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perf(gthread): reduce unnecessary polling #3319

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perf(gthread): reduce unnecessary polling #3319

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787c914
perf(gthread): Use request timeout / 2 for epoll timeout
ankush Oct 29, 2024
974c6e5
fix(gthread): Consider keepalived connections while blocking
ankush Oct 30, 2024
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1 change: 1 addition & 0 deletions THANKS
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@ Andreas Stührk <[email protected]>
Andrew Burdo <[email protected]>
Andrew Svetlov <[email protected]>
Anil V <[email protected]>
Ankush Menat <[email protected]>
Antoine Girard <[email protected]>
Anton Vlasenko <[email protected]>
Artur Kruchinin <[email protected]>
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3 changes: 3 additions & 0 deletions docs/source/settings.rst
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Expand Up @@ -1793,3 +1793,6 @@ set this to a higher value.
``sync`` worker does not support persistent connections and will
ignore this option.

.. note::
When the worker becomes idle, some connections may remain open for
up to twice the specified keepalive value.
7 changes: 6 additions & 1 deletion gunicorn/workers/gthread.py
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Expand Up @@ -206,8 +206,13 @@ def run(self):

# can we accept more connections?
if self.nr_conns < self.worker_connections:
# Block for new events until worker times out or keepalive timeout.
select_timeout = self.timeout or 1.0
if self._keep:
select_timeout = min(select_timeout, self.cfg.keepalive)

# wait for an event
events = self.poller.select(1.0)
events = self.poller.select(select_timeout)
for key, _ in events:
callback = key.data
callback(key.fileobj)
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