Reliable Insights

A blog on monitoring, scale and operational Sanity

January 8, 2018

Measuring the performance impact of Meltdown/Spectre with Prometheus

The world of infosec is alarmed right now over the recent security vulnerabilities disclosed by Google on Wednesday that affect Intel, AMD, and ARM chips.
The now infamous Meltdown and Spectre bugs allow for the reading of sensitive information from a system's memory, including passwords, private keys and other sensitive information.

Thankfully fixes are being swiftly rolled out to patch these issues, however they come at a performance cost which we will use Prometheus to explore in this blogpost.

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June 19, 2017

Blackbox Exporter Benchmarking

Have you ever wondered how many CPU seconds it takes to probe an instance via TCP or HTTP 100, 1,000, or 10,000 times?

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January 9, 2017

How much RAM does my Prometheus need for ingestion?

It can be a little confusing to figure out Prometheus memory usage. Let's break part of it down.

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