5. (Optional) Enabling HBase Region and Table Metrics
Ambari disables HBase metrics (per region and per table) by default. HBase metrics can be numerous and can cause performance issues. HBase RegionServer metrics are available by default.
If you want HBase (per region and per table) metrics to be collected by Ambari, you can do the following. It is highly recommended that you test turning on this option and confirm that your AMS performance is acceptable.
On the Ambari Server, browse to:
/var/lib/ambari-server/resources/common-services/HBASE/0.96.0.2.0/package/templatesEdit the following template files:
hadoop-metrics2-hbase.properties-GANGLIA-MASTER.j2hadoop-metrics2-hbase.properties-GANGLIA-RS.j2Comment out (or remove) the following lines:
*.source.filter.class=org.apache.hadoop.metrics2.filter.GlobFilterhbase.*.source.filter.exclude=*Regions*Save the template files and restart Ambari Server for the changes to take effect.
![[Important]](../common/images/admon/important.png) | Important |
|---|---|
If you upgrade Ambari to a newer version, you will need to re-apply this change to the template file. |