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Please keep the discussion on the mailing list rather than commenting on the wiki (wiki discussions get unwieldy fast).

Motivation

With KIP-595 we are shipping in a kafkaesque raft implementation  ships a Kafkaesque Raft algorithm to serve as the foundation of metadata quorum.

Proposed Changes

We are adding two standard We migrated and customized the Raft protocol to fit in metadata replication need, but the exploration does not end with just the basic replication and leader election. There are more standard features described in the Raft literature, which are very useful in general production system as well as in Kafka context. In this follow-up KIP,  we would like to ship two major features, the pre-vote and non-leader linearizable read.

Proposed Changes

Pre-vote

In the context of

Public Interfaces

Briefly list any new interfaces that will be introduced as part of this proposal or any existing interfaces that will be removed or changed. The purpose of this section is to concisely call out the public contract that will come along with this feature.

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