Zookeeper plugin

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

Prerequisites

Meter 4.2 or later must be installed.

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

Linux

From the top right of the screen, perform one of the following actions:
- Click > Data Collection, select the TrueSight meter, and select the Sources tab.
- Click > Configure Sources.
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.
Click the name of the source to view source details.
Select the Plugins tab.
Use the search box or scroll through the page to find the plugin you want to install.
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.

Field Name	Description
Host	Zookeeper service host
Port	Zookeeper service port
Timeout	Zookeeper service connection timeout
Poll Interval (ms)	How often to query the Zookeeper service for metrics
Source	The Source to display in the legend for the zookeeper data. It will default to the hostname of the server

Advanced configuration

Metric Name	Description
ZK_WATCH_COUNT	Total amount of watches in zookeeper
ZK_NUM_ALIVE_CONNECTIONS	Number of active connections in Zookeeper
ZK_OPEN_FILE_DESCRIPTOR_COUNT	Total amount of file descriptors open in the system reported by zookeeper
ZK_PACKETS_SENT	Total number of packages sent from Zookeeper
ZK_PACKETS_RECEIVED	Total number of packages received in Zookeeper
ZK_MIN_LATENCY	The minimum latency measured by Zookeeper
ZK_EPHEMERALS_COUNT	The total amount of ephemerals in Zookeeper
ZK_ZNODE_COUNT	Total number of data registers in Zookeeper
ZK_MAX_FILE_DESCRIPTOR_COUNT	Total maximum number of filedescriptors allowed to open
ZK_AVG_LATENCY	The average latency measured by Zookeeper
ZK_MAX_LATENCY	The maximum latency measured by Zookeeper
ZK_OUTSTANDING_REQUESTS	Total number of requests waiting to be processed by Zookeeper
ZK_SERVER_STATE	Shows the server is currently a leader or a follower in the cluster
ZK_APPROXIMATE_DATA_SIZE	The approximate size of the data being handled by Zookeeper
ZK_FOLLOWERS	The number of servers using this Zookeeper node as a leader
ZK_SYNCED_FOLLOWERS	Zookeeper server nodes which are synchronized with this leader
ZK_PENDING_SYNCS	Synchronization requests which are yet to be processed