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Posted to jira@kafka.apache.org by "azher khan (Jira)" <ji...@apache.org> on 2020/04/24 11:01:00 UTC
[jira] [Created] (KAFKA-9914) Mirror Maker 2 creates heartbeats
kafka topics recursively
azher khan created KAFKA-9914:
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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
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