process table showing lots of idle airtime processes...
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I have been checking on the processes running on our airtime 1.8.2 server and have noticed a large number of postgres processes, and quite a few apache2 process too. Is this normal? Is it something to do with the number of users logged in? Please see process table below
thanks
James
~$ ps ax | grep postgres | grep -v grep: 866 ? S 1:01 /usr/lib/postgresql/8.4/bin/postgres -D /var/lib/postgresql/8.4/main -c config_file=/etc/postgresql/8.4/main/postgresql.conf 1085 ? Ss 0:39 postgres: writer process 1086 ? Ss 0:21 postgres: wal writer process 1087 ? Ss 0:12 postgres: autovacuum launcher process 1088 ? Ss 0:34 postgres: stats collector process 4257 ? Ss 0:00 postgres: airtime airtime 127.0.0.1(43684) idle 4341 ? Ss 0:00 postgres: airtime airtime 127.0.0.1(43778) idle 6321 ? Ss 0:00 postgres: airtime airtime 127.0.0.1(40806) idle 6334 ? Ss 0:00 postgres: airtime airtime 127.0.0.1(40822) idle 8556 ? Ss 0:00 postgres: airtime airtime 127.0.0.1(33735) idle 8630 ? Ss 0:00 postgres: airtime airtime 127.0.0.1(33784) idle 10174 ? Ss 0:00 postgres: airtime airtime 127.0.0.1(35529) idle 10175 ? Ss 0:00 postgres: airtime airtime 127.0.0.1(35530) idle 10176 ? Ss 0:00 postgres: airtime airtime 127.0.0.1(35531) idle 10351 ? Ss 0:00 postgres: airtime airtime 127.0.0.1(36217) idle 10369 ? Ss 0:00 postgres: airtime airtime 127.0.0.1(36238) idle 12727 ? Ss 0:00 postgres: airtime airtime 127.0.0.1(56932) idle 12828 ? Ss 0:00 postgres: airtime airtime 127.0.0.1(57033) idle 17580 ? Ss 0:00 postgres: airtime airtime 127.0.0.1(48645) idle 17705 ? Ss 0:00 postgres: airtime airtime 127.0.0.1(48653) idle 17706 ? Ss 0:00 postgres: airtime airtime 127.0.0.1(48654) idle 17724 ? Ss 0:00 postgres: airtime airtime 127.0.0.1(48683) idle 17990 ? Ss 0:00 postgres: airtime airtime 127.0.0.1(43901) idle 18012 ? Ss 0:00 postgres: airtime airtime 127.0.0.1(55626) idle 23219 ? Ss 0:00 postgres: airtime airtime 127.0.0.1(34847) idle 23246 ? Ss 0:00 postgres: airtime airtime 127.0.0.1(34879) idle 25330 ? Ss 0:00 postgres: airtime airtime 127.0.0.1(33668) idle 25353 ? Ss 0:00 postgres: airtime airtime 127.0.0.1(33701) idle 26096 ? Ss 0:00 postgres: airtime airtime 127.0.0.1(40480) idle 26263 ? Ss 0:00 postgres: airtime airtime 127.0.0.1(40639) idle
~$ ps ax | grep apache2 | grep -v grep 1366 ? Ss 0:10 /usr/sbin/apache2 -k start 3887 ? S 1:55 /usr/sbin/apache2 -k start 4026 ? S 0:37 /usr/sbin/apache2 -k start 4067 ? S 1:13 /usr/sbin/apache2 -k start 5304 ? S 0:25 /usr/sbin/apache2 -k start 6223 ? S 0:51 /usr/sbin/apache2 -k start 8367 ? S 0:15 /usr/sbin/apache2 -k start 9217 ? S 1:23 /usr/sbin/apache2 -k start 10602 ? S 2:28 /usr/sbin/apache2 -k start 10610 ? S 1:59 /usr/sbin/apache2 -k start 11101 ? S 2:53 /usr/sbin/apache2 -k start 11103 ? S 0:55 /usr/sbin/apache2 -k start 12743 ? S 5:07 /usr/sbin/apache2 -k start 13000 ? S 1:30 /usr/sbin/apache2 -k start 13307 ? S 0:52 /usr/sbin/apache2 -k start 13309 ? S 1:18 /usr/sbin/apache2 -k start 13310 ? S 2:34 /usr/sbin/apache2 -k start 13383 ? S 0:50 /usr/sbin/apache2 -k start 13939 ? S 2:51 /usr/sbin/apache2 -k start 14298 ? S 0:34 /usr/sbin/apache2 -k start 14342 ? S 1:17 /usr/sbin/apache2 -k start 17541 ? S 0:05 /usr/sbin/apache2 -k start 22360 ? S 3:02 /usr/sbin/apache2 -k start
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Vote Up0Vote Down
Andrey Podshivalov
September 2011
Posts: 1,526Member, Administrator, Sourcefabric Team
It seems that your server is overloaded.
