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Define "Read Concern" and include it in query requests #2

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tock-ibm opened this issue Jun 7, 2021 · 0 comments

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tock-ibm commented Jun 7, 2021

A read concern specifies if a read must go to the leader or it can go to a follower.

ANY - any server can answer.
LEADER - only the leader can answer.
QUORUM - do consensus on a read as well - stretch goal - implement in another task.

If this is not defined the server will answer reads from the first server hit and will not redirect requests - as in ANY.

If it is specified as "Leader" and the server is a follower it will redirect the request to leader.

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