Makes sense, and you're right that it's a unique issue. In flash sales our page caching solution becomes less than useful, because every sale invalidates the p

Makes sense, and you're right that it's a unique issue. In flash sales our page caching solution becomes less than useful, because every sale invalidates the page cache (in case their shop template changes to reflect quantity). We cache individual records as well with our open-sourced https://github.com/Shopify/identity_cache https://github.com/Shopify/identity_cache gem but still have to render the liquid template.