getElementsByName commented on issue #13967:
URL: https://github.com/apache/airflow/issues/13967#issuecomment-776559355
@potiuk
### Problem
- (airflow) The `airflow-xcom-sidecar` container waits a SIGINT signal by
`trap "exit 0" INT;`.
- (airflow) The pod launcher in the airflow package stops the sidecar's main
processor by `kill -s SIGINT 1`
- (k8s) The PID1 process can be a init process made by a container runtime
like the docker.
- In the top example. The sidecar's main process is not PID 1.
- In the top example, the command (`kill -s SIGINT 1`) makes the 137 exit
code.
### Expectation
- The pod launcher can send the SIGINT signal to the sidecar's main process
other than PID 1 .
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