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https://issues.apache.org/jira/browse/KAFKA-7500?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16931473#comment-16931473
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Christian Hagel commented on KAFKA-7500:
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[~ryannedolan] increasing the number of tasks and playing around with the
producer.buffer.memory variable helped a lot to get rid of the above-mentioned
error.
However, I think I stumbled over a bug with the topic config syncing. When
starting the mm2 with the following config:
{code:java}
{
"connector.class": "org.apache.kafka.connect.mirror.MirrorSourceConnector",
"source.cluster.alias": "",
"replication.policy.separator": "",
"target.cluster.alias": "B",
"source.cluster.bootstrap.servers": "ip:9092",
"target.cluster.bootstrap.servers": "ip:9093",
"sync.topic.acls.enabled": "false",
"replication.factor": "1",
"internal.topic.replication.factor": "1",
"topics": ".*",
"enabled": "true",
"rename.topics": "false",
"replication.factor": 1,
"refresh.topics": "true",
"refresh.groups": "true",
"sync.topic.configs": "true"
}
{code}
it indeed does create all topics from the source cluster in the target cluster,
with the correct number of partitions.
Other config parameters like cleanup.policy remain in the cluster default. I
thought at first insufficient acls might be the cause, but I replicated the
behavior also with a simple docker-compose setup. Did I miss a configuration?
> 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
> Affects Versions: 2.4.0
> Reporter: Ryanne Dolan
> Assignee: Manikumar
> Priority: Major
> Labels: pull-request-available, ready-to-commit
> Fix For: 2.4.0
>
> Attachments: Active-Active XDCR setup.png
>
>
> Implement 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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