zoo.cfg

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

do not use /tmp for storage, /tmp here is just

example sakes.

dataDir=/usr/local/src/zookeeper/zkCluster/zk1/data
dataLogDir=/usr/local/src/zookeeper/zkCluster/zk1/log

the port at which the clients will connect

clientPort=2181

server.1=192.168.126.129:2887:3887
server.2=192.168.126.129:2888:3888
server.3=192.168.126.129:2889:3889

the maximum number of client connections.

increase this if you need to handle more clients

maxClientCnxns=60

Be sure to read the maintenance section of the

administrator guide before turning on autopurge.

http://zookeeper.apache.org/doc/current/zookeeperAdmin.html#sc_maintenance

The number of snapshots to retain in dataDir

autopurge.snapRetainCount=3

Purge task interval in hours

Set to "0" to disable auto purge feature

autopurge.purgeInterval=1

Metrics Providers

https://prometheus.io Metrics Exporter

metricsProvider.className=org.apache.zookeeper.metrics.prometheus.PrometheusMetricsProvider

metricsProvider.httpPort=7000

metricsProvider.exportJvmInfo=true