Node.js APIs using synchronous database connections typically collapse under load (1,000 req/s) because connection pools exhaust and the event loop blocks on stalled queries. This cascading failure pattern is architectural, not a code bug, making it critical for backend engineers to understand and mitigate before production traffic spikes. Introducing message brokers like Kafka or BullMQ between the API and database decouples these layers, allowing controlled processing rates that prevent system collapse.
Read the full article at System Weakness - Medium
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Ali NematiWritten by Ali
