kafka/config/connect-mirror-maker.properties

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# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
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#    http://www.apache.org/licenses/LICENSE-2.0
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# see org.apache.kafka.clients.consumer.ConsumerConfig for more details

# Sample MirrorMaker 2.0 top-level configuration file
# Run with ./bin/connect-mirror-maker.sh connect-mirror-maker.properties 

# specify any number of cluster aliases
clusters = A, B

# connection information for each cluster
# This is a comma separated host:port pairs for each cluster
# for e.g. "A_host1:9092, A_host2:9092, A_host3:9092"
A.bootstrap.servers = A_host1:9092, A_host2:9092, A_host3:9092
B.bootstrap.servers = B_host1:9092, B_host2:9092, B_host3:9092

# enable and configure individual replication flows
A->B.enabled = true

# regex which defines which topics gets replicated. For eg "foo-.*"
A->B.topics = .*

B->A.enabled = true
B->A.topics = .*

# Setting replication factor of newly created remote topics
replication.factor=1

############################# Internal Topic Settings  #############################
# The replication factor for mm2 internal topics "heartbeats", "B.checkpoints.internal" and
# "mm2-offset-syncs.B.internal"
# For anything other than development testing, a value greater than 1 is recommended to ensure availability such as 3.
checkpoints.topic.replication.factor=1
heartbeats.topic.replication.factor=1
offset-syncs.topic.replication.factor=1

# The replication factor for connect internal topics "mm2-configs.B.internal", "mm2-offsets.B.internal" and
# "mm2-status.B.internal"
# For anything other than development testing, a value greater than 1 is recommended to ensure availability such as 3.
offset.storage.replication.factor=1
status.storage.replication.factor=1
config.storage.replication.factor=1

# customize as needed
# replication.policy.separator = _
# sync.topic.acls.enabled = false
# emit.heartbeats.interval.seconds = 5