Installing the zookeeper-3.4.9 service on CentOS7

Install zookeeper-3.4.9 service 1 on CentOS7, create/usr/local/services/zookeeper folder: Mkdir-p/usr/local/services/zookeeper2, enter to/usr /local/services/zookeeper directory: cd/usr/local/services/zookeeper3, download Zookeeper-3.4.9.tar.gz:wget https:// MIRRORS.TUNA.TSINGHUA.EDU.CN/APACHE/ZOOKEEPER/ZOOKEEPER-3.4.9/ZOOKEEPER-3.4.9.TAR.GZ4, decompressing ZOOKEEPER-3.4.9.TAR.GZ:TAR-ZXVF zookeeper-3.4.9.tar.gz5, enter to/usr/local/services/zookeeper/zookeeper-3.4.9/conf Directory: cd ZOOKEEPER-3.4.9/CONF/6, copy the zoo_sample.cfg file and name it ZOO.CFG:CP zoo_sample.cfg Zoo.cfg7, open with Vim zoo.cfg File and modify its contents as follows: # The number of milliseconds of each tick# zookeeper defined by the base time interval, in milliseconds ticktime=2000# the number of ticks that th E Initial # Synchronization phase can takeinitlimit=10# the number of ticks that can pass between # Sending a request and  Getting an acknowledgementsynclimit=5# the directory where the snapshot is stored.# does not use/tmp for storage,/tmp here is just # example sakes.# datadir=/tmp/zookeeper# Data folder Datadir=/usr/local/services/zookeeper/zookeeper-3.4.9/data# log Folder datalogdir=/usr/local/services/zookeeper/zookeeper-3.4.9/logs# the port at which the clients would connect# Client Access Zookeeper port numbers clientport=2181# The maximum number of client connections.# increase this if you need to hand  Le more clients#maxclientcnxns=60## is sure to read the maintenance sections of the # Administrator guide before turning on autopurge.## http://zookeeper.apache.org/doc/current/zookeeperAdmin.html#sc_maintenance## The number of snapshots to Retain in datadir#autopurge.snapretaincount=3# Purge task interval in hours# Set to ' 0 ' to disable auto Purge Feature#auto Purge.purgeinterval=18, save and close the Zoo.cfg file: 9. Go to the/usr/local/services/zookeeper/zookeeper-3.4.9/bin directory: CD. /BIN/10, use VIM to open the configuration file under the/etc/directory Profile:vim/etc/profile and append the following at its tail: # idea-zookeeper-3.4.9 config start-2016-09-08 Export Zookeeper_home=/usr/local/services/zookeeper/zookeeper-3.4.9/export path= $ZOOKEEPER _home/bin: $PATHexport path# idea-zookeeper-3.4.9 config start-2016-09-0811, makeThe profile file in the/etc/directory can be effective: source/etc/profile12, start zookeeper Service: zkserver.sh start the following message indicates the startup success: Zookeeper JMX enabled by defaultusing Config:/usr/local/services/zookeeper/zookeeper-3.4.9/bin/. /conf/zoo.cfgstarting Zookeeper ...  STARTED13, Query zookeeper status: Zkserver.sh status14, close zookeeper service: zkserver.sh stop if you print the following message indicates a successful shutdown: Zookeeper JMX enabled by defaultusing config:/usr/local/services/zookeeper/zookeeper-3.4.9/bin/. /conf/zoo.cfgstopping Zookeeper ... STOPPED15, restart Zookeeper service: zkserver.sh Restart if you print the following message, it indicates a successful restart: Zookeeper JMX enabled by defaultusing Config:/usr/local/s ervices/zookeeper/zookeeper-3.4.9/bin/. /conf/zoo.cfgzookeeper JMX enabled by defaultusing Config:/usr/local/services/zookeeper/zookeeper-3.4.9/bin/. /conf/zoo.cfgstopping Zookeeper ... Stoppedzookeeper JMX enabled by defaultusing Config:/usr/local/services/zookeeper/zookeeper-3.4.9/bin/. /conf/zoo.cfgstarting Zookeeper ... STARTED

　　

Installing the zookeeper-3.4.9 service on CentOS7