OOM Killer Triggered by Excessive PHP-FPM Memory Usage on 2-Core 8GiB Ubuntu Server
✅ Quick Steps to Resolve 1. Check Average Memory Used per PHP-FPM Process Run: ps –no-headers -o rss -C php-fpm8.2 | awk ‘{sum+=$1} END {print sum/NR/1024 ” MiB per process”}’ ➡️ Result: e.g., 96.81 MiB per process 2. Estimate Safe Memory for PHP-FPM ➡️ 6656 / 95 ≈ 70 ✅ Set pm.max_children = 70 3. […]
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