RoadRunner is capable of monitoring your application and run soft reset (between requests) if necessary. The previous name - limit, current - supervisor
Edit your .rr file to specify limits for your application:
# monitors rr server(s)
http:
address: "0.0.0.0:8080"
pool:
num_workers: 6
supervisor:
# watch_tick defines how often to check the state of the workers (seconds)
watch_tick: 1s
# ttl defines maximum time worker is allowed to live (seconds)
ttl: 0
# idle_ttl defines maximum duration worker can spend in idle mode after first use. Disabled when 0 (seconds)
idle_ttl: 10s
# exec_ttl defines maximum lifetime per job (seconds)
exec_ttl: 10s
# max_worker_memory limits memory usage per worker (MB)
max_worker_memory: 100