AI & ML — Tech News

Delayed User Reminders: A 7-Day Queue Limit and Cron Enqueue Pattern

Short answer: For user reminders scheduled more than 7 days ahead, store the due date in the application database, then use cron or a periodic scan…

typescript scheduling queues

Short answer: use the FIFO queue's five-minute duplicate filter to reduce immediate retries, but make a persistent idempotency receipt the authority…

webhooks scheduling python

Expire an e-commerce reservation in the database at its deadline; put rate-limited external work behind a queue, and use a periodic scan to repair m…

node scheduling ecommerce

Use Postgres as the schedule of record for a weekly customer-support digest, let cron wake a Node.js worker, and treat any delayed-job queue as an o…

node postgres scheduling

If you arrived from the Kairos 1.0 announcement , this is the hands-on one: take a crontab you already have and translate it. First, the honest part…

showdev cron scheduling tutorial

Today I tagged 1.0 of Kairos , a schedule definition language I've been building — a small DSL where schedules like "3 business days before month-en…

showdev opensource scheduling dsl

Every scheduled job in my homelab runs through a platform I built called hearth, and one piece of it is a gateway that admits one job at a time to w…

homelab selfhosting systemdesign scheduling

Short answer: use a scheduled HTTP trigger to start a bounded cleanup run, then drain a queue-backed worker pool when the e-commerce workload is lar…

sre node scheduling

Short answer: for a marketplace's weekly digest, let the scheduler identify due active customers, publish small queue messages, and let separate ema…

sre scheduling queues

Short answer: treat local calendar time as schedule data, store the next due instant in UTC, and let a short dispatcher feed a rate-limited worker p…

node scheduling sre

Short answer: use a scheduled cleanup endpoint when one indexed, bounded pass can finish predictably; use a queue when cleanup must be divided into…

node scheduling datacleanup

A patient asked why she got two reminder texts a day when everyone else got one. Fair question. She had two open episodes in my Medicare RTM engine,…

The challenge of scheduling events without plugins Often, we need to delay message delivery in our messaging architectures: for example, sending a r…

csharp scheduling events rabbitmq