Could you check load avarage? (run uptime or top) -
Yes I've been looking at top recently too, and memory is tight, but the PC meets the minimum specification stated on the Airtime website
Here's the output of top:
top - 18:59:52 up 2 days, 5:48, 2 users, load average: 0.34, 0.34, 0.50 Tasks: 158 total, 1 running, 157 sleeping, 0 stopped, 0 zombie Cpu(s): 29.7%us, 16.5%sy, 0.0%ni, 52.5%id, 1.0%wa, 0.0%hi, 0.3%si, 0.0%st Mem: 506052k total, 488848k used, 17204k free, 17280k buffers Swap: 520188k total, 137060k used, 383128k free, 133308k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 886 pypo 20 0 80708 16m 2472 S 28.5 3.3 654:34.08 liquidsoap 13310 www-data 20 0 40004 20m 4304 S 9.0 4.1 2:46.99 apache2 1085 postgres 20 0 46952 1876 1528 S 0.3 0.4 0:39.94 postgres 1191 rabbitmq 20 0 20800 3764 768 S 0.3 0.7 2:08.44 beam 6223 www-data 20 0 41668 16m 5028 S 0.3 3.4 0:53.68 apache2 12743 www-data 20 0 41668 9264 4808 S 0.3 1.8 5:09.51 apache2 1 root 20 0 2916 924 536 S 0.0 0.2 0:01.14 init 2 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kthreadd 3 root 20 0 0 0 0 S 0.0 0.0 0:51.84 ksoftirqd/0 5 root 20 0 0 0 0 S 0.0 0.0 0:00.44 kworker/u:0 6 root RT 0 0 0 0 S 0.0 0.0 0:00.00 migration/0 7 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 cpuset 8 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 khelper 9 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 netns 10 root 20 0 0 0 0 S 0.0 0.0 0:00.65 sync_supers 11 root 20 0 0 0 0 S 0.0 0.0 0:00.01 bdi-default 12 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kintegrityd 13 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kblockd 14 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kacpid 15 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kacpi_notify 16 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kacpi_hotplug 17 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 ata_sff 18 root 20 0 0 0 0 S 0.0 0.0 0:00.00 khubd 19 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 md 20 root 20 0 0 0 0 S 0.0 0.0 0:00.20 kworker/u:1 22 root 20 0 0 0 0 S 0.0 0.0 0:00.11 khungtaskd 23 root 20 0 0 0 0 S 0.0 0.0 0:16.73 kswapd0 24 root 25 5 0 0 0 S 0.0 0.0 0:00.00 ksmd 25 root 20 0 0 0 0 S 0.0 0.0 0:00.00 fsnotify_mark 26 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 aio 27 root 20 0 0 0 0 S 0.0 0.0 0:00.00 ecryptfs-kthrea 28 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 crypto 32 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kthrotld 34 root 20 0 0 0 0 S 0.0 0.0 0:00.03 scsi_eh_0 35 root 20 0 0 0 0 S 0.0 0.0 0:00.00 scsi_eh_1 38 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kmpathd 40 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kmpath_handlerd 41 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kondemand -
Vote Up0Vote DownAndrey Podshivalov
September 2011
Posts: 1,526Member, Administrator, Sourcefabric Team hmm, interesting. Usually postgres has 4-5 processes and apache about 10 (according conf file settings)
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