[GitHub] [airflow] ashb commented on issue #13026: Scheduler heartbeat adds one second if it is is configured to be 5 or less

[GitBox]

ashb commented on issue #13026:
URL: https://github.com/apache/airflow/issues/13026#issuecomment-743486354


   This seems  better on 2.0.0rc1:
   
   Testing with 2s (a _bit_ noisy)
   
   ```
   2020-12-11 23:50:15.752318 [2.145703 seconds] received message: 
b'airflow.scheduler_heartbeat:1|c'.
   2020-12-11 23:50:18.657482 [2.905164 seconds] received message: 
b'airflow.scheduler_heartbeat:1|c'.
   2020-12-11 23:50:20.763591 [2.106109 seconds] received message: 
b'airflow.scheduler_heartbeat:1|c'.
   2020-12-11 23:50:23.759480 [2.995889 seconds] received message: 
b'airflow.scheduler_heartbeat:1|c'.
   2020-12-11 23:50:25.896743 [2.137263 seconds] received message: 
b'airflow.scheduler_heartbeat:1|c'.
   2020-12-11 23:50:28.718250 [2.821507 seconds] received message: 
b'airflow.scheduler_heartbeat:1|c'.
   2020-12-11 23:50:30.867545 [2.149295 seconds] received message: 
b'airflow.scheduler_heartbeat:1|c'.
   2020-12-11 23:50:33.780438 [2.912893 seconds] received message: 
b'airflow.scheduler_heartbeat:1|c'.
   2020-12-11 23:50:35.899214 [2.118776 seconds] received message: 
b'airflow.scheduler_heartbeat:1|c'.
   2020-12-11 23:50:38.892609 [2.993395 seconds] received message: 
b'airflow.scheduler_heartbeat:1|c'.
   2020-12-11 23:50:41.038221 [2.145612 seconds] received message: 
b'airflow.scheduler_heartbeat:1|c'.
   2020-12-11 23:50:43.891272 [2.853051 seconds] received message: 
b'airflow.scheduler_heartbeat:1|c'.
   2020-12-11 23:50:46.034377 [2.143105 seconds] received message: 
b'airflow.scheduler_heartbeat:1|c'.
   ```
   
   Test with 1s
   ```
   2020-12-11 23:50:54.327609 [1.036089 seconds] received message: 
b'airflow.scheduler_heartbeat:1|c'.
   2020-12-11 23:50:55.402327 [1.074718 seconds] received message: 
b'airflow.scheduler_heartbeat:1|c'.
   2020-12-11 23:50:56.480900 [1.078573 seconds] received message: 
b'airflow.scheduler_heartbeat:1|c'.
   2020-12-11 23:50:58.312181 [1.831281 seconds] received message: 
b'airflow.scheduler_heartbeat:1|c'.
   2020-12-11 23:50:59.357452 [1.045271 seconds] received message: 
b'airflow.scheduler_heartbeat:1|c'.
   2020-12-11 23:51:00.435100 [1.077648 seconds] received message: 
b'airflow.scheduler_heartbeat:1|c'.
   2020-12-11 23:51:01.514030 [1.07893 seconds] received message: 
b'airflow.scheduler_heartbeat:1|c'.
   2020-12-11 23:51:03.437901 [1.923871 seconds] received message: 
b'airflow.scheduler_heartbeat:1|c'.
   2020-12-11 23:51:04.510359 [1.072458 seconds] received message: 
b'airflow.scheduler_heartbeat:1|c'.
   ```
   
   So possible we can close this -- but you tell me.


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