How to set up kafka output partition option: hash.hash or key?

Can I set up kafka partitions as follows?
partition: hash
hash.hash to be combination of beat.hostname + source?
key to be the same as beat.hostname + source?

I am wondering what should be the correct syntax for the above setting? I could not find an example.


There is a difference between key based and non-key based hashing. As you want to hash based on hostname and source, you want it to be not-key based (as key will become the kafka key, overwriting recent events).


    hash: ['source', 'beat.hostname']
    random: true # if false non-hashable events will be dropped

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