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2 posts
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Building a Reusable Load-Test Environment for a Messenger Service — Make-based IaC, Observability, and Auth Seeding
How many TPS can a messenger's send API survive, and where exactly does it break? A 7-node mirror of production, rebuilt on demand from a single Makefile target.
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Why You Should Never Use KeyDB as a Pub/Sub Broker for Centrifugo
KeyDB's active-replica mode looked perfect for a symmetric dual-stack chat at 100K WebSocket connections. Then I found five years of hang and deadlock issues, most still open.
