I have a need for a distributed data store, where existing solutions may not work as the computers these will be running on will be extremely resource limited, for instance 64-128MB RAM. Plus, as a fun exercise.
I’m looking at writing a simple implementation of the RAFT algorithm, however the data store, which will simply be a collection of key/values, may have clients updating any of the nodes at any time, and must keep consistency among the entire cluster.
I was thinking of having a node, every time when updated from a client, calculate a hash, then get consensus/confirmation from the other members of the cluster on the old and new hashes and commit, once that is gotten from a majority. Would that ensure orderly updates when two members are updated simultaneously? Any thoughts on implementing this?
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