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changes.mady.by.user Calvin Liu

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changes.mady.by.user Calvin Liu

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  • min.insync.replicas will no longer be effective to be larger than the replication factor. For existing configs, the min.insync.replicas will be min(min.insync.replicas, replication factor).

  • Cluster admin should update the min.insync.replicas to 1if they want to have the replication going when there is only the leader in the ISR.

  • Note that, this new requirement is not guarded by any feature flags/Metadata version.

ELR

It will be guarded by a new metadata version and the eligible.leader.replicas.enabled. So it is not enabled during the rolling upgrade.

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