Hadoop Eco-building (3 node) -03.zookeeper configuration

# https://www.oracle.com/technetwork/java/javase/downloads/java-archive-javase8-2177648.html

# ================================================================== Installing JDK

Mkdir-p/USR/JAVATAR-ZXVF ~/jdk-8u111-linux-x64.tar.gz-c/usr/javarm-r ~/jdk-8u111-linux-x64.tar.gz

# http://archive.apache.org/dist/zookeeper/

# ================================================================== Installation Zookeeper
# Zookeeper cluster build to at least 3 servers, the server will be deployed zookeeper

TAR-ZXVF ~/zookeeper-3.4.12.tar.gz-c/usr/localrm-r ~/zookeeper-3.4.12.tar.gz

# Configure Environment variables

# ==================================================================node1 Node2 Node3

vi/etc/profile# add export Histcontrol under Export PATH USER LOGNAME MAIL HOSTNAME histsize java_home=/usr/java/jdk1.8.0_ 111export zookeeper_home=/usr/local/zookeeper-3.4.12export path= $PATH: $JAVA _home/bin: $JAVA _home/jre/bin:$ Zookeeper_home/binexport classpath=.: $JAVA _home/lib/dt.jar: $JAVA _home/lib/tools.jar

# ==================================================================node1

# Make environment variable effective source/etc/profile# Check for configuration success java-version# view configuration results echo $JAVA _homeecho $ZOOKEEPER _home# Create data file and log store directory mkdir $ ZOOKEEPER_HOME/{DATA,LOGS}CP $ZOOKEEPER _home/conf/zoo_sample.cfg $ZOOKEEPER _home/conf/zoo.cfgvi $ZOOKEEPER _home/ Conf/zoo.cfg
datadir=/usr/local/zookeeper-3.4.12/datadatalogdir=/usr/local/zookeeper-3.4.12/logsclientport= 2181autopurge.snapretaincount=3autopurge.purgeinterval=1server.1=node1:2888:3888server.2=node2 : 2888:3888server.3=node3:2888:3888vi $ZOOKEEPER _home/conf/log4j.propertieszookeeper.log.dir=/usr/local/ Zookeeper-3.4.12/logszookeeper.tracelog.dir=/usr/local/zookeeper-3.4.12/logs

# ==================================================================node2 Node3

Mkdir-p/usr/java

# Sync to other nodes

# ==================================================================node1

Scp-r $JAVA _home node2:/usr/java/scp-r $JAVA _home node3:/usr/java/scp-r $ZOOKEEPER _home node2:/usr/local/scp-r $ZOOKE Eper_home node3:/usr/local/

# ==================================================================node2 Node3

# Make environment variable effective source/etc/profile# Check for configuration success java-version# view configuration results echo $JAVA _homeecho $ZOOKEEPER _home

# Edit the myID separately in the Zookeeper data directory

# ==================================================================node1

echo "1" > $ZOOKEEPER _home/data/myid

# view myID
Cat $ZOOKEEPER _home/data/myid

# ==================================================================node2

echo "2" > $ZOOKEEPER _home/data/myid

# ==================================================================NODE3

echo "3" > $ZOOKEEPER _home/data/myid

# Start

# ==================================================================node1 Node2 Node3

zkserver.sh startzkserver.sh status# zkserver.sh stop# $ZOOKEEPER _home/bin/zkserver.sh start# $ZOOKEEPER _home/bin/ zkserver.sh status# $ZOOKEEPER _home/bin/zkserver.sh stopshutdown-h now# Snapshot ZOOKEEPER

 

# Do not configure Kafka SASL authentication configuration, wait until the Kafka is configured and then proceed.

# ==================================================================kafka SASL Certified Configuration
VI $ZOOKEEPER _HOME/CONF/ZOO.CFG

Authprovider.1=org.apache.zookeeper.server.auth.saslauthenticationprovider
Requireclientauthscheme=sasl
jaasloginrenew=3600000

# ================================================================== Reference
# Cat $ZOOKEEPER _home/conf/zoo.cfg

# Ticktime:cs Communication Heartbeat number
# The time interval between Zookeeper servers or between the client and server to maintain heartbeat, that is, each ticktime time sends a heartbeat. Ticktime in milliseconds
ticktime=2000

# INITLIMIT:LF initial communication time limit
# The maximum number of heartbeats (ticktime) that can be tolerated in the initial connection between the follower server (F) in the cluster and the leader server (L)
Initlimit=5

# SYNCLIMIT:LF Synchronous Communication time limit
# The maximum number of heartbeats (ticktime) that can be tolerated between the follower server in the cluster and the leader server between requests and responses
synclimit=2

# DataDir: Data file directory
# Zookeeper the directory where data is saved, by default, zookeeper log files that write data are also stored in this directory
Datadir=/usr/local/zookeeper-3.4.12/data

# Datalogdir: Log file directory
# Zookeeper directory where log files are saved
Datalogdir=/usr/local/zookeeper-3.4.12/logs

# clientport: Client Connection port
# The client connects to the port of the Zookeeper server, Zookeeper listens to the port and accepts the client's access request
clientport=2181

# Data files Save the last 3 snapshots, which are saved by default and take up a lot of disk space for a long time
Autopurge.snapretaincount=3

# The unit is hourly, and the snapshot data is cleaned up once per hour
Autopurge.purgeinterval=1

# server. n Server name and address
# Starting with N: Service number, service address, LF communication port, election port
server.1=node1:2888:3888
server.2=node2:2888:3888
server.3=node3:2888:3888

Hadoop Eco-building (3 node) -03.zookeeper configuration