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[Guest Post] Why I became a performance engineer
First Off, I want to thank Gary for giving me an opportunity to be a guest writer on his blog,…
Category: Miscellaneous
Things the don’t belong elsewhere
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Cross rack network latency in AWS
I have VMs running on bare-metal instances. Each bare-metal instance is in a separate rack by design (for fault tolerance).…
1 min read
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Quick & Dirty Prometheus on OS-X
How to install Prometheus on OS-X Install prometheus $ cd /Users/gary.little/Downloads/prometheus-2.16.0-rc.0.darwin-amd64$ ./prometheus Add a collector/scraper to monitor the OS Prometheus…
4 min read
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Meltdown, speculative execution and side-channels explainer.
There are a lot of explanations for the current Meltdown/Spectre crisis but many did not do a good job of…
1 min read
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Simple statistics for performance analysts.
As performance analysts we often have to summarize large amounts of data in order to make engineering decisions or understand…
1 min read
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Code Red – The healthcare.gov story.
A downtime classic, for several months in 2013 the troubles of a very particular website were front page news across…