Re: [yocto] Improving NPM recipe build speed

["Alessandro Tagliapietra" <tagliapietra.alessandro@gmail.com>]

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Hi Nicolas,

Thank you for the advice, that would work for files outside the npm
packages!

Hopefully there's a way to improve npm install speed too, I was hoping
there was a way to just run npm install instead of going through the yocto
npm process (which takes 30 mins vs < 1 min that npm takesi

--
Alessandro Tagliapietra


On Mon, May 10, 2021 at 2:18 AM Nicolas Jeker <n.jeker@delisys.ch> wrote:

> On Mon, 2021-04-26 at 16:29 -0700, Alessandro Tagliapietra wrote:
> > Hi everyone,
>
> Hi Alessandro,
>
> > I'm making an image that includes the node-red recipe from meta-iot-
> > cloud.
> > The whole process takes about 30+ minutes for that recipe alone (most
> > of the time spent in do_configure).
> > Now I want to override the recipe systemd service file and create a
> > nodered user. Every time I change my bbappend file I have to wait 30+
> > minutes to have the result even for a small systemd file change.
> >
> > Is it possible to speed up the process somehow?
> >
>
> I never worked with node-red in yocto, so I can't speak specifically
> for that, but I encountered similar situations before. Here is what I
> usually do when I need to change a file in a recipe that takes a really
> long time to compile or triggers a rebuild of a ton of other recipes.
>
> This only works for files that don't need to be compiled, like
> configuration files, systemd service files, udev rules etc. I usually
> replace the file in the rootfs directly on the device (or boot from NFS
> and edit the file in the NFS export). For example if I need to change a
> systemd service file, I change the file on my host, copy it with scp to
> the device and check if everything is working as expected. When I'm
> finished, I reintegrate my edits with a bbappend file and check again
> if it works.
>
> > Thanks in advance
>
>

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