The ProdFix Blog

Shadow traffic duplicates production requests for testing. Here's what it is and when to use it.

Graceful shutdown completes in-flight requests before stopping. Here's why it matters and how to implement it.

Connection pooling prevents database connection exhaustion in serverless environments.

Idempotent operations are safe to retry. Here's what idempotency means and how to implement it.

Eventual consistency enables distributed systems but creates bugs. Here's what it means in practice.

Backpressure prevents memory exhaustion in streaming systems. Here's what it is and how to handle it.

Tail latency (P99, P999) affects your slowest users. Here's what it means and how to measure it.

Cascading failures turn one service outage into a total system failure. Here's what they are and how to prevent them.

Retry storms overwhelm failing services with repeated requests. Here's what they are and how to prevent them.

Thundering herd happens when many clients hammer a resource simultaneously. Here's the prevention patterns.