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Can you run HAProxy as a Docker container? Yes! Did you even need to ask? Docker is ubiquitous these days and you’ll find that many applications have been Docker-ized; the HAProxy load balancer is no exception. Pardon the cliché, but HAProxy was born for this. As a standalone service that runs on Linux, porting it to Docker certainly seemed natural. Why would you want to run your load balancer inside of a Docker container? Are their performance penalties when doing so?
Amazon Elastic File System (EFS) provides shared, persistent, and elastic storage in the AWS cloud. Like Amazon S3, EFS is a highly available managed service that scales with your storage needs, and it also enables you to mount a file system to an EC2 instance, similar to Amazon Elastic Block Store (EBS).
In Part 1 of this series, we looked at EFS metrics from several different categories—storage, latency, I/O, throughput, and client connections. In this post, we’ll show you how you can collect those metrics—as well as EFS logs—using built-in and external tools.