Insights
Engineering notes, infrastructure deep dives and practical guides from the Exotecho team.
The claim Accessibility is filed under "nice to have" in most Ontario businesses' backlogs. It has not been optional since January 1st, 2021. Under the Integrated Accessibility Sta...
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The claim Most cascading outages are not caused by a component failing. They are caused by a component being slow while every timeout in the stack is longer than the one upstream o...
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The claim Most staging environments differ from production in ways that guarantee they cannot catch the failures people expect them to catch: a smaller database, different configur...
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The claim The estimate for a full rewrite is derived from the features you can see. The cost is driven by the features you cannot — the eleven years of edge cases, exceptions and q...
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The claim Free-text log lines without a correlation identifier are not diagnostic data. They are a diary. During an incident you cannot answer the only question that matters — what...
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The claim Businesses spend real money on redundant servers, replicated databases and multi-region backups, then protect the domain name that points at all of it with a shared passw...
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The claim Any call to a third-party service inside a request handler makes that service a hard dependency of your application. Sending mail synchronously means your order confirmat...
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The claim Caching a dynamic page for one second sounds pointless. It is the single highest-leverage configuration change available to a small site, because it converts an unbounded...
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The claim Nearly every IT support agreement in this market is written around response time. A one-hour response commitment is satisfied by an automated ticket acknowledgement. It o...
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