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We are using EC2 instances and are monitoring the server usage.

Right now the main metric we are looking at is idle CPU: Monitoring load on AWS EC2

However, I am also hoping to monitor "load" as measured by the top command. We are running on large instances, so it appears to us as if we have 2 cores.

For fully owned servers, I usually set the trigger value to slightly higher than the number of cores (e.g. if 2 cores, trigger an alert if the load is over 2.5 for more than a minute). Is this still the right thing to do on EC2?

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After finding out that load measures correctly for each user on EC2, we went with our standard load triggers.

For us that is half a CPU above the max for more than 5 minutes.

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