Hi,
I need some help debugging a production site with GeoDjango and
mod_wsgi.
The problem is that a few hours after restart I always end up with 4
processes eating up all available memory, 1 CPU core is 100% kernel
and others are idle, apparently doing nothing.
I have a traditional setup:
* nginx serving static media + apache + mod_wsgi (latest version)
* GeoDjango (cannot go multithread due to some c/c++ binding libs not
being thread safe)
this is the configuration:
...
WSGIDaemonProcess ml.eu user=www-data group=www-data processes=10
threads=1 maximum-requests=50 display-name=WSGI
WSGIProcessGroup ml.eu
...
request limit to 50 doesn't help.
and :
<IfModule mpm_prefork_module>
StartServers 1
MinSpareServers 1
MaxSpareServers 2
MaxClients 150
MaxRequestsPerChild 0
</IfModule>
-- htop ---
1 [|||||||||||||||||||||||||||||||||100.0%] Tasks: 81 total, 2
running
2 [ 0.0%] Load average: 2.15
2.08 2.02
3 [ 0.0%] Uptime: 262
days(!), 16:25:28
4 [ 0.0%]
Mem[||||||||||||||||||||||||||||1044/1089MB]
Swp[|||||||||||||| 706/2047MB]
PID USER PRI NI VIRT RES SHR S CPU% MEM% TIME+
Command
11240 www-data 20 0 1085M 394M 2100 S 0.0 36.2 3:30.59
WSGI -k start
11243 www-data 20 0 1085M 394M 2100 R 0.6 36.2 6:27.19
WSGI -k start
11242 www-data 20 0 1085M 394M 2100 S 0.0 36.2 0:00.70
WSGI -k start
11241 www-data 20 0 1085M 394M 2100 S 0.0 36.2 0:00.00
WSGI -k start
17276 www-data 20 0 353M 63040 12848 S 0.0 5.7 0:00.00
WSGI -k start
17277 www-data 20 0 353M 63040 12848 S 0.0 5.7 0:00.00
WSGI -k start
17278 www-data 20 0 353M 63040 12848 S 0.0 5.7 0:03.04
WSGI -k start
17275 www-data 20 0 353M 63040 12848 S 0.0 5.7 0:01.75
WSGI -k start
16371 www-data 20 0 361M 59052 5384 S 0.0 5.3 0:09.13
WSGI -k start
16370 www-data 20 0 361M 59052 5384 S 0.0 5.3 0:00.07
WSGI -k start
16369 www-data 20 0 361M 59052 5384 S 0.0 5.3 0:00.00
WSGI -k start
16368 www-data 20 0 361M 59052 5384 S 0.0 5.3 0:05.42
WSGI -k start
16869 www-data 20 0 361M 56616 5324 S 0.0 5.1 0:06.07
WSGI -k start
16872 www-data 20 0 361M 56616 5324 S 0.0 5.1 0:10.67
WSGI -k start
16871 www-data 20 0 361M 56616 5324 S 0.0 5.1 0:00.05
WSGI -k start
16870 www-data 20 0 361M 56616 5324 S 0.0 5.1 0:00.00
WSGI -k start
16809 www-data 20 0 362M 56412 5572 S 0.0 5.1 0:10.09
WSGI -k start
16808 www-data 20 0 362M 56412 5572 S 0.0 5.1 0:00.06
WSGI -k start
16807 www-data 20 0 362M 56412 5572 S 0.0 5.1 0:00.00
WSGI -k start
16806 www-data 20 0 362M 56412 5572 S 0.0 5.1 0:05.92
WSGI -k start
17227 www-data 20 0 354M 54540 10376 S 0.0 4.9 0:00.00
WSGI -k start
17228 www-data 20 0 354M 54540 10376 S 0.0 4.9 0:00.01
WSGI -k start
17229 www-data 20 0 354M 54540 10376 S 0.0 4.9 0:03.14
WSGI -k start
17226 www-data 20 0 354M 54540 10376 S 0.0 4.9 0:01.77
WSGI -k start
16748 www-data 20 0 364M 45280 5224 D 0.6 4.1 0:08.84
WSGI -k start
16747 www-data 20 0 364M 45280 5224 S 0.0 4.1 0:00.06
WSGI -k start
16745 www-data 20 0 364M 45280 5224 S 0.0 4.1 0:04.73
WSGI -k start
16746 www-data 20 0 364M 45280 5224 S 0.0 4.1 0:00.00
WSGI -k start
17074 www-data 20 0 361M 37608 7812 S 0.0 3.4 0:05.57
WSGI -k start
17073 www-data 20 0 361M 37608 7812 S 0.0 3.4 0:00.03
WSGI -k start
17072 www-data 20 0 361M 37608 7812 S 0.0 3.4 0:00.00
WSGI -k start
17071 www-data 20 0 361M 37608 7812 S 0.0 3.4 0:03.08
WSGI -k start
16555 www-data 20 0 368M 24724 5292 S 0.0 2.2 0:28.51
WSGI -k start
16554 www-data 20 0 368M 24724 5292 S 0.0 2.2 0:00.07
WSGI -k start
16553 www-data 20 0 368M 24724 5292 S 0.0 2.2 0:00.00
WSGI -k start
16552 www-data 20 0 368M 24724 5292 S 0.0 2.2 0:25.12
WSGI -k start
16507 www-data 20 0 364M 24348 5064 S 0.0 2.2 0:08.88
WSGI -k start
16506 www-data 20 0 364M 24348 5064 S 0.0 2.2 0:00.06
WSGI -k start
16505 www-data 20 0 364M 24348 5064 S 0.0 2.2 0:00.00
WSGI -k start
16504 www-data 20 0 364M 24348 5064 S 0.0 2.2 0:06.16
WSGI -k start
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