Technology Sharing

한어Русский языкEnglishFrançaisIndonesianSanskrit日本語DeutschPortuguêsΕλληνικάespañolItalianoSuomalainenLatina

Install

download link:Apache ZooKeeper

The version I downloaded: zookeeper-3.4.12

After downloading, unzip

Configuration

1. Create a "data" folder and a "log" folder in the D:zookeeper-3.4.12 folder

2. Copy zoo_sample.cfg and rename it to zoo.cfg

Modify the zoo.cfg file

# The number of milliseconds of each tick
tickTime=2000
# The number of ticks that the initial 
# synchronization phase can take
initLimit=10
# 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
dataDir=D:zookeeper-3.4.12data
dataLogDir=D:zookeeper-3.4.12log
# the port at which the clients will connect
clientPort=2181

start up

Enter the directory: D:zookeeper-3.4.12bin

1. Execute zkServer.cmd

2. Execute zkCli.cmd

#连接本地zk
zkCli.cmd
 
#链接远程zk
zkCli.cmd -server ip:port

Simple Usage

Operation on zkCli.cmd

1. Create a node

 create /test "my_data"

Node: /test

Value: my_data

Note: When creating a node in zk, it must start with "/", otherwise an error will be reported:Command failed: java.lang.IllegalArgumentException: Path must start with / character

2. Get the node

get /test

3. Modify the node

 set /test "abc"

4. Create child nodes

create /test/child "child"

5. View child nodes

ls /test

6. Delete a node

delete /test/child