The True Cost of a 'Quick Test' on AWS
Description
This is a two-panel meme that highlights the dangers of underestimating cloud costs. In the first panel, there's a stock photo of a smiling developer with the caption: 'Let's just use this managed NAT gateway for our dev environment, it's easier.' The second panel is a stark, close-up image of an empty wallet, with a single moth flying out, captioned: 'The AWS bill at the end of the month.' The meme humorously illustrates a common and painful lesson in the cloud era: convenience services, especially those related to networking, can have exorbitant and non-obvious costs. It resonates with senior engineers, architects, and anyone who has had to explain a surprisingly large cloud bill to their finance department, serving as a cautionary tale about the importance of understanding cloud pricing models
Comments
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There are two stages of a developer's career: the stage where you worry about the cost of a new laptop, and the stage where you worry about accidentally costing the company a new laptop every hour with an unoptimized S3 lifecycle policy
I was about to wire the Death Note into our Kafka off-boarding stream - then I remembered we only guarantee at-least-once delivery. Explaining duplicate deaths to Legal isn’t in my SLA
After 20 years in the industry, I've learned that the real Death Note is deploying untested code on Friday afternoon - it kills your weekend plans with the same certainty, but the stack trace is much harder to debug than a supernatural notebook
The real horror isn't the Death Note accepting if/and/or statements - it's realizing you'd need to handle edge cases, write unit tests, and deal with race conditions when multiple developers push to the same 'target' branch. Plus, imagine the code review: 'LGTM, but did you consider what happens when the victim's name has Unicode characters or is null?'
If the Death Note supports predicates, ship it behind a feature flag and make writes idempotent - otherwise your auto-retry on transient timeouts will turn a flaky network into duplicate funerals
Death Note with if/else? Finally, a conditional killer that doesn't introduce race conditions
The Death Note is a side‑effect‑only DSL with no rollback, no canary, and undefined behavior on typos - aka our legacy prod cron
Dry mode will be useful. Comment deleted
wait, how did he... No, I literally never typed his name here... Ah, I misspelled, right... Comment deleted
Meanwhile stackoverflow: Help guys, death note kills all his child processes after (...) Comment deleted
From the same post Comment deleted