
NameNode
聯盟
|
125
圖
5-2
聯盟名稱節點-叢集頁面(
cluster view
)
範例
5-16
驗證
HDFS
聯盟的功能
# generate around 1GB of junk to play with
[root@hadoop-fed02 conf]# dd if=/dev/zero of=1gb-junk bs=1024 count=$((1024 * 1024))
# put a copy in the slice managed by hadoop-fed01
[root@hadoop-fed02 conf]# sudo -u hdfs ...