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My worst bug was changing how a zip code zone was fetched from the cache in a large ecommerce site with tens of thousands users using it all day long. Worked g
by swalsh 3y ago
My worst bug was changing how a zip code zone was fetched from the cache in a large ecommerce site with tens of thousands users using it all day long. Worked great in DEV :D but when the thundering herd hit it, the entire site came down.
- jacquesm 3y agoStartup, shutdown and migration are all periods of significantly elevated risk. Especially for systems that have been in the air for a long time there are all kinds of ways in which things can go pear shaped. Drives that die on shutdown (or the subsequent boot up), raids that fail to rebuild, cascading failures, power supplies that fail, UPS's that fail, generators that don't start (or that run for 30 seconds and then quit because someone made off with the fuel) and so on.