Dimpact integratieteam: Add resource requests and limits to the Team Bron components

[alextreme]

For the Team Bron components:

• Open Zaak
• Open Notificaties
• Open Objecten
• Open Klant

The request is to ensure default resource requests and resource limits are in place in the helm charts, for each of the containers within the chart (eg. including celery, beat etc).

This issue entails for the 4 components specified:

• Verifying the average resource usage under load, and setting these values as resource requests
• Determining a workable resource limit per component (note that the pod will be restarted as soon as memory limit is reached! Too low self-defined limits have created unnecessary incidents in the past)
• Releasing the helm charts with these changes

COMP020-resource-recommendations

Applications MUST specify:

• Requests (Guaranteed Resources):
• Minimum CPU (in millicores)
• Minimum Memory (in MB/GB)
• These represent guaranteed allocation

Limits (Maximum Resources):

• Maximum CPU (in millicores)
• Maximum Memory (in MB/GB)
• Prevents resource hogging

[Floris272]

TODO

• Create locust peformance tests for ON, OK & Objects (see OZ performance test for example) with representable data.
• Define mininmum requirements
• Decide on how to define the maximum requirements

estimate: 3 weeks