone else?
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planet-admin
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Joined: 27 Mar 2004
Posts: 213
Location: Boise, ID

PostPosted: Tue May 13, 2008 5:43 pm    Post subject: Reply with quote

saslauthd has some issues on my server as well, spiking to 100% cpu, never going away. My solution (a fairly safe one) is to restart saslauthd via the init script every hour.

Michael
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Seather
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Joined: 23 May 2003
Posts: 194
Location: South Africa

PostPosted: Wed Sep 10, 2014 2:37 am    Post subject: Reply with quote

Same problem here,

Maybe it has something to do with this:

http://osdir.com/ml/ubuntu-bugs/2013-11/msg13535.html
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