![1/2
Zookeper
https://www.digitalocean.com/community/tutorials/how-to-install-and-configure-an-apache-zookeeper-cluster-on-
ubuntu-18-04
Install Zookeeper (min 3 node)
yum install java-1.8.0-openjdk
sudo useradd zk -m
sudo usermod --shell /bin/bash zk
sudo passwd zk
usermod -aG sudo zk or sudo visudo
sudo mkdir -p /data/zookeeper
sudo chown zk:zk /data/zookeeper
cd /opt
wget https://www-us.apache.org/dist/zookeeper/zookeeper-3.4.14/zookeeper-3.4.14.tar.gz
tar -zxvf zookeeper-3.4.14.tar.gz
sudo chown zk:zk -R zookeeper-xx.xx.xx
sudo ln -s zookeeper-3.4.14 zookeeper
sudo chown -h zk:zk zookeeper
sudo vi /opt/zookeeper/conf/zoo.cfg
tickTime=2000
initLimit=10
syncLimit=5
dataDir=/data/zookeeper
# dataLogDir=/tmp/zookeeper-log
clientPort=2181
maxClientCnxns=60
:wq
cd /opt/zookeeper
bin/zkServer.sh start
bin/zkServer.sh stop
sudo vi /etc/systemd/system/zk.service
[Unit]
Description=Zookeeper Daemon
Documentation=http://zookeeper.apache.org
Requires=network.target
After=network.target
[Service]
Type=forking
WorkingDirectory=/opt/zookeeper
User=zk
Group=zk
ExecStart=/opt/zookeeper/bin/zkServer.sh start /opt/zookeeper/conf/zoo.cfg
ExecStop=/opt/zookeeper/bin/zkServer.sh stop /opt/zookeeper/conf/zoo.cfg
ExecReload=/opt/zookeeper/bin/zkServer.sh restart /opt/zookeeper/conf/zoo.cfg
TimeoutSec=30
Restart=on-failure
[Install]
WantedBy=default.target
:wq
sudo systemctl start zk
sudo systemctl enable zk
sudo systemctl status zk
sudo systemctl restart zk
FOR Multi-Node ZooKeeper Cluster
sudo vi /opt/zookeeper/conf/zoo.cfg
tickTime=2000
dataDir=/data/zookeeper
clientPort=2181
maxClientCnxns=60
initLimit=10
syncLimit=5
server.1=your_zookeeper_node_1:2888:3888
server.2=your_zookeeper_node_2:2888:3888
server.3=your_zookeeper_node_3:2888:3888
:wq](https://image.slidesharecdn.com/zookeper-190724052749/85/Zookeper-1-320.jpg)
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Zookeper
- 1. 1/2 Zookeper https://www.digitalocean.com/community/tutorials/how-to-install-and-configure-an-apache-zookeeper-cluster-on- ubuntu-18-04 Install Zookeeper (min 3 node) yum install java-1.8.0-openjdk sudo useradd zk -m sudo usermod --shell /bin/bash zk sudo passwd zk usermod -aG sudo zk or sudo visudo sudo mkdir -p /data/zookeeper sudo chown zk:zk /data/zookeeper cd /opt wget https://www-us.apache.org/dist/zookeeper/zookeeper-3.4.14/zookeeper-3.4.14.tar.gz tar -zxvf zookeeper-3.4.14.tar.gz sudo chown zk:zk -R zookeeper-xx.xx.xx sudo ln -s zookeeper-3.4.14 zookeeper sudo chown -h zk:zk zookeeper sudo vi /opt/zookeeper/conf/zoo.cfg tickTime=2000 initLimit=10 syncLimit=5 dataDir=/data/zookeeper # dataLogDir=/tmp/zookeeper-log clientPort=2181 maxClientCnxns=60 :wq cd /opt/zookeeper bin/zkServer.sh start bin/zkServer.sh stop sudo vi /etc/systemd/system/zk.service [Unit] Description=Zookeeper Daemon Documentation=http://zookeeper.apache.org Requires=network.target After=network.target [Service] Type=forking WorkingDirectory=/opt/zookeeper User=zk Group=zk ExecStart=/opt/zookeeper/bin/zkServer.sh start /opt/zookeeper/conf/zoo.cfg ExecStop=/opt/zookeeper/bin/zkServer.sh stop /opt/zookeeper/conf/zoo.cfg ExecReload=/opt/zookeeper/bin/zkServer.sh restart /opt/zookeeper/conf/zoo.cfg TimeoutSec=30 Restart=on-failure [Install] WantedBy=default.target :wq sudo systemctl start zk sudo systemctl enable zk sudo systemctl status zk sudo systemctl restart zk FOR Multi-Node ZooKeeper Cluster sudo vi /opt/zookeeper/conf/zoo.cfg tickTime=2000 dataDir=/data/zookeeper clientPort=2181 maxClientCnxns=60 initLimit=10 syncLimit=5 server.1=your_zookeeper_node_1:2888:3888 server.2=your_zookeeper_node_2:2888:3888 server.3=your_zookeeper_node_3:2888:3888 :wq
- 2. 2/2 sudo vi /data/zookeeper/myid # - Change server ID in dataDir (ex: 1,2,3) for all nodes cd /opt/zookeeper java -cp zookeeper-3.4.14.jar:lib/log4j-1.2.17.jar:lib/slf4j-log4j12-1.7.25.jar:lib/slf4j- api-1.7.25.jar:conf org.apache.zookeeper.server.quorum.QuorumPeerMain conf/zoo.cfg - Смотреть логи в риалтайме