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https://issues.apache.org/jira/browse/KAFKA-10182?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17139155#comment-17139155
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huxihx commented on KAFKA-10182:
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You could use `Admin.createPartitions` API to increase partition count for this
internal topic.
> Change number of partitions of __consumer_offsets
> --------------------------------------------------
>
> Key: KAFKA-10182
> URL: https://issues.apache.org/jira/browse/KAFKA-10182
> Project: Kafka
> Issue Type: Improvement
> Reporter: Xu Zhang
> Priority: Major
>
> {{currently __consumer_offsets}} cannot be changed for the lifetime of the
> cluster, and it's generally a really bad idea to change the number of
> partitions for __consumer_offsets after it is initially created. Because
> hashing for consumer group name to partition to change, which means the group
> coordinator will have no history.
>
> Is there a way to change the number of partitions for __consumer_offsets?
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