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Distributed systems, event-driven architecture and the trade-offs behind them.RSS ↗

Cluster Sharding
Effect TS Cluster
Event-Driven Architecture
Pekko Cluster
Software Architecture
Actors
Messaging

Series · Architectural trade-offs building EDA with Cluster Sharding: Effect vs Pekko

Part 125 Oct 2026

One Dad per chat: virtual actors in Effect and Pekko

Part 1 of rebuilding Effect TS Cluster's DadBot with Pekko Cluster Sharding: why the naive webhook handler repeats jokes, and what changes when every chat gets its own sharded entity.

Part 227 Oct 2026

Three nodes, one Dad: messaging and shard placement in Effect and Pekko

Part 2 of rebuilding Effect TS Cluster's DadBot with Pekko Cluster: Dad waits for the chat to go quiet, the cluster grows to three nodes, and two very different answers to the question of who decides where a Dad lives.