zookeeper replicated mode 설치

따라해보자. 대충 읽어 보니 

"in production, you should run ZooKeeper in replicated mode, all servers in the quorum have copies of the same configuration file" 이라는데.

dataDir에 myid파일은 서버번호별로~

https://zookeeper.apache.org/doc/r3.4.11/zookeeperStarted.html#sc_RunningReplicatedZooKeeper

https://zookeeper.apache.org/doc/r3.4.11/zookeeperAdmin.html#sc_advancedConfiguration

 

먼저 java설치가 되어 있어야 한다.

#zookeeper가 설치될 3대(5대추천이라는) 모두에 사용자 추가 및 datagroup에 추가
[root@big-master src]# useradd zookeeper ; echo 'zookeeper' | passwd --stdin zookeeper ; usermod -G datagroup zookeeper
Changing password for user zookeeper.
passwd: all authentication tokens updated successfully.

[root@big-master src]# ssh big-slave1 "useradd zookeeper ; echo 'zookeeper' | passwd --stdin zookeeper ; usermod -G datagroup zookeeper"
Changing password for user zookeeper.
passwd: all authentication tokens updated successfully.
[root@big-master src]# ssh big-slave2 "useradd zookeeper ; echo 'zookeeper' | passwd --stdin zookeeper ; usermod -G datagroup zookeeper"
Changing password for user zookeeper.
passwd: all authentication tokens updated successfully.

[root@big-master src]# su - zookeeper

[zookeeper@big-master ~]$ ssh-keygen -t rsa -b 4096
Generating public/private rsa key pair.
Enter file in which to save the key (/home/zookeeper/.ssh/id_rsa):
Created directory '/home/zookeeper/.ssh'.
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /home/zookeeper/.ssh/id_rsa.
Your public key has been saved in /home/zookeeper/.ssh/id_rsa.pub.
The key fingerprint is:
SHA256:cRMNmJCHkT1x+GXuu3Rn7eRvVfsFiPMEJbJTDhdq0p8 zookeeper@big-master
The key's randomart image is:
+---[RSA 4096]----+
|      oB+=O=.    |
|      +.BX.o+    |
|      ..Bo+* .   |
|       o =+o+ . .|
|        S E=   .o|
|            o  .+|
|            ... O|
|           ... *o|
|            .. .=|
+----[SHA256]-----+

[zookeeper@big-master ~]$ cd .ssh/
[zookeeper@big-master .ssh]$ ls
id_rsa  id_rsa.pub
[zookeeper@big-master .ssh]$ cp id_rsa.pub ./authorized_keys
#대상서버에 .ssh 디렉토리가 존재해야함
[zookeeper@big-master .ssh]$ scp id_rsa.pub zookeeper@big-slave1:/home/zookeeper/.ssh/authorized_keys
[zookeeper@big-master .ssh]$ scp id_rsa.pub zookeeper@big-slave2:/home/zookeeper/.ssh/authorized_keys
또는 
#[zookeeper@big-master .ssh]$ ssh-copy-id zookeeper@big-master
#[zookeeper@big-master .ssh]$ ssh-copy-id zookeeper@big-slave1
#[zookeeper@big-master .ssh]$ ssh-copy-id zookeeper@big-slave2

[root@big-master src]# wget http://mirror.apache-kr.org/zookeeper/zookeeper-3.4.11/zookeeper-3.4.11.tar.gz
--2018-04-18 10:47:22--  http://mirror.apache-kr.org/zookeeper/zookeeper-3.4.11/zookeeper-3.4.11.tar.gz
Resolving mirror.apache-kr.org (mirror.apache-kr.org)... 1.201.139.179
Connecting to mirror.apache-kr.org (mirror.apache-kr.org)|1.201.139.179|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 36668066 (35M) [application/x-gzip]
Saving to: ‘zookeeper-3.4.11.tar.gz’

100%[==========================================================>] 36,668,066  11.3MB/s   in 3.2s

2018-04-18 10:47:25 (11.0 MB/s) - ‘zookeeper-3.4.11.tar.gz’ saved [36668066/36668066]

[root@big-master src]#
[root@big-master src]# tar -zxpf zookeeper-3.4.11.tar.gz

[root@big-master src]# cp -rf zookeeper-3.4.11 /bigdata

[root@big-master src]# chown -R zookeeper.zookeeper /bigdata/zookeeper-3.4.11/

[root@big-master src]# ln -s /bigdata/zookeeper-3.4.11/ /zookeeper

[root@big-master src]# vi /etc/profile
export ZOOKEEPER_HOME=/zookeeper
export PATH=$PATH:$ZOOKEEPER_HOME/bin

