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NGINX Variables: Scope, Handlers, and Common Pitfalls


by Danila Vershinin, July 25, 2026

How NGINX variables really work: per-request containers, get handlers, lazy-and-cached map values, the empty-versus-not-found distinction, and subrequest isolation, with runnable, curl-verified examples using the echo, set-misc, lua, and array-var modules.

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NGINX Maps Hash Tuning: Complete Configuration Guide


by Danila Vershinin, September 1, 2022

Settings NGINX maps correctly for large datasets, tuning based on CPU cache line size and understanding NGINX error messages.

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