擅长:python、mysql、java
<p>您在EC2实例中启用了<a href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-cloudwatch-new.html#enable-detailed-monitoring" rel="nofollow noreferrer">detailed monitoring</a>吗?在</p>
<blockquote>
<p>By default, your instance is enabled for basic monitoring. You can
optionally enable detailed monitoring. After you enable detailed
monitoring, the Amazon EC2 console displays monitoring graphs with a 1-minute period for the instance.</p>
</blockquote>
<p>您将在60秒周期内配置警报,并在1个数据点上发出警报,因此如果度量不是每分钟发布一次<a href="https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/AlarmThatSendsEmail.html#alarm-evaluation" rel="nofollow noreferrer">the alarm will go into insufficient data</a>。您可以在EC2实例中启用详细监视,或者将报警周期更改为300秒。在</p>