# Keeping CALM: When Distributed Consistency Is Easy

- **期号**: SRE Weekly Issue #239（2020-10-11）
- **作者**: Joseph M. Hellerstein and Peter Alvaro — Communications of the ACM
- **链接**: https://cacm.acm.org/magazines/2020/9/246941-keeping-calm/fulltext

## 简介

Coordination between nodes in a distributed system can kill performance. What kinds of problems require coordination? The CALM theorem can tell us.

## 正文

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