Set default kafka properties

helm/templates/strimzi/kafka-cluster.yaml

@@ -19,6 +19,12 @@ spec:
         configMapKeyRef:
           name: kafka-metrics
           key: kafka-metrics-config.yml
+    config:
+      message.max.bytes: "134217728" # 128 MB
+      replica.fetch.max.bytes: "134217728" #128 MB
+      auto.create.topics.enable: false
+      log.retention.ms: "7200000" # 2h
+      metrics.sample.window.ms: "5000" #5s
   
   kafkaExporter: {}