nexus/sreweekly/markdown/36/07-context-aware-mysql-pools-via-haproxy.md

Context aware MySQL pools via HAProxy

• 期号: SRE Weekly Issue #36（2016-08-21）
• 作者: Thanks to Devops Weekly for this one.
• 链接: http://githubengineering.com/context-aware-mysql-pools-via-haproxy/

简介

Github uses HAProxy to balance across is read-only MySQL replicas, which is a common method. Their technique for excluding lagging nodes while avoiding entirely emptying the pool if all nodes are lagging is pretty neat.

正文

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