Knowledge Base

Tips & Tutorials

• How to use Custom Images in Ververica Platform
• How to Drain a Job in Ververica Platform
• How to Access Ververica Platform Web UI Remotely
• How to Turn on DEBUG Logging in Ververica Platform
• How to run Flink jobs via Ververica Platform in additional Kubernetes Namespaces
• How to choose a state backend for a Flink job

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Troubleshooting

• 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
• Deployment fails with: Invalid Flink cluster version: (expected: X.Y)

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

• Failure to start Ververica Platform due to left-over lock