[root@big-master src]# source /etc/profile

[root@big-master src]# rsync -az /etc/profile root@big-slave1:/etc/profile
[root@big-master src]# rsync -az /etc/profile root@big-slave2:/etc/profile

[root@big-master src]# su - zookeeper

[zookeeper@big-master ~]$ cd /bigdata/zookeeper-3.4.11/

[zookeeper@big-master zookeeper-3.4.11]$ mkdir data

[zookeeper@big-master zookeeper-3.4.11]$ cp conf/zoo_sample.cfg conf/zoo.cfg

[zookeeper@big-master zookeeper-3.4.11]$ vi conf/zoo.cfg
tickTime=2000
initLimit=10
syncLimit=5
dataDir=/zookeeper/data
dataLogDir=/zookeeper/logs
clientPort=2181
server.1=big-master:2888:3888
server.2=big-slave1:2888:3888
server.3=big-slave2:2888:3888
:wq!

[zookeeper@big-master zookeeper-3.4.11]$ vi conf/log4j.properties
zookeeper.root.logger=INFO, CONSOLE
zookeeper.console.threshold=INFO
zookeeper.log.dir=/zookeeper/logs
zookeeper.log.file=zookeeper.log
zookeeper.log.threshold=DEBUG
zookeeper.tracelog.dir=/zookeeper/logs
zookeeper.tracelog.file=zookeeper_trace.log
:wq!

[zookeeper@big-master zookeeper-3.4.11]$ vi bin/zkEnv.sh
ZOO_LOG_DIR="${ZOOKEEPER_HOME}/logs"
:wq!

#The entries of the form server.X list the servers that make up the ZooKeeper service. When the server starts up,
#it knows which server it is by looking for the file myid in the data directory. That file has the contains the server number, in ASCII.
[zookeeper@big-master zookeeper-3.4.11]$ echo 1 > /zookeeper/data/myid

[zookeeper@big-master ~]$ rsync -az /bigdata/zookeeper-3.4.11 zookeeper@big-slave1:/bigdata/
[zookeeper@big-master ~]$ rsync -az /bigdata/zookeeper-3.4.11 zookeeper@big-slave2:/bigdata/

[zookeeper@big-master ~]$ ssh big-slave1 "echo 2 > /bigdata/zookeeper-3.4.11/data/myid"
[zookeeper@big-master ~]$ ssh big-slave2 "echo 3 > /bigdata/zookeeper-3.4.11/data/myid"

[root@big-master ~]# ssh big-slave1 "ln -s /bigdata/zookeeper-3.4.11 /zookeeper"
[root@big-master ~]# ssh big-slave2 "ln -s /bigdata/zookeeper-3.4.11 /zookeeper"

[zookeeper@big-master ~]$ zkServer.sh start
ZooKeeper JMX enabled by default
Using config: /zookeeper/bin/../conf/zoo.cfg
Starting zookeeper ... STARTED
[zookeeper@big-master ~]$ zkServer.sh status
ZooKeeper JMX enabled by default
Using config: /zookeeper/bin/../conf/zoo.cfg
Error contacting service. It is probably not running.

[zookeeper@big-slave1 ~]$ zkServer.sh start
ZooKeeper JMX enabled by default
Using config: /zookeeper/bin/../conf/zoo.cfg
Starting zookeeper ... STARTED

[zookeeper@big-slave1 ~]$ zkServer.sh status
ZooKeeper JMX enabled by default
Using config: /zookeeper/bin/../conf/zoo.cfg
Mode: leader

[zookeeper@big-slave2 ~]$ zkServer.sh start
ZooKeeper JMX enabled by default
Using config: /zookeeper/bin/../conf/zoo.cfg
Starting zookeeper ... STARTED
[zookeeper@big-slave2 ~]$ zkServer.sh status
ZooKeeper JMX enabled by default
Using config: /zookeeper/bin/../conf/zoo.cfg
Mode: follower

[zookeeper@big-master ~]$ zkServer.sh status
ZooKeeper JMX enabled by default
Using config: /zookeeper/bin/../conf/zoo.cfg
Mode: follower

[zookeeper@big-master ~]$ jps
3968 Jps
3652 QuorumPeerMain

[zookeeper@big-slave1 ~]$ jps
3364 QuorumPeerMain
3676 Jps

[zookeeper@big-slave2 ~]$ jps
3110 QuorumPeerMain
3321 Jps

 

서비스등록은 systemd 서비스등록하기를 참고