Debugging planning issues using Calcite's built in loggers

Talk by Alessandro Solimando and Stamatis Zampetakis at Calcite Virtual Meetup March 2023.

Wrong results, high memory usage (OutOfMemoryError, GC pauses, etc), unresponsive server, infinite planning time, are some common issues that may arise when using Calcite and in general a query processor in production systems.

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