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Table of Contents


Current state: "Under DiscussionAdopted"

Discussion thread: here

Vote thread: here

JIRA: here


In KIP-429: Kafka Consumer Incremental Rebalance Protocol, we proposed a new version of consumer protocol for cooperative rebalance (a.k.a incremental rebalance protocol). It adds a new field "ownedPartition" into the "subscription" and "assignment" data, and one of the purpose of the new "ownedPartition" field is for the assignors and to do "sticky" assignment dependent on the "ownedPartitions". Like in the "CooperativeStickyAssignor and custom COOPERATIVE Assignors" section of KIP-429, it said: