Hi,
I just created KIP-279 to fix edge cases of log divergence for both clean and unclean leader election configs. https://cwiki.apache.org/confluence/display/KAFKA/KIP-279%3A+Fix+log+divergence+between+leader+and+follower+after+fast+leader+fail+over The KIP is basically a follow up to KIP-101, and proposes a slight extension to the replication protocol to fix edge cases where logs can diverge due to fast leader fail over. Feedback and suggestions are welcome! Thanks, Anna