After more or less 90 seconds of running script via browser (I need to do it via browser - real big report) I get 500 server internal error.
I suspect this is simple timeout issue, I tried in php:
ini_set('max_execution_time', 900); //900 sekund == 5 minut
but it didn't help - from what I read server can override php in this.
I'm not a server guy. Could sombody tell me how to set apache/vesta to have 15 minutes timeout?