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Don't enable gunicorn's preload_app in development #249

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Jan 16, 2025
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Don't enable gunicorn's preload_app in development #249

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7 changes: 4 additions & 3 deletions gunicorn.conf.py
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Original file line number Diff line number Diff line change
Expand Up @@ -38,9 +38,6 @@
# Each `gthread` worker process will use a pool of this many threads.
threads = 5

# Load the app before the worker processes are forked, to reduce memory usage and boot times.
preload_app = True

# Workers silent for more than this many seconds are killed and restarted.
# Note: This only affects the maximum request time when using the `sync` worker.
# For all other worker types it acts only as a worker heartbeat timeout.
Expand All @@ -63,6 +60,10 @@
# Automatically restart gunicorn when the app source changes in development.
reload = True
else:
# Load the app before the worker processes are forked, to reduce memory usage and boot times.
# We don't enable this in development, since it's incompatible with `reload = True`.
preload_app = True

# Use `SO_REUSEPORT` on the listening socket, which allows for more even request
# distribution between workers. See: https://lwn.net/Articles/542629/
# We don't enable this in development, since it makes it harder to notice when
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