Tengo problemas diarios con el cartero con la autenticación a través de MySQL en mi servidor Ubuntu14LTS. Creo que el problema surge después de que un scron de clamscan se interrumpe en un estado de falta de memoria. De alguna manera, el socket mysql se rompe y no puedo leer mis correos electrónicos desde un cliente de correo electrónico debido a un error de autenticación de authdaemond, pero puedo usar bases de datos mysql a través del comando mysql, y también mi aplicación web funciona bien con el mismo servidor mysql. Si reinicio el servicio MySQL, authdaemond funciona.
¿Cómo podría solucionar esto? Cualquier consejo será apreciado, gracias.
registro de errores)
05:06:42 kernel: [449190.488344] Out of memory in UB 56629: OOM killed process 7839 (clamscan) score 0 vm:304480kB, rss:243064kB, swap:0kB
05:06:42 amavis[32693]: (32693-04) (!!)AV: ALL VIRUS SCANNERS FAILED
05:11:15 kernel: [449463.682629] Out of memory in UB 56629: OOM killed process 15307 (clamscan) score 0 vm:362608kB, rss:294436kB, swap:0kB
05:11:15 amavis[32693]: (32693-05-6) (!!)AV: ALL VIRUS SCANNERS FAILED
05:11:53 kernel: [449501.302589] Out of memory in UB 56629: OOM killed process 16511 (clamscan) score 0 vm:374780kB, rss:306480kB, swap:0kB
05:11:53 amavis[32693]: (32693-05-7) (!!)AV: ALL VIRUS SCANNERS FAILED
05:13:43 kernel: [449611.701346] Out of memory in UB 56629: OOM killed process 20750 (clamscan) score 0 vm:377420kB, rss:309408kB, swap:0kB
05:13:43 amavis[32693]: (32693-06-2) (!!)AV: ALL VIRUS SCANNERS FAILED
05:15:27 kernel: [449715.323649] Out of memory in UB 56629: OOM killed process 23783 (clamscan) score 0 vm:374784kB, rss:306516kB, swap:0kB
05:15:27 amavis[32693]: (32693-06-4) (!!)AV: ALL VIRUS SCANNERS FAILED
05:17:36 kernel: [449844.487208] Out of memory in UB 56629: OOM killed process 24521 (clamscan) score 0 vm:378464kB, rss:310460kB, swap:0kB
05:17:36 amavis[32693]: (32693-06-6) (!!)AV: ALL VIRUS SCANNERS FAILED
05:22:09 kernel: [450118.059783] Out of memory in UB 56629: OOM killed process 25385 (clamscan) score 0 vm:380276kB, rss:312244kB, swap:0kB
05:22:09 amavis[32693]: (32693-07-7) (!!)AV: ALL VIRUS SCANNERS FAILED
05:22:39 kernel: [450147.625891] Out of memory in UB 56629: OOM killed process 25389 (clamscan) score 0 vm:378472kB, rss:310460kB, swap:0kB
05:22:39 amavis[32693]: (32693-07-8) (!!)AV: ALL VIRUS SCANNERS FAILED
09:12:59 imapd-ssl: Connection, ip=[::ffff:xx.xx.xx.xx]
09:13:00 authdaemond: failed to connect to mysql server (server=localhost, userid=mail): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)
09:13:00 imapd-ssl: LOGIN FAILED, method=PLAIN, ip=[::ffff:xx.xx.xx.xx]
09:13:00 imapd-ssl: authentication error: Input/output error
Memoria:
total used free shared buffers cached
Mem: 1024 967 56 67 0 292
-/+ buffers/cache: 674 349
Swap: 128 126 1
Proceso:
UID PID PPID C STIME TTY TIME CMD
root 1 0 0 sep24 ? 00:00:01 init
root 2 1 0 sep24 ? 00:00:00 [kthreadd/56629]
root 3 2 0 sep24 ? 00:00:00 [khelper/56629]
root 4 2 0 sep24 ? 00:00:00 [rpciod/56629/0]
root 5 2 0 sep24 ? 00:00:00 [rpciod/56629/1]
root 6 2 0 sep24 ? 00:00:00 [rpciod/56629/2]
root 7 2 0 sep24 ? 00:00:00 [rpciod/56629/3]
root 8 2 0 sep24 ? 00:00:00 [rpciod/56629/4]
root 9 2 0 sep24 ? 00:00:00 [rpciod/56629/5]
root 10 2 0 sep24 ? 00:00:00 [rpciod/56629/6]
