Choosing the right tool
Memory caps worker count while request time and CPU work shape throughput. Check all of these limits together, then validate the plan under representative load.
Explore how workload assumptions affect a server resource budget.
Relate request worker capacity to an explicit request rate per active user.
Open calculatorEstimate aggregate CPU demand from request rate and measured CPU time per request.
Open calculatorEstimate a memory-based starting point for PHP-FPM’s maximum worker count.
Open calculatorCheck whether planned service allocations fit within a server’s RAM budget.
Open calculatorMemory caps worker count while request time and CPU work shape throughput. Check all of these limits together, then validate the plan under representative load.