[Hadoop] 6. Zookeeper 실행

---

1) < master, worker1, worker2 > Zookeeper myid 파일 수정

---

vim /usr/local/zookeeper/data/myid

1 # master
2 # worker1
3 # worker2

# 확인
cat /usr/local/zookeeper/data/myid

---

---

2) < master, worker1, worker2 > Zookeeper 실행

---

/usr/local/zookeeper/bin/zkServer.sh start

# 상태 확인
/usr/local/zookeeper/bin/zkServer.sh status

---

---

3) < master > Zookeeper 초기화

---

hdfs zkfc -formatZK

---

---

4) < master > HDFS ZKFC 초기화 확인

---

# zkCli 실행
/usr/local/zookeeper/bin/zkCli.sh

# Hadoop 클러스터 확인
ls /hadoop-ha

# [my-hadoop-cluster] 확인 후 quit 명령으로 종료

# 종료
quit

---

---

5) < master, worker1, worker2 > Journalnode 실행

---

hdfs --daemon start journalnode
jps # 결과 확인

• QuorumPeerMain: zookeeper 동작 중
• JournalNode: journalnode 동작 중
  

---

---