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https://issues.apache.org/jira/browse/KAFKA-7500?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16847632#comment-16847632
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Ryanne Dolan commented on KAFKA-7500:
-------------------------------------

[~Munamala] thanks for trying it out!

> The topics are created with a replication factor 1

There is a property `replication.factor` that you can change as needed to 
prevent this issue. This can be set across all clusters or for a specific 
cluster, e.g. `my-cluster.replication.factor = 4`, and MM2 will use this value 
when creating topics.

[~arunmathew88] suggested we bump the default replication factor to 2. It would 
be cool if MM2 could figure this value out based on the downstream cluster's 
min ISRs -- maybe a future KIP?

> How are the topics created: source.checkpoints.internal and heartbeats?

Currently they are not being actively created -- we sorta assume the downstream 
brokers are configured to auto-create topics, or that the internal topics are 
manually created. It's a good idea to fix this, thanks.

> Is this the right forum to ask questions during the evaluation?

Yes, thanks!

Ryanne

> MirrorMaker 2.0 (KIP-382)
> -------------------------
>
>                 Key: KAFKA-7500
>                 URL: https://issues.apache.org/jira/browse/KAFKA-7500
>             Project: Kafka
>          Issue Type: New Feature
>          Components: KafkaConnect, mirrormaker
>            Reporter: Ryanne Dolan
>            Priority: Minor
>             Fix For: 2.4
>
>
> ImplementĀ a drop-in replacement for MirrorMaker leveraging the Connect 
> framework.
> [https://cwiki.apache.org/confluence/display/KAFKA/KIP-382%3A+MirrorMaker+2.0]
> [https://github.com/apache/kafka/pull/6295]



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