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Run ZooKeeper Client Commands
How to run ZooKeeper Client Commands?
✍: FYIcenter.com
If you have a ZooKeeper Server running,
you can follow these steps to run some ZooKeeper client commands:
1. On the client computer, download and install Apache ZooKeeper binary package.
2. Run the client script to connect to the ZooKeeper server. You see the client command prompt.
fyicenter$ bin/zkCli.sh -server 127.0.0.1:2181 /usr/bin/java Connecting to 127.0.0.1:2181 ... Client environment:zookeeper.version=3.7.0-... ... Client environment:host.name=192.168.1.191 ... Client environment:java.version=15 ... Client environment:java.vendor=Oracle Corporation ... Client environment:java.home=/usr/bin/java ... Client environment:java.class.path=... ... Client environment:java.library.path=... ... Client environment:java.io.tmpdir=... ... Client environment:java.compiler=<NA> ... ... INFO [main:ZooKeeper@637] - Initiating client connection, ... ... INFO [main:X509Util@77] - Setting -D ... ... INFO [main:ClientCnxnSocket@239] - jute.maxbuffer value is 1048575 Bytes ... INFO [main:ClientCnxn@1726] - zookeeper.request.timeout value is 0. Welcome to ZooKeeper! ... INFO [main-SendThread...] - Opening socket connection to server ... INFO [main-SendThread...] - SASL config status: Will not attempt to authenticate using SASL (unknown error) JLine support is enabled ... INFO [main-SendThread...] - Socket connection established, ... ... INFO [main-SendThread...] - Session establishment complete on server ... WATCHER:: WatchedEvent state:SyncConnected type:None path:null [zk: 127.0.0.1:2181(CONNECTED) 0]
3. Try the "help" command.
[zk: 127.0.0.1:2181(CONNECTED) 1] help ZooKeeper -server host:port -client-configuration properties-file cmd args addWatch [-m mode] path # optional mode, default is PERSISTENT_RECURSIVE addauth scheme auth close config [-c] [-w] [-s] connect host:port create [-s] [-e] [-c] [-t ttl] path [data] [acl] delete [-v version] path deleteall path [-b batch size] delquota [-n|-b|-N|-B] path get [-s] [-w] path getAcl [-s] path getAllChildrenNumber path getEphemerals path history listquota path ls [-s] [-w] [-R] path printwatches on|off quit reconfig [-s] [-v version] [[-file path] | [-members serverID=...] redo cmdno removewatches path [-c|-d|-a] [-l] set [-s] [-v version] path data setAcl [-s] [-v version] [-R] path acl setquota -n|-b|-N|-B val path stat [-w] path sync path version whoami
4. Try the "ls" command. There is one 1 node with 2 child nodes.
[zk: 127.0.0.1:2181(CONNECTED) 4] ls / [zookeeper] [zk: 127.0.0.1:2181(CONNECTED) 5] ls /zookeeper [config, quota] [zk: 127.0.0.1:2181(CONNECTED) 6] ls /zookeeper/config [] [zk: 127.0.0.1:2181(CONNECTED) 7] ls /zookeeper/quota []
5. Quit the connection.
[zk: 127.0.0.1:2181(CONNECTED) 21] quit WATCHER:: WatchedEvent state:Closed type:None path:null INFO [main:ZooKeeper@1232] - Session: 0x10005dd8df40000 closed INFO [main-EventThread:ClientCnxn...] - EventThread shut down for session: ... ERROR [main:ServiceUtils@42] - Exiting JVM with code 0
2022-02-19, 951🔥, 0💬
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