Both these are set to 300. However newly created EC2 instances take quite some time to show up in Splunk, upwards of hours. Based on my inputs.conf, they should show up in minutes.
[aws_cloudwatch://************]
aws_account = ***********
aws_region = us-west-1,us-west-2,us-east-1
index = main
metric_dimensions = [{"InstanceId": [".*"]}]
metric_names = ["CPUCreditBalance", "CPUCreditUsage", "CPUUtilization", "StatusCheckFailed_Instance"]
metric_namespace = AWS/EC2
period = 300
polling_interval = 300
sourcetype = aws:cloudwatch
statistics = ["Minimum", "Maximum", "Sum", "Average"]
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