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fix(puma): raise production worker_timeout 12s->60s (env-tunable) #17

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Merged
rrader26 merged 1 commit into from
Jul 6, 2026
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fix(puma): raise production worker_timeout 12s->60s (env-tunable) #17

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5 changes: 4 additions & 1 deletion config/puma.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,10 @@
# terminating a worker in development environments.
#
worker_timeout 3600 if ENV.fetch("RAILS_ENV", "development") == "development"
worker_timeout 12 if ENV.fetch("RAILS_ENV", "production") == "production"
# In production a worker that misses its heartbeat is killed by the master. The
# previous 12s was too tight under CPU pressure and caused mass worker thrash on
# busy nodes. Default to Puma's 60s and allow tuning without an image rebuild.
worker_timeout ENV.fetch("PUMA_WORKER_TIMEOUT", 60).to_i if ENV.fetch("RAILS_ENV", "production") == "production"

worker_shutdown_timeout 30
on_worker_boot do
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