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Edit zoo.cfg and the below


$ vi zoo.cfg


dataDir=/var/lib/zookeeper
server.1=node1:2888:3888
server.2=node2:2888:3888
server.3=node3:2888:3888


Now, do the below changes in 
log4.properties file as follows.

$ vi log4j.properties


zookeeper.log.dir=/var/log/zookeeper 
zookeeper.tracelog.dir=/var/log/zookeeper 
log4j.rootLogger=INFO, CONSOLE, ROLLINGFILE

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$ /home/zookeeper/zookeeper-3.4.13/bin/zkServer.sh status


Zookeeper Service Status Check.

In Zookeeper ensemble If you have 3 nodes, out of them, one will be in leader mode and other two will be in follower mode. You can check the status by running the following commands. If you have just one then it will be standalone.

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WatchedEvent state:SyncConnected type:None path:null
[zk: :2181(CONNECTED) 0]


Install Pre-

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requisites for Build

$ sudo apt-get install git


Setup environment

Add environment variables to profile file

# setup environments
export LANG="en_US.UTF-8"
export PATH=${HOME}/gradle/bin:$PATH
export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-arm64
export JAVA_TOOL_OPTIONS="-Dfile.encoding=UTF8"
 


$ source ~/.bashrc


Hooking up upstream Maven 3.6.0 (for Debian Jessie only)

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