A.ResourceManager B.container C.AppMaster D.NodeManager
在HBase的應(yīng)用開發(fā)中,當(dāng)一個(gè)表的Row key范圍和分布已知,建議預(yù)分region,請(qǐng)問調(diào)用如下代碼(片段)對(duì)某個(gè)表進(jìn)行預(yù)分region后,這個(gè)表會(huì)創(chuàng)建幾個(gè)region//創(chuàng)建一個(gè)預(yù)劃分region的表。() byte[][]splits=newbyte[4][]; splits[0]=Bytes.toBytes(“A”); splits[1]=BytestoBytes(“H”); splits[2]=Bytes.toBytes(“O”); splits[3]=BytestoBytes(“U”); admin.create Table(htd,splits);
A.3 B.4 C.5 D.6