Knowledge Base

Tips & Tutorials

• How to increase Ververica Platform's artifact upload limit
• How to Configure Kubernetes Resources for Flink Pods in Ververica Platform
• How to Apply Custom Logging Plugin to the Ververica Platform
• How to deal with Deployment Names When Upgrading to Ververica Platform 2.4+
• How to Access Amazon S3 via IRSA on Ververica Platform running on AWS EKS
• How to debug authentication with OIDC in Ververica Platform

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Troubleshooting

• Direct buffer OutOfMemoryError when using Kafka Connector in Flink
• StateMigrationException: The new key serializer must be compatible
• Ververica Platform Deployments stuck in Transitioning state when running in a different namespace
• Multiple Jobs are Started from one Ververica Platform Deployment
• JobManager and TaskManagers fail with org.rocksdb.RocksDBException "Not supported"
• Deployments do not properly shutdown on Ververica Platform

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Frequently Asked Questions (FAQs)

• Should I call uid() after addSource() or addSink()?
• Can the Grafana config be put outside of values.yaml?
• What happens if a task manager is lost?
• Can I scale my Flink job dynamically at runtime?

Known Issues

• Deployments with a very large deployment specification may get stuck
• Failure to start Ververica Platform due to left-over lock