[OT] finding memory hungry bits of my code

[Ben Evans]

Edmund von der Burg wrote:
> 2009/4/9 Andy Armstrong <andy at hexten.net>:
>   
>> That sounds as if it could just be Perl getting up to cruising (memory)
>> altitude. Perl isn't especially keen on giving memory back to the OS once
>> it's used it; instead it keeps it hanging around and uses it to satisfy
>> future allocations.
>>     
>
> Perhaps you're right - but our cruising altitude would seem to be very
> high: our biggest processes according to top:
>
>   PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
>  2050 web       15   0  126m 112m 5624 S    0  1.4   0:21.66
> /usr/sbin/apache-perl
>  1702 web       15   0  126m 112m 5420 R    6  1.4   0:22.88
> /usr/sbin/apache-perl
>  3511 web       20   0  124m 110m 5544 S    0  1.4   0:13.07
> /usr/sbin/apache-perl
>  4198 web       15   0  124m 110m 5560 S    9  1.4   0:08.84
> /usr/sbin/apache-perl
>  2037 web       15   0  124m 110m 5588 S    0  1.4   0:17.96
> /usr/sbin/apache-perl
>  3143 web       25   0  122m 108m 6116 S    0  1.3   0:15.10
> /usr/sbin/apache-perl
>  1321 web       17   0  121m 108m 6356 S    0  1.3   0:22.96
> /usr/sbin/apache-perl
>  1329 web       15   0  121m 108m 6348 S    0  1.3   0:18.82
> /usr/sbin/apache-perl
>  3160 web       16   0  119m 105m 5572 S    3  1.3   0:13.70
> /usr/sbin/apache-perl
>  3512 web       16   0  117m 104m 6292 S    2  1.3   0:10.58
> /usr/sbin/apache-perl
>  3155 web       15   0  118m 104m 5588 S    0  1.3   0:14.26
> /usr/sbin/apache-perl
>  3492 web       15   0  117m 104m 5572 S    4  1.3   0:12.85
> /usr/sbin/apache-perl
>  3151 web       18   0  117m 103m 4504 S    4  1.3   0:15.30
> /usr/sbin/apache-perl
Am I missing something? I don't see what's particularly scary about 
those numbers.

Ben