v8.5.6: Add docs about cluster_id row in mysql.tidb (#19831)#21439
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Signed-off-by: Yang Keao <yangkeao@chunibyo.icu>
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cluster_id row in mysql.tidb (#19831)cluster_id row in mysql.tidb (#19831)
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Co-authored-by: Grace Cai <qqzczy@126.com>
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This is an automated cherry-pick of #19831
First-time contributors' checklist
What is changed, added or deleted? (Required)
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cluster_idrow in themysql.tidbtable.Which TiDB version(s) do your changes apply to? (Required)
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What is the related PR or file link(s)?
cluster_idrow inmysql.tidbtable docs#20280cluster_idto themysql.tidbtable tidb#59511Do your changes match any of the following descriptions?