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server: decommissioning with replication factor one causes outage #27026

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server: decommissioning with replication factor one causes outage#27026
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A-kv-clientRelating to the KV client and the KV interface.C-enhancementSolution expected to add code/behavior + preserve backward-compat (pg compat issues are exception)S-0-corruption-or-data-lossUnrecoverable corruption, data loss, or other catastrophic issues that can’t be fixed by upgrading.
@tim-o

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@tim-o
tim-o
opened on Jun 27, 2018

Is this a question, feature request, or bug report?

FEATURE REQUEST

In multi-node clusters, it's still possible to set replication factor to 1. This can lead to unexpected results, and makes it impossible to survive failure. See #27025 as an example.

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    A-kv-clientRelating to the KV client and the KV interface.C-enhancementSolution expected to add code/behavior + preserve backward-compat (pg compat issues are exception)S-0-corruption-or-data-lossUnrecoverable corruption, data loss, or other catastrophic issues that can’t be fixed by upgrading.

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