scaling-javascript-nodejs
Retries Are Not a Fix. They Are a Liability.
Before you read, run this test If you’re using background jobs, queues, or retries, answer this: If the same task runs twice, does…
#system-design
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scaling-javascript-nodejs
Your Background Jobs Are Not Failing. They Are Lying.
A few months ago, we had a system that was “working fine”. Jobs were getting processed. Workers were running. No errors in logs. B…
Scaling the Boring Stuff: Sending 10 Million Notifications with a Simple Node.js Job Worker
At scale, notifications are not special. They are just one of the most common million job problems you will ever solve. Email, SMS…