Is the values.heapOptions in cp-ksql-server doing anything? about cp-helm-charts HOT 4 OPEN

How are you measuring usage? RocksDB isn't stored in the JVM heap, nor can it be configured there.

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i am using the default prometheus helm chart, which monitors the ksqldb service, i assume that the total value is JVM + rocksdb cache

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I don't think it does. The JMX exporter will only track JVM heap.

Try something like this to get full container memory usage - https://stackoverflow.com/questions/55143656/prometheus-queries-to-get-cpu-and-memory-usage-in-kubernetes-pods

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thanks for sharing, i will have a look and post my results in here. I really want to get memory management under control, so i will try to set up proper monitoring first

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