Last updated: 2019-07-26 18:06:22PDF
Tencent Cloud Monitor provides a rich set of alarming services for EMR. You can create alarm policies for servers and cluster in the Cloud Monitor Console.
Log in to the Cloud Monitor Console and click Create on the Alarm Policy page in the left sidebar.
Configure policy information and select EMR policyas the policy type.
EMR supports two types of alarm: Server Alarm and Cluster Alarms. Server Alarm includes both metric alarm and event alarm; Cluster Alarm includes only metric alarm.
- Choose Server Alarm if you want to monitor the status of the hardware on each node, such as CPU utilization, memory usage, and pingability.
- Choose Cluster Alarm If you want to monitor your cluster’s performance. The monitoring metrics include HDFS storage capacity, number of YARN application blocks and number of failures.