Hi,
First of all, you all are doing a great job on php :) You make my life as a
webdeveloper a hell of a lot easyer!
And now some questions I dont know shit about...
I'm writing some background scripts in php. A little she-bang to php and my
sysadmin tasks become a lot easyer and automated with the use of php code.
The last week I even tried to fork my code into a nice daemon process. This
all worked nicely but i still have some questions... (please thread-em-up if
you like):
I use a old Pentium 200 box to develop...
Linux leffe 2.2.19 #1 Wed Apr 25 11:10:27 CEST 2001 i586 unknown
model name : Pentium MMX
cpu MHz : 199.741
bogomips : 398.95
total used free shared buffers cached
Mem: 63028 49928 13100 23740 3056 26088
-/+ buffers/cache: 20784 42244
Swap: 136512 103388 33124
I run mysql, apache (compiled in php), postfix and php as cgi for scripting
on the box. In a idle state (98% of the time, even when im developing) the
box has a load of .05 average... no real harm here...
When i try to do ugly things in php the problems emerge:
* after i fork my code with pcntl-fork the load goes up to 3 to 8... i dont
think this is normal for a non-busy machine... after about 5 seconds the
load will drop below 1 and eventualy return to normal with the daemonised
php app still running...
* when i strace my php scripts i see that a lot of time is consumed reading
mibs files for snmp... if i dont use snmp functions in my code, why are
those files read?
* for a php daemon which i want to have running 24x7 i made a 'reload'
function which includes a file with strings which i use to generate 'lambda'
style dynamic functions... when i want to reload my (updated) functions i
only have to send a signal to my daemon and the file is included again, and
a predefined list of variable functions is refeshed by generating new lambda
functions. the real problem here is: i cant unset a lambda function so every
refresh the memory usage of the daemon increses... can you fix this? :P
i know php is not the most superb language to do the things i want to do and
especialy not the fastest... but i hate programming a unforgiving language
as C(++) or a messy language as perl... :)
tnx for any reply and if none i still can live with the fact i abuse php for
more that it is build for
with kind regards,
Joffrey van Wageningen
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