Re: [gentoo-user] [OT] PHP memory problem

[Michael Orlitzky]

On 04/13/2011 02:42 PM, Dan Johansson wrote:
> I know this is Off-topic but I also know there are a lot of smart people
> "lurking" on this list.
>
> I have a PHP-script that does not run from a web-server but directly in a
> shell. When I run it I get the following error:
>
> # ./dj.php
> PHP Fatal error:  Allowed memory size of 100663296 bytes exhausted (tried to
> allocate 104 bytes) in /usr/local/scripts/includes/dj.inc on line 79
> Allowed memory size of 100663296 bytes exhausted (tried to allocate 24 bytes)
>
> My scripts starts with:
> #!/usr/bin/php
> <?php
>
> ini_set('memory_limit', '4192M');
>
> include "dj.inc";
>
> And in php.ini I have:
> memory_limit = 1G      ; Maximum amount of memory a script may consume
>
> Why does PHP not honor my memory limits?
> I have set 1GB in php.ini and 4192MB (I know that is more then 1GB) and the
> scripts fails at 100663296 bytes (~ 96MB). I have also tried with other memory
> settings but I always end up with with the failure at ~96MB. The host has
> enough RAM (32GB) to support the script.
>
> Any suggestions on how to solve the issue (short of rewriting the script in C
> or C++)?

The use of 'G' as a unit was only "recently" added, in PHP 5.1.0. Try
using 'M' instead, and multiplying by 1024.

I would also suggest using a number under 4 gigabytes, as you risk
overflowing a 32-bit integer. Does '3072M' work?