LarsAlmgren opened a new issue #8779:
URL: https://github.com/apache/airflow/issues/8779
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**Apache Airflow version**:
**Kubernetes version (if you are using kubernetes)** (use `kubectl
version`): 1.17.5
**Environment**:
- **Cloud provider or hardware configuration**: AWS
- **OS** (e.g. from /etc/os-release): Ubuntu 16.04.6 LTS
- **Kernel** (e.g. `uname -a`): `Linux salt 4.4.0-1106-aws #117-Ubuntu SMP
Wed Apr 8 09:52:02 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux`
**What happened**:
We switched from `LocalExecutor` to `KubernetesExecutor` and noticed that
the webserver started to get OOM killed by Kubernetes. We solved it by
increasing the memory resources / limit in Kubernetes.
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**What you expected to happen**:
I did not expect the webserver to be dependent on what executor is used.
<!-- What do you think went wrong? -->
**How to reproduce it**:
We ran the webserver before using `KubernetesExecutor` with:
```
resources:
requests:
memory: "1Gi"
cpu: "500m"
limits:
memory: "1Gi"
cpu: "500m"
```
Run the webserver with minimal resources and then switch to
`KubernetesExecutor`.
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**Anything else we need to know**:
We have noticed this in both environments where we started using
`KubernetesExecutor`.
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