Parallel task execution requires careful tuning at high volumes

Configuration and optimization of parallel task execution becomes non-trivial when scaling to very high volumes or distributing across many nodes. Luigi's concurrency handling is less robust than other pipeline management tools, making it difficult to optimize for distributed execution.

Test concurrency settings in staging environment before production deployment. Start with conservative parallelism limits and increase gradually while monitoring resource utilization. Measure task throughput and completion times at different concurrency levels. Consider alternative tools if highly distributed execution is required.