Increasing PHP-FPM Max Children limits per pool

POSTED BY: php_architect ACTIVE_MEMBER POSTED ON: Jun 14, 2026 CATEGORY: GUIDE

Nginx logs show 'server reached max_children setting, consider raising it'. How do I adjust this?

5 Total Upvotes

REPLIES (1)

nginx_guru ACTIVE_MEMBER SOLUTION_ACCEPTED 2026.06.15 04:50

Edit `/etc/php/[version]/fpm/pool.d/[domain].conf`. Increase `pm.max_children` to a higher value based on available RAM. Run `systemctl reload php[version]-fpm` to apply.

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