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connection_pool: fix excessive idle CPU usage while waiting for requests #336

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Merged
Mockird31 merged 1 commit into from
Jul 16, 2026
+8 −2
Merged

connection_pool: fix excessive idle CPU usage while waiting for requests #336

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2 changes: 2 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -12,6 +12,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0

### Fixed
- Set upper bound for version of setuptools (PR #342).
- Reduce idle CPU usage in `ConnectionPool` while waiting for
queued requests (PR #336).

## 1.2.0 - 2024-03-27

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8 changes: 6 additions & 2 deletions tarantool/connection_pool.py
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Expand Up @@ -660,8 +660,12 @@ def _request_process_loop(self, key, unit, last_refresh):
"""

while unit.request_processing_enabled:
if not unit.input_queue.empty():
task = unit.input_queue.get()
try:
task = unit.input_queue.get(timeout=self.refresh_delay)
except queue.Empty:
task = None

if task:
method = getattr(Connection, task.method_name)
try:
resp = method(unit.conn, *task.args, **task.kwargs)
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