How GitHub Uses HAProxy
4 engineering articles about HAProxy from GitHub's engineering team
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GitHub discovered that emergency rate-limiting and protection rules added during past abuse incidents had been left in place, quietly blocking legitimate users with 'too many requests' errors durin...
Thomas Kjær Aabo
6 min read
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The article discusses GitHub's MySQL high availability strategy, detailing the transition from a VIP and DNS-based discovery system to a more robust solution utilizing orchestrator, Consul, and GLB.
The article discusses how GitHub mitigates replication lag and reduces read load on MySQL databases using a service called Freno.
The article discusses how GitHub employs context-aware MySQL pools using HAProxy to manage high read loads efficiently.
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