Insights
Engineering notes, infrastructure deep dives and practical guides from the Exotecho team.
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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The claim A floating-point number cannot represent ten cents exactly, so any system that stores money in a float column will, given enough transactions, produce totals that are off...
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The claim When you add a third-party plugin, extension, or library to the software your business runs on, the feature list is the least important thing to evaluate. The number that...
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The claim A monitor that fetches your homepage and checks for a 200 status confirms the least useful thing about your business: that a web server is running. The failures that cost...
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The claim Give every business record a stable, public-safe identifier at the moment it is created, separate from its database primary key. The auto-incrementing integer is fine ins...
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