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Monitoring Unhealthy Hosts in Application ELB Target Group in Cloudwatch

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We have a cloudwatch monitor setup where an alert is fired if the number of unhealthy hosts is < 2 for 120 seconds. Over the past week or so, an alert has been fired and when I go into cloudwatch I see that the value for Unhealthy hosts is 1.83 or 1.66, I thought it would have been an on or off thing, and go to 1, not some random decimal in between 2 and 1. Has anyone see this behavior before?

Topics
Management & GovernanceComputeNetworking & Content Delivery
Tags
Amazon CloudWatchAmazon EC2Elastic Load Balancing
Language
English
asked 3 years ago2.7K views
1 Answer
0
Accepted Answer

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Verify that the statistic for Unhealthy hosts is Maximum and not Average. You can get such values when it's set to Average.

--Syd

answered 3 years ago
  • rePost-User-5075704
    3 years ago

    Thank you! I'll test that out and mark this accepted for now as I think it'll do the trick.

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