root 11 2 0 sep24 ? 00:00:00 [rpciod/56629/7]
root 12 2 0 sep24 ? 00:00:00 [nfsiod/56629]
message+ 221 1 0 sep24 ? 00:00:00 dbus-daemon --system --fork
root 249 1 0 sep24 ? 00:00:00 /lib/systemd/systemd-logind
root 252 1 0 sep24 ? 00:00:00 upstart-socket-bridge --daemon
root 253 1 0 sep24 ? 00:00:00 upstart-file-bridge --daemon
root 485 1 0 sep24 ? 00:00:00 /usr/sbin/xinetd -dontfork -pidfile /var/run/xinetd.pid -stayalive -inetd_compat -inetd_ipv6
root 491 1 0 sep24 ? 00:00:00 /usr/sbin/dovecot -F -c /etc/dovecot/dovecot.conf
root 496 1 0 sep24 ? 00:00:00 /usr/sbin/sshd -D
root 498 1 0 sep24 ? 00:00:03 cron
dovecot 541 491 0 sep24 ? 00:00:00 dovecot/anvil
root 542 491 0 sep24 ? 00:00:00 dovecot/log
root 545 491 0 sep24 ? 00:00:00 dovecot/config
syslog 563 1 0 sep24 ? 00:00:01 /sbin/syslogd -u syslog
root 611 1 0 sep24 ? 00:00:00 supervising syslog-ng
root 612 611 0 sep24 ? 00:00:04 /usr/sbin/syslog-ng -p /var/run/syslog-ng.pid --no-caps
amavis 757 1 0 sep24 ? 00:00:08 /usr/sbin/amavisd-new (master)
root 762 1 0 sep24 ? 00:00:46 /usr/sbin/spamd --create-prefs --max-children 5 --helper-home-dir -d --pidfile=/var/run/spamd.pid
root 770 762 0 sep24 ? 00:00:00 spamd child
root 772 762 0 sep24 ? 00:00:00 spamd child
bind 828 1 0 sep24 ? 00:00:00 /usr/sbin/named -u bind
clamav 1199 1 0 sep24 ? 00:00:35 /usr/sbin/clamd
clamav 1323 1 0 sep24 ? 00:02:30 /usr/bin/freshclam -d --quiet
root 1348 1 0 sep24 ? 00:00:00 /usr/sbin/courierlogger -pid=/var/run/courier/authdaemon/pid -start /usr/lib/courier/courier-authlib/authdaemond
root 1349 1348 0 sep24 ? 00:00:00 /usr/lib/courier/courier-authlib/authdaemond
root 1374 1349 0 sep24 ? 00:00:00 /usr/lib/courier/courier-authlib/authdaemond
root 1375 1349 0 sep24 ? 00:00:00 /usr/lib/courier/courier-authlib/authdaemond
root 1376 1349 0 sep24 ? 00:00:00 /usr/lib/courier/courier-authlib/authdaemond
root 1377 1349 0 sep24 ? 00:00:00 /usr/lib/courier/courier-authlib/authdaemond
root 1378 1349 0 sep24 ? 00:00:00 /usr/lib/courier/courier-authlib/authdaemond
root 1381 1 0 sep24 ? 00:00:00 /usr/sbin/courierlogger -pid=/var/run/courier/imapd.pid -start -name=imapd /usr/sbin/couriertcpd -address=0 -maxprocs=40 -maxperip=20 -nodnslookup -noi
root 1382 1381 0 sep24 ? 00:00:00 /usr/sbin/couriertcpd -address=0 -maxprocs=40 -maxperip=20 -nodnslookup -noidentlookup 143 /usr/lib/courier/courier/imaplogin /usr/bin/imapd Maildir
root 1411 1 0 sep24 ? 00:00:00 /usr/sbin/courierlogger -pid=/var/run/courier/imapd-ssl.pid -start -name=imapd-ssl /usr/sbin/couriertcpd -address=0 -maxprocs=40 -maxperip=20 -nodnsloo
root 1412 1411 0 sep24 ? 00:00:00 /usr/sbin/couriertcpd -address=0 -maxprocs=40 -maxperip=20 -nodnslookup -noidentlookup 993 /usr/bin/couriertls -server -tcpd /usr/lib/courier/courier/i
root 1434 1 0 sep24 ? 00:00:00 /usr/sbin/courierlogger -pid=/var/run/courier/pop3d.pid -start -name=pop3d /usr/sbin/couriertcpd -maxprocs=40 -maxperip=4 -nodnslookup -noidentlookup -
root 1435 1434 0 sep24 ? 00:00:00 /usr/sbin/couriertcpd -maxprocs=40 -maxperip=4 -nodnslookup -noidentlookup -address=0 110 /usr/lib/courier/courier/courierpop3login /usr/lib/courier/co
root 1463 1 0 sep24 ? 00:00:00 /usr/sbin/courierlogger -pid=/var/run/courier/pop3d-ssl.pid -start -name=pop3d-ssl /usr/sbin/couriertcpd -address=0 -maxprocs=40 -maxperip=4 -nodnslook
