docs: clustered index proposal (#17044)
docs: clustered index proposal (#17044)


pingcap/tidb,pingcap/tidb,pingcap/tidb,kyle-wang/tidb,EvilMcJerkface/tidb,pingcap/tidb,ngaut/tidb,c4pt0r/tidb,c4pt0r/tidb,ngaut/tidb,c4pt0r/tidb,EvilMcJerkface/tidb,ngaut/tidb,XuHuaiyu/tidb,kyle-wang/tidb,pingcap/tidb,kyle-wang/tidb,XuHuaiyu/tidb,kyle-wang/tidb,kyle-wang/tidb,c4pt0r/tidb,coocood/tidb,kyle-wang/tidb,c4pt0r/tidb,coocood/tidb,c4pt0r/tidb,pingcap/tidb,ngaut/tidb,ngaut/tidb,ngaut/tidb