I have a load balancer in ap-northeast-1 (Tokyo) region.
According to this article, I think I should be able to find Backend Connection Errors, Surge Queue Length, and Spillovers metrics in CloudWatch. But I can't find them.
Are these metrics only available in specific regions?
I've googled for hours but failed to find an answer.
Currently I can see 15 metric for my ELB, which are
Average Latency
Sum Requests
Sum HTTP 5XXs
Sum HTTP 4XXs
Sum ELB 5XXs
Sum ELB 4XXs
Target connection errors
Sum rejected connections
Target TLS Negotiation Errors
Sum HTTP 3XXs
Sum HTTP 3XXs
Sum HTTP 2XXs
Active Connection Count
New Connection Count
Processed Bytes
Open the Amazon EC2 console at https://console.aws.amazon.com/ec2/ . In the navigation pane, choose Instances. Select the instance and choose Actions, CloudWatch Monitoring, Enable Detailed Monitoring. In the Enable Detailed Monitoring dialog box, choose Yes, Enable.
However, it can take up to 15 minutes before the new metric appears in the list of metrics retrieved using the list-metrics command. Although you can publish data points with time stamps as granular as one-thousandth of a second, CloudWatch aggregates the data to a minimum granularity of 1 second.
The AWS documentation lists:
The Classic list includes:
If these metrics are not appearing, it may be because the values are zero. Typically, zero values are not sent to Amazon CloudWatch.
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