Celery PENDING State: It Means 'Unknown,' Not 'Queued'
Celery's PENDING state means 'unknown,' not 'waiting in queue.' Learn why AsyncResult lies, which config flags to enable, and how to debug stuck tasks.
7 min read
Blog
Guides and deep dives on Celery monitoring, debugging, and production operations.
Celery Worker OOM Detection: Find Silent Memory Kills
Linux's OOM killer terminates Celery workers with no traceback or alert. Learn how to detect OOM kills, prevent memory leaks, and keep task queues healthy.
7 min read
How to Debug Celery Task Failures: A Complete Guide
Diagnose and fix the 8 most common Celery task failure causes — from silent OOM kills to serialization errors — with production-tested solutions.
12 min read
How to Monitor Celery Beat Schedules (And Catch Missed Jobs)
Celery Beat has no built-in health check. Learn how to detect a dead scheduler, diagnose silent failures, and set up monitoring that actually works.
8 min read
Why We Built Sluice — Celery Monitoring Done Right
Celery has tens of millions of monthly downloads and zero dedicated monitoring. We built the commercial celery monitoring tool the ecosystem has been missing.
7 min read