How to Design Idempotent Consumers in Event-Driven Systems
In distributed systems, the network is unreliable. Whether you use Kafka, RabbitMQ, or Amazon SQS, your system will eventually encounter duplicate …
How to Fix RabbitMQ Message Buildup and Unacked Deadlocks
A sudden spike in RabbitMQ message buildup often leads to a "deadlock" state where consumers appear connected but no processing occurs. T…
Preventing Elasticsearch Split-Brain: A Guide to Cluster Consensus
Few scenarios are more terrifying for a database administrator than a split-brain state. In an Elasticsearch cluster, this occurs when a network pa…
How to Build Real-time Collaborative Editing with WebSockets and CRDTs
Building a collaborative tool like Google Docs or Figma introduces a major challenge: how do you handle two people typing in the same spot at the s…