KIbana Status is Yellow and I the pods become unavailable

Elastic Stack Kibana
1

Hello Everyone,

I am running the Elastic stack on Kubernetes. Recently I starting having timeouts on my kibana pods, getting alerts and in the kibana dashboard a few of the instances become yellow. I have 4 pods (instances) running and after 15-20 minutes they cleared by themselves. Kibana overall is still available, I just get the alerts and also in the Kibana instances section (Clusters> myesdb >Kibana) I get status on one or sometimes a few of the instances and the overall status changes to yellow. I added more RAM, added more pods (we used to have 2 now 4) in case that it was a timeout based on resources but it keeps happening on the daily bases. What does it mean in Kibana the status yellow? does anyone know?

Also I checked on the logs and this is the only error I have been able to gather from the kibana pods:

{"type":"log","@timestamp":"2022-08-20T03:11:54+00:00","tags":["error","plugins","alerting"],"pid":8,"message":"Executing Alert infrastructure:xpack.uptime.alerts.monitorStatus:d9cef256-a033-485a-802c-6b8676afa2ae has resulted in Error: params invalid: [shouldCheckStatus]: expected value of type [boolean] but got [undefined]"}

Not sure if that says anything but I do not know what else to do or where else to look. I have added to my yaml this much resources:

resources:
          requests:
            memory: 4Gi
            cpu: 200m
          limits:
            memory: 4Gi
            cpu: 2

has anyone have any pointers or have had any similar situation with Kibana? any help it would be greatly appreciated.

Thanks

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