You would have a similar memory footprint running apache/mod_wsgi.
Mind you I am also running Ruby (mod_passenger) as well as mod_wsgi,
so the memory usage is a "tiny" bit higher because of the extra ruby
processes.
free -m
total used free shared buffers cached
Mem: 512 126 385 0 4 49
-/+ buffers/cache: 72 439
Swap: 1023 0 1023
ps aux | grep "wsgi" && ps aux | grep "postgres" && ps aux | grep "python"
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
www-data 3949 0.2 3.9 330988 20820 ? Sl 15:27 0:00
(wsgi:web2py -k start
********* 4030 0.0 0.1 7528 892 pts/0 R+ 15:30 0:00 grep wsgi
postgres 3768 0.3 1.2 102008 6620 ? S 15:26 0:00
/usr/lib/postgresql/8.3/bin/postgres -D /var/lib/postgresql/8.3/main
-c config_file=/etc/postgresql/8.3/main/postgresql.conf
postgres 3771 0.0 0.3 102008 1756 ? Ss 15:27 0:00
postgres: writer process
postgres 3772 0.0 0.2 102008 1572 ? Ss 15:27 0:00
postgres: wal writer process
postgres 3773 0.0 0.3 102284 1992 ? Ss 15:27 0:00
postgres: autovacuum launcher process
postgres 3774 0.0 0.3 72632 1692 ? Ss 15:27 0:00
postgres: stats collector process
postgres 4025 0.1 1.2 104012 6604 ? Ss 15:30 0:00
postgres: servant mediapanel 127.0.0.1(57909) idle
********* 4032 0.0 0.1 7532 908 pts/0 S+ 15:30 0:00 grep postgres
********* 4034 0.0 0.1 7528 888 pts/0 R+ 15:30 0:00 grep python
Notice, wsgi:web2py only takes 3.9 % memory, which calculates out to
19.968 MB of RAM on a 512 MB ram VPS.
-Thadeus
On Fri, Feb 19, 2010 at 12:19 PM, raven <[email protected]> wrote:
>
> Now that I have web2py working with lighttpd, instead of its own web
> server,
> my application runs much, much faster and requires just over half as
> much memory
> ( 39M for web2py, python and lighttpd instead of 63M ) leaving me
> plenty of room in my 64M system
>
> This is great!
>
> Without lighttpd
>
> top - 21:54:56 up 11:53, 2 users, load average: 0.00, 0.00, 0.00
> Tasks: 11 total, 1 running, 10 sleeping, 0 stopped, 0 zombie
> Cpu(s): 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si,
> 0.0%st
> Mem: 65536k total, 65536k used, 0k free, 0k
> buffers
> Swap: 0k total, 0k used, 0k free, 0k
> cached
>
> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
> 1 root 15 0 1936 888 628 S 0 1.4 0:00.44 init
> 28126 syslog 15 0 1972 668 536 S 0 1.0 0:00.29 syslogd
> 28141 root 15 0 5372 1096 700 S 0 1.7 0:00.07 sshd
> 28151 root 15 0 2468 880 712 S 0 1.3 0:00.00 xinetd
> 28194 root 15 0 2168 924 740 S 0 1.4 0:00.08 cron
> 28246 root 15 0 8176 2808 2240 S 0 4.3 0:00.97 sshd
> 28309 root 15 0 2952 1672 1316 S 0 2.6 0:00.02 bash
> 32170 root 15 0 8172 2804 2240 S 0 4.3 0:01.62 sshd
> 32194 root 15 0 2944 1616 1272 S 0 2.5 0:00.00 bash
> 14172 root 18 0 63088 25m 4252 S 0 40.2 0:04.13 python2.5
> 18279 root 15 0 2384 1104 908 R 0 1.7 0:00.16 top
>
>
> With lighttpd
>
> top - 13:10:21 up 1:06, 1 user, load average: 0.03, 0.01, 0.00
> Tasks: 11 total, 2 running, 9 sleeping, 0 stopped, 0 zombie
> Cpu(s): 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi,
> 0.0%si, 0.0%st
> Mem: 65536k total, 40044k used, 25492k free, 0k
> buffers
> Swap: 0k total, 0k used, 0k free, 0k
> cached
>
> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
> 1 root 18 0 1936 888 628 S 0 1.4 0:00.35 init
> 16231 syslog 18 0 1976 676 536 S 0 1.0 0:00.01 syslogd
> 16253 root 18 0 5368 1092 700 S 0 1.7 0:00.00 sshd
> 16287 root 17 0 2472 880 712 S 0 1.3 0:00.00 xinetd
> 16317 root 15 0 2164 924 740 S 0 1.4 0:00.00 cron
> 25711 root 15 0 8332 2772 2220 R 0 4.2 0:00.14 sshd
> 25763 root 15 0 2980 1684 1300 S 0 2.6 0:00.03 bash
> 15513 root 17 0 2980 684 300 S 0 1.0 0:00.00 bash
> 15515 www-data 18 0 33344 12m 3820 S 0 19.8 0:00.34 python
> 26153 www-data 18 0 5248 2064 960 S 0 3.1 0:00.00 lighttpd
> 5384 root 15 0 2384 1108 908 R 0 1.7 0:00.00 top
>
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