Insights
Engineering notes, infrastructure deep dives and practical guides from the Exotecho team.
The claim When a software estimate turns out to be half of what the project actually cost, the usual explanation — padding was insufficient, the team was optimistic — misses the me...
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The claim A TLS certificate that a human has to remember to renew will, eventually, expire on a weekend and take your site down — and the industry is actively removing the margin f...
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The claim A scheduled job that runs silently and is only noticed when it fails is not a reliable job — it is a job that has already failed silently at least once and nobody knew. C...
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The claim The place to reject abusive traffic is the cheapest place in your stack to reject it, and that is the reverse proxy at the edge — before the request reaches your applicat...
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The claim When a business chooses a hosting provider or a support vendor primarily on monthly price, it is optimising the smallest term in the equation. The cost that dominates the...
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The claim An average response time is close to useless as a health metric, because it is dominated by the many fast requests and says nothing about the few slow ones — and the slow...
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The claim Teams adopt infrastructure-as-code for the reproducibility and then store the one file that makes it reproducible — the state file — on a laptop, in a Git repository, or...
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The claim Before you scale up the database instance, add a read replica, or rewrite an endpoint, run one query. In almost every under-performing application we are asked to look at...
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The claim A small business does not need a backup appliance, a vendor contract, or a six-figure disaster-recovery product to protect its data properly. A single open-source tool wr...
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