CDNs & Load Balancing
Moving content closer, and spreading requests across machines.
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Removing a broken server
Foundation
- Not triedRemoving a broken serverFoundation
- Not triedWhat a CDN actually reducesFoundation
- Not triedWhat a CDN cannot cacheFoundation
- Not triedWhat the hit ratio measuresFoundation
- Not triedAnswering differently by locationCore
- Not triedBalancing at layer 4 or layer 7Core
- Not triedChoosing a backendCore
- Not triedLoad balancing the restpart of Results day takes the site downCore
- Not triedLogged out at random, behind a load balancerCore
- Not triedMaking the cache workpart of Results day takes the site downCore
- Not triedPinning a user to one serverCore
- Not triedRemoving a server without dropping requestsCore
- Not triedRemoving something from every edgeCore
- Not triedRunning code at the edgeCore
- Not triedUsers are running last week’s JavaScriptCore
- Not triedWhat belongs on a CDNpart of Results day takes the site downCore
- Not triedWhere TLS endsCore
- Not triedAbsorbing an attackChallenge
- Not triedEvery user appears to come from one addressChallenge
- Not triedEveryone retrying at onceChallenge
- Not triedOne address in many placesChallenge
- Not triedProtecting the origin from its own edgesChallenge
- Not triedThe health check that says everything is fineChallenge