Categories

Troubleshooting

Nov 12, 2025

Understanding 'Zombie Processes' Found in Linux Top: Their Identity and Solutions

This post explains the causes and solutions for zombie processes found using the top command in Linux, providing practical tips on ps, SIGCHLD, and terminating the parent process.

Nov 04, 2025

Implementing One-Time Tokens and the Pitfalls of `max_age` in Django Signing

This post introduces the limitations of `django.core.signing` and provides examples for implementing one-time tokens using DB and Cache.

Apr 20, 2025

Analysis of on_commit + Celery + ManyToMany Delay Issues in Replica Environments

This post analyzes the delay issues that can occur in replica environments when using transaction.on_commit() and Celery in Django and suggests solutions.