Maybe we've worked with different FF systems, but anything that involves a call ... | Hacker News

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hirsin on Feb 2, 2025 | parent | context | favorite | on: It's OK to hardcode feature flags

Maybe we've worked with different FF systems, but anything that involves a call more expensive than an RPC would be lethal to request latency. Calling out to a CDN forty five times per inbound request would be... Infeasible

fizx on Feb 2, 2025 [–]

A background thread long polls the CDN, updating a local hashmap on change.

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