Re: ACID makes Apache eat tons of RAM

[Roman Danyliw <roman () danyliw com>]

Jyri,

- What version of ADODB are you using?  It is recommend to upgrade to the
latest (v1.4).

- What type of database connection are you using normal or persistant (set
in $db_connect_method in acid_conf.php)?  Try switching from persistant to
normal connections.

Let me know,
Roman

On Sun, 14 Oct 2001, Jyri Hovila wrote:

> Hi everyone!
>
> Didn't find anything about this in the archives.
>
> My setup:
>
>       - OpenBSD 2.9
>       - Snort 1.8.1-RELEASE (Build 74)
>       - MySQL 11.15 Distrib 3.23.37
>       - Apache 1.3.19
>       - ACID 0.9.6 b 16
>
> I noticed that refreshing (apparently) any ACID page several times at
> short intervals causes Apache to eat up unbelieveable amounts of memory.
> Here's a real-life example:
>
> 1. Apache is running, ACID has not been used yet:
>
>      49 processes:  1 running, 48 idle
>      CPU states:  0.2% user,  0.0% nice,  0.0% system,  0.8% interrupt,
> 99.1% idle
>      Memory: Real: 12M/35M act/tot  Free: 213M  Swap: 23M/256M used/tot
>
>        PID USERNAME PRI NICE  SIZE   RES STATE WAIT     TIME    CPU
> COMMAND
>      21582 mysql      2    0   11M 1852K idle  select   0:48  0.00%
> mysqld
>      27349 root       2    0 7292K 1472K sleep poll     0:13  0.00%
> squid
>      21267 root     -16    0 7812K 1672K sleep bpf      0:07  0.00%
> snort
>
> 2. ACID Maintenance page loaded once:
>
>      52 processes:  1 running, 51 idle
>      CPU states:  0.2% user,  0.0% nice,  0.0% system,  0.2% interrupt,
> 99.7% idle
>      Memory: Real: 19M/42M act/tot  Free: 206M  Swap: 23M/256M used/tot
>
>        PID USERNAME PRI NICE  SIZE   RES STATE WAIT     TIME    CPU
> COMMAND
>      21582 mysql      2    0   11M 1936K sleep select   0:49  1.46%
> mysqld
>       4614 www        2    0 4036K 6352K sleep netio    0:00  1.17%
> httpd
>      27349 root       2    0 7292K 1492K sleep poll     0:13  0.00%
> squid
>
> 3. ACID Maintenance page refreshed 10 times with 3 seconds between
> reloads:
>
>      52 processes:  2 running, 50 idle
>      CPU states: 63.2% user,  0.0% nice, 29.5% system,  1.4% interrupt,
> 5.9% idle
>      Memory: Real: 158M/182M act/tot  Free: 65M  Swap: 23M/256M used/tot
>
>        PID USERNAME PRI NICE  SIZE   RES STATE WAIT     TIME    CPU
> COMMAND
>      10329 www       64    0  147M  138M run   -        0:05 21.39%
> httpd
>       9287 www       18    0 4304K 6776K sleep lockf    0:15  9.67%
> httpd
>      21582 mysql      2    0   11M 1944K idle  select   0:54  1.71%
> mysqld
>
>
> Wow! Apache eats almost 150 MB! That's too much I guess...
>
> Anybody got any idea what could be causing this?



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