Failure is Not an Option: Highly Available Distributed SQL

on YouTube ↗24m

" summary

YugabyteDB is a geo-distributed SQL database that uses DocDB + Postgres YSQL/YCQL APIs, Raft-based replication and automatic sharding to survive node, AZ and region failures. Claim: to tolerate n node failures configure RF = 2n+1; implementation uses Raft consensus with tablet leaders and followers. Demo: a 3‑node, 3‑region cluster loses one node and continues serving reads/writes with minimal disruption. Production case: Plume serves ~27 billion ops/day and survives an AWS region outage.

AI-written summary · about

" chapters (6)

1. 0:00Introduction
2. 0:28Layered Architecture
3. 8:52Availability Zone Failure
4. 11:42Region Failure
5. 12:53Demo
6. 19:00Issues in Tech

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