Changelog Master Feed Bringing Vitess to Postgres (Changelog Interviews #651)
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Jul 23, 2025 Sugu Sougoumarane, creator of Vitess and co-founder of PlanetScale, dives into his journey after a three-year sabbatical, now spearheading Multigress at Supabase. He discusses the motivation behind integrating Vitess with Postgres and shares insights on technical challenges and opportunities. The conversation highlights the evolution of database technologies and the importance of robust testing in scaling applications. Sugu expresses excitement for the open-source community's involvement and the innovative capabilities of Vitess in the Postgres ecosystem.
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Sugu's Sabbatical Reinvention
- Sugu took a three-year sabbatical to reinvent himself and do voluntary work.
- He missed technical challenges and slowly got pulled back into engineering.
Vitesse's Evolution at YouTube
- Vitesse started as a solution for YouTube's frequent database outages.
- It evolved from a connection pooler to a fully distributed sharded database.
Sharding's Hard Aha Moment
- Sharding is an old but underdeveloped concept that requires reinventing to work well at scale.
- The crucial insight was that a sharded system needs to identify query parts that can be executed without modification on underlying databases.