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https://issues.apache.org/jira/browse/SAMZA-807?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15246474#comment-15246474
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Zhengyu Cai commented on SAMZA-807:
-----------------------------------
Hi [~jmakes] and [~TaoFeng], when we switch from
org.apache.samza.container.grouper.stream.GroupByPartitionFactory to
org.apache.samza.container.grouper.stream.GroupBySystemStreamPartitionFactory,
a kafka offset issue would happen if we deploy the same instance again for this
job.
> Need a configuration variable to ignore SystemStreamPartitionGrouperFactory
> changes in checkpoint topic
> -------------------------------------------------------------------------------------------------------
>
> Key: SAMZA-807
> URL: https://issues.apache.org/jira/browse/SAMZA-807
> Project: Samza
> Issue Type: Bug
> Affects Versions: 0.10.0
> Reporter: Yi Pan (Data Infrastructure)
> Assignee: Tao Feng
> Attachments: SAMZA-807.1.patch
>
>
> We have use cases where the user implemented a customized
> SystemStreamPartitionGrouperFactory and later removed it. We should provide a
> configuration to ignore the validation exception in
> KafkaCheckpointLogKey.fromBytes().
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