Monitoring and Alarming help ensure high reliability, availability and performance of CVMs. When you create a CVM, Cloud Monitor will be activated for free by default, through which you can analyze and implement alarms and get CVM monitoring metrics.
This document describes the CVM monitoring and alarm features. For more information, see the Cloud Monitor documentation .
CVM Monitoring and Alarming displays complete monitoring data of different CVM key metrics in real time. With this feature, you can have a comprehensive understanding of the resource usage, performance, and running status of the CVM instance. You can also configure custom alarm thresholds and notification rules.
You can access the following CVM monitoring and alarms features in the Cloud Monitor console:
|Monitor Overview||Displays the overall monitoring information for Tencent Cloud services||Provides the overall information and alarms for Tencent Cloud services|
|Alarm Policy||Displays the custom alarm policy list||Supports alarm configuration for CVM|
|Cloud Virtual Machine||Displays the specific CVM monitoring information||Allows you to view the CVM monitoring data|
|Dashboard||Displays the custom monitoring dashboard||Graphically displays monitoring data to facilitate the dynamic metric analysis|
|Custom Monitoring||Displays the custom monitoring metrics||Allows you to view the predefined custom monitoring metrics and reported data|
|Traffic Monitoring||Displays the traffic monitoring||Allows you to view your overall bandwidth usage|
For more information about Cloud Monitor, see Product Overview.
To monitor instance performance benchmarks, you should monitor at least the following items. You can go to the CVM console to obtain related monitoring information on the instance details page.
|Monitoring Item||Monitoring Metric||Description|
|CPU usage||cpu_usage||CPU usage ratio. The data is collected and reported by the internal monitoring component of the server, making the data more accurate.|
|Memory utilization||mem_usage||The ratio of the actual amount of memory used by the user to the total amount of memory, excluding the memory occupied by buffer and system cache.|
|Private network outbound bandwidth||lan_outtraffic||Average outbound traffic per second of private ENI.|
|Private network inbound bandwidth||lan_intraffic||Average inbound traffic per second of private ENI.|
|Public network outbound bandwidth||wan_outtraffic||Average outbound traffic per second over the public network. The minimum granularity for bandwidth statistics is 10 seconds (bandwidth calculation method: total traffic in 10 seconds divided by 10 seconds).|
|Public network inbound bandwidth||wan_intraffic||Average inbound traffic per second of the public network.|
|Disk usage||disk_usage||Disk usage.|
|Disk I/O wait time||disk_io_await||Average wait time per disk I/O operation.|