The Changelog: Software Development, Open Source

Inside 2021's infrastructure for Changelog.com (Interview)

May 21, 2021
Discover the latest infrastructure updates designed to boost performance and reliability. Insights from a Site Reliability Engineer reveal how to achieve a '10X' speed increase. The discussion dives into the complexities of Kubernetes and the challenges of managing PostgreSQL. Hear about a data loss incident that sparked the need for better documentation. Performance monitoring, user experience, and the importance of caching are explored, along with the introduction of a new podcast that encourages community engagement around tech topics.
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INSIGHT

Complexity Beneath Simplicity

  • Changelog.com's seemingly simple three-tier architecture is deceptive.
  • It involves complex components like certificates, load balancers, DNS, CI/CD, and dependencies.
ANECDOTE

PostgreSQL Replication Woes

  • Changelog.com experienced downtime and data loss due to PostgreSQL replication issues within Kubernetes.
  • The replication stopped, the primary system went down, and the secondary was too far behind.
ADVICE

Simplicity is Best

  • Prioritize simplicity in your infrastructure setup, especially for critical services.
  • A single, well-backed-up PostgreSQL instance can be more reliable than complex, distributed setups.
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