get function

In kafka there is a Subscribe API to be notified of incoming message values from a topic. I didn't see a Get(key, topic) function. I mean a Get function to retreive a value from a key inside a topic. Isn't this feature implemented? (Like in Redis). If it doesn't exists, do you think is is easy

using kafka log compaction withour key

Hello, Is is possible to use log compaction without key? I think in that case buffer will contain only one line of data value? Is that correct? thanks

test

test