Tag: distributed-systems

All the articles with the tag "distributed-systems".

• DAG Dependencies: Teaching a Job Scheduler to Wait

  4 Apr, 2026

  Adding job dependencies to Workron — a new status, a cycle detection algorithm that guards against a problem that can't happen yet, and a SQL trick for querying into JSON arrays.

• Surviving the Crash: Adding SQLite Persistence Without Touching Business Logic

  27 Mar, 2026

  Swapping Workron's in-memory store for SQLite, and the interface design that made it a one-file change outside the store package.

• Splitting and Surviving Failures: HTTP Workers and Heartbeat Detection in Go

  Updated: 18 Mar, 2026

  Splitting Workron into separate binaries, then solving the harder problem: detecting when a worker dies mid-job without telling anyone.

• Building the Concurrent Monolith: Atomic Job Claiming in Go

  Updated: 14 Mar, 2026

  How to build a job queue where multiple goroutines compete for work without stepping on each other, mutex-protected maps, atomic claiming, and retry logic.