turbaszek commented on a change in pull request #10956:
URL: https://github.com/apache/airflow/pull/10956#discussion_r499535867
##########
File path: airflow/jobs/scheduler_job.py
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@@ -1706,62 +1342,326 @@ def _run_scheduler_loop(self) -> None:
loop_duration = loop_end_time - loop_start_time
self.log.debug("Ran scheduling loop in %.2f seconds",
loop_duration)
- if not is_unit_test:
+ if not is_unit_test and not num_queued_tis and not
num_finished_events:
+ # If the scheduler is doing things, don't sleep. This means
when there is work to do, the
+ # scheduler will run "as quick as possible", but when it's
stopped, it can sleep, dropping CPU
+ # usage when "idle"
time.sleep(self._processor_poll_interval)
+ if self.num_runs > 0 and loop_count >= self.num_runs:
Review comment:
```suggestion
if loop_count >= self.num_runs > 0:
```
WDYT?
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