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https://issues.apache.org/jira/browse/KAFKA-15144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17740748#comment-17740748
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Edoardo Comar edited comment on KAFKA-15144 at 7/6/23 8:56 PM:
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I'll rather rewrite our test expecting the record to be found consuming no more
than offset.lag.max=100 records from the target cluster, starting from the last
checkpoint
was (Author: ecomar):
I'll rather rewrite our test expecting the record to be found consuming no more
than offset.lag.max=100 records from the target cluster
> MM2 Checkpoint downstreamOffset stuck to 1
> ------------------------------------------
>
> Key: KAFKA-15144
> URL: https://issues.apache.org/jira/browse/KAFKA-15144
> Project: Kafka
> Issue Type: Bug
> Components: mirrormaker
> Reporter: Edoardo Comar
> Assignee: Edoardo Comar
> Priority: Major
> Attachments: edo-connect-mirror-maker-sourcetarget.properties
>
>
> Steps to reproduce :
> 1.Start the source cluster
> 2.Start the target cluster
> 3.Start connect-mirror-maker.sh using a config like the attached
> 4.Create a topic in source cluster
> 5.produce a few messages
> 6.consume them all with autocommit enabled
>
> 7. then dump the Checkpoint topic content e.g.
> {{% bin/kafka-console-consumer.sh --bootstrap-server localhost:9192 --topic
> source.checkpoints.internal --from-beginning --formatter
> org.apache.kafka.connect.mirror.formatters.CheckpointFormatter}}
> {{{}Checkpoint{consumerGroupId=edogroup,
> topicPartition=source.vf-mirroring-test-edo-0, upstreamOffset=3,
> {*}downstreamOffset=1{*}, metadata={}}}}
>
> the downstreamOffset remains at 1, while, in a fresh cluster pair like with
> the source topic created while MM2 is running,
> I'd expect the downstreamOffset to match the upstreamOffset.
> Note that dumping the offset sync topic, shows matching initial offsets
> {{% bin/kafka-console-consumer.sh --bootstrap-server localhost:9192 --topic
> mm2-offset-syncs.source.internal --from-beginning --formatter
> org.apache.kafka.connect.mirror.formatters.OffsetSyncFormatter}}
> {{{}OffsetSync{topicPartition=vf-mirroring-test-edo-0, upstreamOffset=0,
> downstreamOffset=0{}}}}
>
>
>
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