How do Time Series Databases Work?

Опубликовано: 15 Июнь 2026
на канале: Hello Interview
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📝 Full written breakdown: https://hellointerview.com/youtube/ti...
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Stefan explains some of the tricks that make a time series database work.

Excalidraw used in video: https://link.excalidraw.com/l/56zGeHi...

00:00 Intro
01:43 Motivating example
06:12 Techniques Overview
07:07 Append-Only Storage
10:56 LSM Trees
14:52 Delta Encoding
19:20 Block-Level Metadata and Query Planning
25:42 Implementation Fly-By
31:37 Limitations
34:30 Summary and Conclusion

Written version: https://www.hellointerview.com/learn/...

Connect with me on LinkedIn:
  / stefanmai  

Good luck with your upcoming interviews!