How to look up how much memory keys with a specific prefix are using in Redis?

Sometimes we would like to better understand how keys in our Redis database are spread across the used memory. That's exactly why Redsmin Memory Analyser exists.

Currently in beta, open Redsmin Next Generation application, then select your server and then the memory analyser parameter interface will show up.

Change my:pattern:here:* with the keys (glob-style pattern) you would like to match against in order to run the memory analyser. Click on Start sampling and you will get a memory usage visualization like this:

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