Incremental build for Jekyll?

[myildi]

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Dear friends,
I have just started to try GitHub Pages for a blog, and I am happy with it.
I am not sure about one thing: As far as I can understand, Jekyll's build action recreates all MD files each time I run it. Do I understand it correctly? It already takes 42 seconds to rebuild a few pages, and I fear it will take much more when my blog has more posts. How could I ask Jekyll to stop building old pages that I am not planning to change (I understand that they must be rebuilt if I change anything in the CCSs, but I don't do it very frequently, as you can imagine)? Even when I add just a new post, all old pages seem to be rewritten.

And, of course, there is a lack of any analytics information, but I can survive with this.

Thank you for your advice if there is any way to ameliorate the current situation.
Best!

[LiteBrite82]

If you are adding content to the blog via pushing new .md files, then there is nothing to be done for it. The build will need to run every time you make a change to the repo. its the nature of a front end only blog. You could potentially create or use a 3rd party API to store and view your content; though security is an issue because there is no way that I am aware of to hide an API key in the Pages front end.

[myildi]

Hi. I understand this. Jekyll has a "incremental" feature that builds only the new or changed files, if I understand correctly, nut in GHP, incremental is set to false and we cannot change it. There are probably some technical issues that cause this choice, but it makes the build process more lengthy than necessary when we change or add one small MD file.

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[Gabriel-p]

I have this same question. I have a site with thousands o .md files that mostly remain unchanged and every time I want to make a minor change to any portion of any page, Github rebuilds the entire thing.

Is there no way around this?

[SuggonM]

I believe achieveing this should now be possible with incremental: true flag in _config.yml, albeit it seems to be an experimental feature currently

official docs: https://jekyllrb.com/docs/configuration/incremental-regeneration/

[myildi]

Thanks a lot. Sorry, I could not test it before. Unfortunately, it does not seem to work in Github Jekyll. It takes forever to regenerate a small blog I have (nearly 8 minutes to deploy 36 short pages). Maybe it works with the Vailla Jekyll.