[KV Feedback]: Check for keys existence without values

[kewp]

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Type of feedback

Feature request

Description

I'm trying to keep a cache fresh without using up my KV reads. Right now whenever I use get or list I get the value as well which uses up my read quota. Would be great if I could just see if the key(s) are there.

Steps to reproduce (if applicable)

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Expected behavior (if applicable)

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Possible solution (if applicable)

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Additional context

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[kewp]

I've thought of a solution to this issue in the interim, for anyone coming here - hashing. What I can do is hash the contents, the value, of the kv store, and then I can just check the hash if the contents have changed (i.e. save the hash in another key, so each value in kv is paired with a hash). Before I was just letting the key expire, or pull down the value and compare, but pulling down uses the read limit ...