nexus/sreweekly/markdown/470/02-scaling-nextdoor-s-datastores-part-2.md

Scaling Nextdoor’s Datastores: Part 2

• 期号: SRE Weekly Issue #470（2025-03-30）
• 作者: Tushar Singla — Nextdoor
• 链接: https://engblog.nextdoor.com/scaling-nextdoors-datastores-part-2-513922e4b4b1

简介

This one is about the difficulties they had with database read replicas that led to developers mostly just sending reads to the primary. They came up with a pretty neat solution to automatically send read queries to the replica when possible.

In case you missed it, here’s part 1.

正文

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