HBase plugin

This plugin collects metrics from a HBase Region Server.

Prerequisites

Meter 4.2 or later must be installed.

The HBase plugin supports the following Operating Systems.

Linux
Windows
Smart OS
OS X

Plugin Setup

Enable JMX Metrics

Click here to view the procedure to enable JMX metrics in HBase.

Set JAVA_HOME Environment Variable

Ensure that the JAVA_HOME environment variable is by running the following on a Linux/UNIX platform:

    $ echo $JAVA_HOME

Or on Windows from a cmd shell: bash % set JAVA_HOME 2. If JAVA_HOME is not set then configure appropriately for the target operating system and re-verify.

To install the plugin

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.

Configuration details

Field Name	Description
Hostname	The hostname or IP address of the JMX Region server
Port	The port of the JMX Region server
Username	If the JMX endpoint is password protected, what username should graphdat use when calling it.
Password	If the JMX endpoint is password protected, what password should graphdat use when calling it.
Poll Seconds	How often should the plugin poll the JMX endpoint
Source	The Source to display in the legend for the HBase data. It will default to the hostname of the server

Advanced configuration

To customize this plugin, see HBase plugin on GitHub.

Plugin metrics

Metric Name	Description
HBase Cache Read Ratio	The cache-hit ratio for reads configured to look in the cache
HBase Compaction Targets	The number of Stores in the Region Server that have been targeted for compaction
HBase Flush Queue	The number of enqueued regions in the MemStore awaiting flush
HBase Local Block Ratio	The percentage of HDFS blocks that are local to this Region Server
HBase Memstore Size	The sum of all the memstore sizes in this Region Server
HBase Regions in a Region Server	The number of regions served by the Region Server.
HBase Reads	The number of read requests for this Region Server.
HBase Slow Writes	The number of slow HLog append writes for this Region Server, where slow is > 1 second.
HBase Memory	The amount of memory used by the RegionServer.
HBase Writes	The number of write requests for this Region Server.