Zookeeper.md

Check status

systemctl status zookeeper-server

Restart

sudo systemctl restart zookeeper-server

Stop

sudo systemctl stop zookeeper-server

Start

sudo systemctl start zookeeper-server

Check if node is leader or follower

echo stat | nc localhost 2181 | grep Mode

Check connection logs

Connection logs:

sudo cat /var/log/messages | tail -50 # Verify log timestamps

View node config

cat /etc/zookeeper/conf/zoo.cfg

Run Zookeeper

/usr/lib/zookeeper/bin/zkCli.sh

List the clients using Zookeeper:

ls /

List Kafka topics known to Zookeeper:

ls /kafka/kafkacluster/brokers/topics

List Broker ID's known to Zookeeper:

ls /kafka/kafkacluster/brokers/ids