azher khan created KAFKA-9914: --------------------------------- Summary: Mirror Maker 2 creates heartbeats kafka topics recursively Key: KAFKA-9914 URL: https://issues.apache.org/jira/browse/KAFKA-9914 Project: Kafka Issue Type: Bug Components: mirrormaker Affects Versions: 2.0.0 Reporter: azher khan
Hi Team, I configured Mirror Maker 2 to run on a Pod configuring the Kafka brokers in our environments marking '10.X.X.YY' Kafka broker as primary and '10.X.Y.XY' as backup. // code placeholder clusters=kafka,backup kafka.bootstrap.servers=10.X.X.YY:9092 backup.bootstrap.servers=10.X.Y.XY:9092 kafka->backup.enabled=true kafka->backup.topics=az.* backup->kafka.enabled=false sync.topic.acls.enabled=true I was able to run Mirror Maker 2 successfully and was also able to take backup of the identified topics (starting with 'az'). However I could see many kafka topics with the suffix 'heartbeats' created in recursion (See below the list of topics with 'kafka.*.heartbeats'). This could be because i triggered the 'connect-mirror-maker.sh' several times to test backing up other topics I have 2 queries # How to avoid having 'kafka.*.heartbeats' topic being created using Mirror Maker 2 # Once Mirror Maker 2 has backed up a topic say 'azherf1test' . What is the best way to rollback changes made by Mirror Maker (ie delete all the topics created by Mirror Maker 'kafka.azherf1test' and supporting topics) ensuring the stability of existing/source topics and Kafka broker. We are testing Mirror Maker and want to ensure we are able to roll back the changes without affecting the Kafka topics/brokers) // code placeholder azherf1test heartbeats kafka-client-topic mm2-configs.backup.internal mm2-configs.kafka.internal mm2-offset-syncs.backup.internal mm2-offsets.backup.internal mm2-offsets.kafka.internal mm2-status.backup.internal mm2-status.kafka.internal kafka.azherf1test kafka.checkpoints.internal kafka.heartbeats kafka.kafka.heartbeats kafka.kafka.kafka.heartbeats kafka.kafka.kafka.kafka.heartbeats kafka.kafka.kafka.kafka.kafka.heartbeats kafka.kafka.kafka.kafka.kafka.kafka.heartbeats kafka.kafka.kafka.kafka.kafka.kafka.kafka.heartbeats kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.heartbeats kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.heartbeats kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.heartbeats kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.heartbeats kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.heartbeats kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.heartbeats kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.heartbeats kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.heartbeats kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.heartbeats kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.heartbeats kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.heartbeats kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.heartbeats kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.heartbeats kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.heartbeats kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.heartbeats kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.heartbeats kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.heartbeats kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.heartbeats kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.heartbeats kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.heartbeats kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.kafka.heartbeats -- This message was sent by Atlassian Jira (v8.3.4#803005)