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Hybrid IT Monitoring
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This is an Open Source ZenPack developed by Zenoss, Inc. Enterprise support for this ZenPack is available to commercial customers with an active subscription.
The ZenPacks.zenoss.HBase ZenPack monitors HBase clusters via Apache HBase REST Interface and Python twisted.web.client asynchronous framework.
The features added by this ZenPack can be summarized as follows. They are each detailed further below.
The following components will be automatically discovered through zProperties you provide:
The following metrics will be collected and graphed every 5 minutes by default:
The following events will be triggered with respect to the monitored metrics:
When combined with the Zenoss Service Dynamics product, this ZenPack adds built-in service impact capability for HBase. The following service impact relationships are automatically added. These will be included in any services containing one or more of the explicitly mentioned entities.
Use the following steps to start monitoring HBase:
Alternatively you can use zenbatchload to add HBase monitoring servers from the command line. To do this, you must create a text file with hostname, username and password of all the servers you want to add. The devices should be added under the target machine device class (e.g. '/Devices/Server/Linux' in the example below).
/Devices/Server/Linux <HOST NAME or IP>
zCollectorPlugins=['HBaseCollector', 'HBaseTableCollector'], zHBaseRestPort='8080', zHBaseMasterPort='60010', zHBaseRegionServerPort='60030', zHBasePassword='', zHBaseUsername='', zHBaseScheme='<http(s)>'
You can then load the HBase monitoring servers into Zenoss Core or Resource Manager as devices with the following command.
$ zenbatchload <filename>
Access authentication may be configured on the target machine in one of the following ways:
This ZenPack uses the Apache HBase REST Interface for performance monitoring, therefore the rest daemon should be started and running on the port specified in zHBaseRestPort zProperty.
You can start the rest daemon by executing the following command: bin/hbase-daemon.sh start rest
bin/hbase-daemon.sh start rest
Please make sure that the ports for the HBase Master web UI and Hbase Regionserver web UI are correctly set in zHBaseMasterPort and zHBaseRegionServerPort zProperties, and that the UI instances are running, as they are used for monitoring.
Please refer to the Zenoss Service Dynamics documentation if you run into any of the following problems:
If you cannot find the answer in the documentation, then Resource Manager (Service Dynamics) users should contact Zenoss Customer Support. Core users can use the #zenoss IRC channel or the community.zenoss.org forums.
Installing this ZenPack will add the following items to your Zenoss system.
$ sudo su - zenoss
$ zenpack --install ZenPacks.zenoss.HBase-*.egg
$ zenoss restart
In order to do a development mode installation you will want to clone the existing git repository, and then use the --link flag with the zenpack command:
$ git clone https://github.com/zenoss/ZenPacks.zenoss.HBase.git
$ zenpack --link --install ZenPacks.zenoss.HBase
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This ZenPack is developed and supported by Zenoss Inc. Contact Zenoss to request more information regarding this or any other ZenPacks. Click here to view all available Zenoss Open Source ZenPacks.