Hands-On: Using Zookeeper Command Line Interface

1. Create nodes, sub nodes, etc...

2. Get / Set data for a node

3. Watch a node

4. Delete a node

# start zookeeper
sudo service zookeeper start
# verify it's started
nc -vz localhost 2181

bin/zookeeper-shell.sh localhost 2181

# display help
help
# display root
ls /
create /my-node "foo"

ls /
get /my-node

set /my-node "new data"

create /my-node/deeper-node "bar"

ls /
ls /my-node
ls /my-node/deeper-node

get /my-node/deeper-node

rmr /my-node/deeper-node

rmr /my-node

ls /

# create a watcher
create /node-to-watch ""
get /node-to-watch true

set /node-to-watch "new data"

set /node-to-watch "whatever"