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Thank you for the feedback, this is helpful!

One of the features we're excited about adding is a way to cache values locally. Having control of cache ttl and refresh intervals would be a must if we added that. You're right that the tool should just work without the developer worrying about affecting latency.

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I’m sure you are already considering this but you’ll probably want the ability to “background” update the local cache so that you don’t have a request hang randomly every X minutes. Also might be nice to specify “I’m ok with a potentially old cache value” on a per-key basis. In my case I think I’d always be fine with “if you can’t reach the config server just use what you last got”.

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