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Author Per Buer

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Per Buer is the CTO and founder of Varnish Software, the company behind the open source project Varnish Cache. Buer is a former programmer turned sysadmin, then manager turned entrepreneur. Runs, cross country skis and tries to keep his two boys from tearing down the house.

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Cache Invalidation Strategies With Varnish Cache

April 23, 2014 — Phil Karlton once said, “There are only two hard things in Computer Science: cache invalidation and naming things.” This article is about the harder of these two: cache invalidation. It’s directed at readers who already work with Varnish Cache. To learn more … Read More…