Posts

All the articles I've posted.

• Awk Text Processing: Tutorial and Practical Examples

  3 Feb, 2020

  From basic syntax to real-world examples, a comprehensive guide to the Linux Awk text processing tool — covering variables, arrays, user-defined functions, and advanced techniques like group-by statistics.

• A Production Redis Connection Alarm Incident

  16 Dec, 2019

  Troubleshooting a production Redis cluster alarm where connections exceeded 80% capacity — analyzing the root cause, investigation steps, and how to optimize Redis client connection pool configuration.

• A Production K8s Ephemeral Storage and Eviction Incident

  31 Oct, 2019

  Troubleshooting a production Kubernetes incident where containers were evicted due to ephemeral storage exhaustion — analyzing the ephemeral storage mechanism, eviction policies, and the final solution.