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有关 isolation-level 的表述需要更正 #11833

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@matchge-ca

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@matchge-ca

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For other issues (TiDB, TiKV, etc), please move to other repositories.

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  1. What is the document directory for the problem?

docs-cn/schedule-replicas-by-topology-labels.md

  1. How would you like to improve it?

但假如 isolation-level 设置不为空,值为 zone,这样就规定了 Region 副本在物理层面上的最低隔离要求,也就是说 PD 一定会保证同一 Region 的副本分散于不同的 zone 之上。即便遵循此隔离限制会无法满足 max-replicas 的多副本要求,PD 也不会进行相应的调度。

文档中有关 isolation-level 的表述有点歧义,和 PD 同学沟通后感觉 即便遵循此隔离限制会无法满足 max-replicas 的多副本要求,PD 也不会进行相应的调度。 这个观点不太准确。

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