Avanish Pandey created KAFKA-4150: ------------------------------------- Summary: Facing Message Loss When trying rolling updates Key: KAFKA-4150 URL: https://issues.apache.org/jira/browse/KAFKA-4150 Project: Kafka Issue Type: Bug Affects Versions: 0.9.0.1 Reporter: Avanish Pandey
Hi , I am trying to see the settings that I can keep for my kafka cluster. The settings I'am trying are: replication-factor = 3 min.insync.replicas = 2 num of brokers = 3 Scenario: Bring broker1 down. Bring it back up. Bring broker 2 down. Bring it back up. Bring broker 3 down. Bring it back up. There is a delay of at least 1-2 minutes in between the brokers being stopped. Other configs: zookeeper.session.timeout.ms=10000 num.partitions=6 min.insync.replicas=2 log.retention.ms=172800000 message.max.bytes=1000000 log.flush.interval.ms=5000 log.flush.offset.checkpoint.interval.ms=5000 log.roll.hours=24 zookeeper.session.timeout.ms=1000 leader.imbalance.check.interval.seconds=60 unclean.leader.election.enable=false What I am seeing is variable number of messages lost. Where as , when i don't bring kafka down, or just bring 1 broker down and back up, everything is fine. Could you let me know if there is some setting which is wrong or needs correction. -- This message was sent by Atlassian JIRA (v6.3.4#6332)