Help Center/ Auto Scaling/ FAQs/ AS Policy/ What Monitoring Metrics for an AS Group Will Be Affected If VMTools Are Not Installed on the Instances in the Group?

Updated on 2025-11-05 GMT+08:00

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What Monitoring Metrics for an AS Group Will Be Affected If VMTools Are Not Installed on the Instances in the Group?

If VMTools are not installed on ECS instances, Cloud Eye can monitor metrics Outband Incoming Rate and Outband Outgoing Rate but cannot monitor metrics Memory Usage, Inband Incoming Rate, and Inband Outgoing Rate. This will reduce data accuracy of CPU usage.

If the ECS instances are I/O-optimized, Cloud Eye cannot monitor metrics Disk Usage, Inband Incoming Rate, and Inband Outgoing Rate of instances no matter VMTools are installed or not.

If VMTools are not installed on ECS instances, AS cannot obtain the memory usage, inband incoming rate, and inband outgoing rate.

Parent topic: AS Policy

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