I just realized that I didn’t publicize this in the Postgres world, or anywhere but the MySQL blogosphere for that matter. Some folks at my company have released a generic TCP-response-time tool. Very useful for monitoring, benchmarks, historical metrics, and so on. It’s kind of like iostat, but for TCP traffic, and fully focused on time, not traffic size. Performance == time and tasks, and this is a lightweight way to measure that data. I wrote an introductory blog post here, and the documentation is here.

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