安裝目錄為：/usr/local
1.配置基本環境變數
對zookeeper-3.4.5.tar.gz進行解壓縮：tar-zxvf zookeeper-3.4.5.tar.gz
對zookeeper目錄進行重新命名：mvzookeeper-3.4.5 zk
配置zookeeper相關的環境變數
vi .bashrc
export zookeeper_home=/usr/local/zk
export path=$zookeeper_home/bin
source .bashrc
修改配置檔案zk/conf
2.修改zoo.cfg
mv zoo_sample.cfg zoo.cfg
vi zoo.cfg
修改：datadir=/usr/local/zk/data
新增：server.0=spark1:2888:3888
server.1=spark2:2888:3888
server.2=spark3:2888:3888
3.設定zookeeper節點標識
cd zk
mkdir data
cd data
vi myid 0
4.設定zookeeper集群
1、在spark2、spark3節點上按照上述步驟配置zookeeper，使用scp將zk和.bashrc拷貝到spark2和spark3上即可。
2、唯一的區別是spark2和spark3的標識號分別設定為1和2
5.檢測是否安裝成功
1、分別在三颱機器上執行：zkserver.sh start。
2、檢查zookeeper狀態：zkserver.sh status。
[root@spark1 conf]# zkserver.sh start
jmx enabled by default
using config: /usr/local/spark/zookeeper/bin/../conf/zoo.cfg
starting zookeeper ... started
[root@spark1 conf]# zkserver.sh status
jmx enabled by default
using config: /usr/local/spark/zookeeper/bin/../conf/zoo.cfg
mode: follower
[root@spark2 zookeeper]# zkserver.sh start
jmx enabled by default
using config: /usr/local/spark/zookeeper/bin/../conf/zoo.cfg
starting zookeeper ... started
[root@spark2 zookeeper]# zkserver.sh status
jmx enabled by default
using config: /usr/local/spark/zookeeper/bin/../conf/zoo.cfg
mode: leader
[root@spark3 zookeeper]# zkserver.sh start
jmx enabled by default
using config: /usr/local/spark/zookeeper/bin/../conf/zoo.cfg
starting zookeeper ... started
[root@spark3 zookeeper]# zkserver.sh status
jmx enabled by default
using config: /usr/local/spark/zookeeper/bin/../conf/zoo.cfg
mode: follower
以上提示表示安裝成功
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