centos 7下安装配置zookeeper

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一、安装好java

二、配置 zookeeper:

1 、创建 /usr/local/services/zookeeper 文件夹:
mkdir -p /usr/local/services/zookeeper
2 、进入到 /usr/local/services/zookeeper 目录中:
cd /usr/local/services/zookeeper
3 、下载 zookeeper- 3.4 . 9 .tar.gz:
wget https: //mirrors.tuna.tsinghua.edu.cn/apache/zookeeper/zookeeper-3.4.9/zookeeper-3.4.9.tar.gz
4 、解压缩 zookeeper- 3.4 . 9 .tar.gz:
tar -zxvf zookeeper- 3.4 . 9 .tar.gz
5 、进入到 /usr/local/services/zookeeper/zookeeper- 3.4 . 9 /conf 目录中:
cd zookeeper- 3.4 . 9 /conf/
6 、复制 zoo_sample.cfg 文件的并命名为为 zoo.cfg:
cp zoo_sample.cfg zoo.cfg
7 、用 vim 打开 zoo.cfg 文件修改内容为如下:
# The number of milliseconds of each tick
# zookeeper 定义的基准时间间隔,单位:毫秒
tickTime= 2000
# The number of ticks that the initial
# synchronization phase can take
initLimit= 10
@H_404_180@ # The number of ticks that can pass between
# sending a request and getting an acknowledgement
syncLimit= 5
# the directory where the snapshot is stored.
# do not use /tmp for storage,/tmp here is just
# example sakes.
# dataDir=/tmp/zookeeper
# 数据文件
dataDir=/usr/local/services/zookeeper/zookeeper- 3.4 . 9 /data
# 日志文件
dataLogDir=/usr/local/services/zookeeper/zookeeper- 3.4 . 9 /logs
# the port at which the clients will connect
# 客户端访问 zookeeper 的端口号
clientPort= 2181
@H_403_300@ # the maximum number of client connections.
# increase this if you need to handle more clients
#maxClientCnxns= 60
#
# Be sure to read the maintenance section 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
#autopurge.purgeInterval= 1
@H_922_404@ 8 、保存并关闭 zoo.cfg 文件:
9 、进入到 /usr/local/services/zookeeper/zookeeper- 3.4 . 9 /bin 目录中:
cd ../bin/
10 、用 vim 打开 /etc/ 目录下的配置文件 profile:
vim /etc/profile
并在其尾部追加如下内容
# idea - zookeeper- 3.4 . 9 config start - 2016 - 09 - 08
export ZOOKEEPER_HOME=/usr/local/services/zookeeper/zookeeper- 3.4 . 9 /
export PATH=$ZOOKEEPER_HOME/bin:$PATH
@H_42_502@ export PATH
# idea - zookeeper- 3.4 . 9 config start - 2016 - 09 - 08
11 、使 /etc/ 目录下的 profile 文件即可生效:
source /etc/profile
12 、启动 zookeeper 服务:
zkServer.sh start
如打印如下信息则表明启动成功:
ZooKeeper JMX enabled by default
Using config: /usr/local/services/zookeeper/zookeeper- 3.4 . 9 /bin/../conf/zoo.cfg
Starting zookeeper ... STARTED
13 查询 zookeeper 状态:
zkServer.sh status
14 关闭 zookeeper 服务:
zkServer.sh stop
如打印如下信息则表明成功关闭
ZooKeeper JMX enabled by default
Using config: /usr/local/services/zookeeper/zookeeper- 3.4 . 9 /bin/../conf/zoo.cfg
Stopping zookeeper ... STOPPED
15 、重启 zookeeper 服务:
zkServer.sh restart
如打印如下信息则表明重启成功:
ZooKeeper JMX enabled by default
Using config: /usr/local/services/zookeeper/zookeeper- 3.4 . 9 /bin/../conf/zoo.cfg
ZooKeeper JMX enabled by default
Using config: /usr/local/services/zookeeper/zookeeper- 3.4 . 9 /bin/../conf/zoo.cfg
Stopping zookeeper ... STOPPED
ZooKeeper JMX enabled by default
Using config: /usr/local/services/zookeeper/zookeeper- 3.4 . 9 /bin/../conf/zoo.cfg

Starting zookeeper ... STARTED



如果出现 这类错误

[root@localhost ~]# /usr/zookeeper/bin/zkServer.sh stop
ZooKeeper JMX enabled by default
Using config: /usr/zookeeper/bin/../conf/zoo.cfg
Stopping zookeeper ... /usr/zookeeper/bin/zkServer.sh: 第 182 行:kill: (2453) - 没有那个进程

解决:安装配置好java之后,需要赋予权限:

chmod +x /usr/java/jdk1.8/bin/java

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