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Varnish - Wikitech

https://wikitech.wikimedia.org/wiki/varnish

“Varnish is a caching HTTP proxy used as the frontend (in-memory) component of Wikimedia's CDN. TTL Varnish object life time In general, the time-to-live (TTL) of an object is set to the max-age value specified by application servers in the Cache-Control header. A ceiling for max-age is provided by...” (from the page’s text)

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7 Jul 2025
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