[Tracker] Findings of demos #15

Feel free to ignore this, this serves mostly as a list for me to track and improve demos

Not adopted in demos

• S3 reference inconsistency spark-k8s-operator#162
• Historicals won't start when setting memory limit druid-operator#359
• Executors don't resolve dependencies spark-k8s-operator#141

Adopted in demos

• Make segment-cache size configurable and use emptyDir for it druid-operator#306
• Compute resources and number of executors are not set spark-k8s-operator#161
• Make repository-sizes dynamic based on pvc sizes nifi-operator#354
• Don't use derby for metadata storage as a default druid-operator#309

Not from demo, but something @sbernauer want's to track anyway

• Port 8080 missing from Service in case tls is disabled trino-operator#299
• microk8s kubelet cannot connect to secret-operator node registrar secret-operator#229
• [Security] Check if druid.client.https.validateHostnames can be turned of druid-operator#372

Not from Stackable

• Structured Streaming writes to iceberg table with non-identity partition spec breaks with spark extensions enabled apache/iceberg#5625