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fix system table replica doc #6430

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merged 3 commits into from
Jun 11, 2021
Merged

fix system table replica doc #6430

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fix system table replica doc
AilinKid Jun 9, 2021
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AilinKid Jun 9, 2021
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Update tiflash/use-tiflash.md
AilinKid Jun 10, 2021
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3 changes: 3 additions & 0 deletions tiflash/use-tiflash.md
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Expand Up @@ -60,6 +60,9 @@ ALTER TABLE `tpch50`.`lineitem` SET TIFLASH REPLICA 0

* 不推荐同步 1000 张以上的表，这会降低 PD 的调度性能。这个限制将在后续版本去除。

注意
> v5.1 版本及其后续版本将不再支持系统表的 replica 设置，在集群升级之前需要将相关系统表的 replica 清除，不然升级到高版本时候将无法再修改系统表的 replica 设置。

## 查看表同步进度

可通过如下 SQL 语句查看特定表（通过 WHERE 语句指定，去掉 WHERE 语句则查看所有表）的 TiFlash 副本的状态：
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