# Memory limit errors If composer shows memory errors on some commands: PHP Fatal error: Allowed memory size of XXXXXX bytes exhausted <...> The `memory_limit` ini value should be increased. > **Note:** Composer internally increases the memory_limit to 512M. > It is a good idea to create an issue for composer if you get memory errors. Get current value: php -r "echo ini_get('memory_limit').PHP_EOL;" Increase limit with `php.ini` for a `CLI SAPI` (ex. `/etc/php5/cli/php.ini` for Debian-like systems): ; Use -1 for unlimited or define explicit value like 512M memory_limit = -1 Or with command line arguments: php -d memory_limit=-1 composer.phar <...>