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You're totally right. Apparently this on the Nextjs team's radar though: >Up next, we will be working on a supplemental RFC to address two additional incremen

by acoard 6y ago

You're totally right. Apparently this on the Nextjs team's radar though: >Up next, we will be working on a supplemental RFC to address two additional incremental static generation capabilities: > - Re-generating and invalidating multiple pages at once (like your blog index and a certain blog post) > - Re-generating by listening to events (like CMS webhooks), ahead of user traffic Source: https://nextjs.org/blog/next-9-5#stable-incremental-static-regeneration https://nextjs.org/blog/next-9-5#stable-incremental-static-r... But yeah, if you have 10k pages it seems unavoidable to me that initial build time will be high. With `fallback: 'blocking` you could decide to build each page at runtime when it is requested for the first time – this spreads out initial build time. What would be nice is being able to re-use compiled pages across builds. Imagine having 10k pages compiled, and you have to push out a new build that only updates 5 pages, or none at all (eg an API change). It would be nice if it could make use of the compiled pages from the previous build, only re-compiling the pages that needed it. Of course the devil is in the details, and figuring out which pages need to be re-compiled basically requires you re-building the pages.

rory 6y ago
Right, actually building all those pages at once necessarily takes time. But on Netlify, most of my build time isn't actually used doing `next build`, it's the un-logged-to-user file transfer to their server / CDN cache invalidation / whatever hosting magic they do after the static files are built. So at least in my case, NextJS would have to create a way to not rebuild files that haven't changed, and then the hosting/CDN provider would also need to be able to see which files those are and respond accordingly. This all seems very doable eventually though.

by acoard 6y ago

rory 6y ago

Right, actually building all those pages at once necessarily takes time. But on Netlify, most of my build time isn't actually used doing `next build`, it's the un-logged-to-user file transfer to their server / CDN cache invalidation / whatever hosting magic they do after the static files are built. So at least in my case, NextJS would have to create a way to not rebuild files that haven't changed, and then the hosting/CDN provider would also need to be able to see which files those are and respond accordingly. This all seems very doable eventually though.