I'd like to open the vote on KIP-415: Incremental Cooperative Rebalancing in Kafka Connect
https://cwiki.apache.org/confluence/display/KAFKA/KIP-415%3A+Incremental+Cooperative+Rebalancing+in+Kafka+Connect a proposal that will allow Kafka Connect to scale significantly the number of connectors and tasks it can run in a cluster of Connect workers. Thanks, Konstantine