Zookeeper plugin

This plugin monitors, visualizes, and alerts on your Apache Zookeeper. 


Meter 4.2 or later must be installed.

The Apache Zookeeper plugin 3.4 or later supports the following Operating System.


To install the plugin

  1. From the top right of the screen, perform one of the following actions:
    • Click Settings > Data Collection, select the TrueSight meter, and select the Sources tab.

    • Click Settings > Configure Sources.
  2. Use the search box or scroll through the page to find the source system which has the TrueSight meter on which you want to install the plugin.
  3. Click the name of the source to view source details.
  4. Select the Plugins tab.
  5. Use the search box or scroll through the page to find the plugin you want to install.
  6. Click + Install to start the installation.

    Refer to the following sections for the configuration details required to collect data and view the list of plugin metrics.

Configuration details

Field NameDescription
HostZookeeper service host
PortZookeeper service port
TimeoutZookeeper service connection timeout
Poll Interval (ms)How often to query the Zookeeper service for metrics
SourceThe Source to display in the legend for the zookeeper data. It will default to the hostname of the server

Advanced configuration

To customize this plugin, see Apache Zookeeper plugin on GitHub.

Plugin metrics

Metric NameDescription
ZK_WATCH_COUNTTotal amount of watches in zookeeper
ZK_NUM_ALIVE_CONNECTIONSNumber of active connections in Zookeeper
ZK_OPEN_FILE_DESCRIPTOR_COUNTTotal amount of file descriptors open in the system reported by zookeeper
ZK_PACKETS_SENTTotal number of packages sent from Zookeeper
ZK_PACKETS_RECEIVEDTotal number of packages received in Zookeeper
ZK_MIN_LATENCYThe minimum latency measured by Zookeeper
ZK_EPHEMERALS_COUNTThe total amount of ephemerals in Zookeeper
ZK_ZNODE_COUNTTotal number of data registers in Zookeeper
ZK_MAX_FILE_DESCRIPTOR_COUNTTotal maximum number of filedescriptors allowed to open
ZK_AVG_LATENCYThe average latency measured by Zookeeper
ZK_MAX_LATENCYThe maximum latency measured by Zookeeper
ZK_OUTSTANDING_REQUESTSTotal number of requests waiting to be processed by Zookeeper
ZK_SERVER_STATEShows the server is currently a leader or a follower in the cluster
ZK_APPROXIMATE_DATA_SIZEThe approximate size of the data being handled by Zookeeper
ZK_FOLLOWERSThe number of servers using this Zookeeper node as a leader
ZK_SYNCED_FOLLOWERSZookeeper server nodes which are synchronized with this leader
ZK_PENDING_SYNCSSynchronization requests which are yet to be processed
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