xuzq created KAFKA-5331:
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Summary: MirrorMaker can't guarantee data is consistent between
clusters
Key: KAFKA-5331
URL: https://issues.apache.org/jira/browse/KAFKA-5331
Project: Kafka
Issue Type: Improvement
Components: core, tools
Affects Versions: 0.10.2.1
Reporter: xuzq
Priority: Critical
MirrorMaker can't guarantee data is consistent between clusters although the
topic partition Numbers are equal.
If we want to copy data from the old cluster to the new cluster, at the same
time guaranteeing the data consistency, we have no choice but to code a
MirrorMakerMessageHandler type of class manually to achieve it.
I think we can add a parameter to say whether or not you want to ensure the
order, such as data.consistency and default value is true.
Of course, you can set data.consistency = false, if you don't want the data in
order between clusters or some topic partition Numbers are not equal between
clusters.
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