root 1464 1463 0 sep24 ? 00:00:00 /usr/sbin/couriertcpd -address=0 -maxprocs=40 -maxperip=4 -nodnslookup -noidentlookup 995 /usr/bin/couriertls -server -tcpd /usr/lib/courier/courier/co
root 2004 1 0 sep24 ? 00:00:04 /usr/lib/postfix/master
postfix 2009 2004 0 sep24 ? 00:00:02 qmgr -l -t fifo -u
root 2044 1 0 sep24 ? 00:00:00 /usr/sbin/saslauthd -a pam -r -c -m /var/spool/postfix/var/run/saslauthd -n 5
root 2045 2044 0 sep24 ? 00:00:00 /usr/sbin/saslauthd -a pam -r -c -m /var/spool/postfix/var/run/saslauthd -n 5
root 2046 2044 0 sep24 ? 00:00:00 /usr/sbin/saslauthd -a pam -r -c -m /var/spool/postfix/var/run/saslauthd -n 5
root 2047 2044 0 sep24 ? 00:00:00 /usr/sbin/saslauthd -a pam -r -c -m /var/spool/postfix/var/run/saslauthd -n 5
root 2048 2044 0 sep24 ? 00:00:00 /usr/sbin/saslauthd -a pam -r -c -m /var/spool/postfix/var/run/saslauthd -n 5
root 2177 1 0 sep24 tty1 00:00:00 /sbin/getty 38400 console
root 2179 1 0 sep24 tty2 00:00:00 /sbin/getty 38400 tty2
root 2180 1 0 sep24 ? 00:00:00 /sbin/getty -8 38400 tty1
mysql 7612 1 0 12:27 ? 00:01:12 /usr/sbin/mysqld
tomcat7 7703 1 1 12:27 ? 00:03:31 /usr/lib/jvm/default-java/bin/java -Djava.util.logging.config.file=/var/lib/tomcat7/conf/logging.properties -Djava.util.logging.manager=org.apache.juli
root 7812 1 0 12:27 ? 00:00:03 /usr/sbin/apache2 -k start
www-data 7815 7812 0 12:27 ? 00:00:06 /usr/sbin/apache2 -k start
www-data 7816 7812 0 12:27 ? 00:00:06 /usr/sbin/apache2 -k start
www-data 7819 7812 0 12:27 ? 00:00:06 /usr/sbin/apache2 -k start
www-data 7820 7812 0 12:27 ? 00:00:05 /usr/sbin/apache2 -k start
www-data 7821 7812 0 12:27 ? 00:00:05 /usr/sbin/apache2 -k start
www-data 7912 7812 0 12:30 ? 00:00:06 /usr/sbin/apache2 -k start
postfix 16508 2004 0 sep24 ? 00:00:00 tlsmgr -l -t unix -u -c
amavis 24919 757 0 12:40 ? 00:00:02 /usr/sbin/amavisd-new (ch1-avail)
amavis 24921 757 0 12:40 ? 00:00:03 /usr/sbin/amavisd-new (ch1-avail)
www-data 25335 7812 0 13:53 ? 00:00:03 /usr/sbin/apache2 -k start
www-data 25337 7812 0 13:53 ? 00:00:04 /usr/sbin/apache2 -k start
www-data 25338 7812 0 13:53 ? 00:00:03 /usr/sbin/apache2 -k start
postfix 26111 2004 0 16:40 ? 00:00:00 pickup -l -t fifo -u -c -o content_filter= -o receive_override_options=no_header_body_checks
root 26151 496 0 16:53 ? 00:00:00 sshd: root@pts/1
root 26202 26151 0 16:54 pts/1 00:00:00 -bash
postfix 26237 2004 0 16:55 ? 00:00:00 cleanup -z -t unix -u -c
postfix 26238 2004 0 16:55 ? 00:00:00 trivial-rewrite -n rewrite -t unix -u -c
postfix 26241 2004 0 16:55 ? 00:00:00 smtp -t unix -u -c
postfix 26251 2004 0 16:55 ? 00:00:00 bounce -z -t unix -u -c
postfix 26252 2004 0 16:55 ? 00:00:00 bounce -z -t unix -u -c
root 26280 26202 0 16:56 pts/1 00:00:00 ps -ef
Respuesta1
Básicamente, su sistema se está quedando sin memoria. La causa exacta de esto debería estar en algún lugar de sus archivos de registro. Mira estoesta excelente sesión de preguntas y respuestaspara ver el tipo de información que está buscando.
En este momento sus soluciones son
- añadir másintercambio
- Aumente el tamaño de la memoria (muévase a una instancia más grande).
- Diagnostique el problema y ajuste el uso de la memoria si es posible (parece poco probable debido a la falta de registros y habilidades).