hello ,
we have installed EFK stack in kubernetes using the helm chart efk-stack.But there is a issue that sometimes its not possible to create a index pattern in kibana. Even if it succeeds  the Index pattern gets deleted after some time.
NAME            REVISION        UPDATED                         STATUS          CHART                 APP VERSION      NAMESPACE
invited-boxer   1               Fri Nov  1 06:03:32 2019        DEPLOYED        elasticsearch-0.1.0                    devops
pods
NAME                                           READY   STATUS    RESTARTS   AGE
invited-boxer-elasticsearch-logging-0          1/1     Running   0          8h
invited-boxer-elasticsearch-logging-1          1/1     Running   0          8h
invited-boxer-fluentd-es-8bhrf                 1/1     Running   0          8h
invited-boxer-fluentd-es-cbrz2                 1/1     Running   0          8h
invited-boxer-fluentd-es-p6526                 1/1     Running   0          8h
invited-boxer-kibana-logging-f885c8d88-wr827   1/1     Running   0          8h
            

