Practitioner · 4 weeks · Async lab
PySpark DataFrame Performance Clinic
Shuffle partitions, AQE toggles, and skew hints taught as measurable experiments—not folklore copied from forums.
- ▹ Explain plans
- ▹ Cache boundaries
- ▹ Spill tracing
Certificate track: Included with rubric checkpoints
720,000 KRW
VAT listed separately on invoices · installment totals disclosed before signature