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Most-used commands

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Connection

bin/zkCli.sh -server host:port Connect to ZooKeeper server bin/zkCli.sh -server localhost:2181 Connect to local ZooKeeper server on default port

Basic Commands

help Display help information ls / List all ZooKeeper nodes at root ls /brokers/ids List Kafka broker IDs ls /brokers/topics List Kafka topics get /path/to/znode Get data from a ZNode get /brokers/ids/[broker-id] Get Kafka broker information create /path data Create a ZNode with data set /path data Update data in a ZNode delete /path Delete a ZNode quit Exit ZooKeeper CLI

Kafka Specific

get /controller Get Kafka controller information get /controller_epoch Get controller epoch information ls /consumers List consumer groups (older versions) ls /config/topics List topics with custom configs get /config/topics/[topic] Get topic configuration ls /admin/delete_topics List topics marked for deletion

Monitoring

stat /path Display ZNode status and metadata mntr Monitor ZooKeeper server statistics conf Show server configuration envi Show server environment ruok Test if server is running srst Reset server statistics srvr Lists server statistics

Advanced

addauth scheme auth Add authentication getAcl /path Get ACL for a ZNode setAcl /path acl Set ACL for a ZNode history Show command history redo cmdno Redo a specific command sync /path Sync a ZNode with followers listquota /path List quota for a ZNode setquota -n|-b val /path Set quota for a ZNode