The Netflix Tech Blog: Linux Performance Analysis in 60,000 Milliseconds



The Netflix Tech Blog: Linux Performance Analysis in 60,000 Milliseconds

Linux Performance Analysis in 60,000 Milliseconds You login to a Linux server with a performance issue: what do you check in the first minute? At Netflix we have a massive EC2 Linux cloud, and numerous performance analysis tools to monitor and investigate its performance. These include Atlas for cloud-wide monitoring, and Vector for on-demand instance analysis. While those tools help us solve most issues, we sometimes need to login to an instance and run some standard Linux performance tools. In this post, the Netflix Performance Engineering team will show you the first 60 seconds of an optimized performance investigation at the command line, using standard Linux tools you should have available. First 60 Seconds: Summary In 60 seconds you can get a high level idea of system resource usage and running processes by running the following ten commands. Look for errors and saturation metrics, as they are both easy to interpret, and then resource utilization.

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