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best-practices: improve wording in pd-scheduling (pingcap#4519)
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ran-huang authored Sep 16, 2020
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Expand Up @@ -42,7 +42,7 @@ aliases: ['/docs-cn/dev/best-practices/pd-scheduling-best-practices/','/docs-cn/

不同的调度器从自身的逻辑和需求出发,考虑各种限制和约束后生成待执行的 Operator。这里所说的限制和约束包括但不限于:

- 不往断连中、下线中、繁忙、空间不足、在大量收发 snapshot 等各种异常状态的 Store 添加副本
- 不往处于异常状态中(如断连、下线、繁忙、空间不足或在大量收发 snapshot 等)的 Store 添加副本
- Balance 时不选择状态异常的 Region
- 不尝试把 Leader 转移给 Pending Peer
- 不尝试直接移除 Leader
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