Can I set nice value of emerge build with MAKEOPTS?

KintaroBC · n00b Joined: 15 Feb 2014 Posts: 63 Location: Australia

I run a server and running emerge can really make my users PHP sites crawl, and severely increase the load averages on the system. I was wondering if there is a way to use MAKEOPTS to set a nice value to lower the priority of compiler tasks when I emerge packages. If this can be done, I'd really like to know how to do it.

xaviermiller · Posted: Thu Mar 27, 2014 8:25 am Post subject:

Hello,

There is a PORTAGE_NICENESS variable to set in make.conf.
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Kind regards,
Xavier Miller

khayyam · Posted: Thu Mar 27, 2014 8:54 am Post subject:

KintaroBC ...

to follow on from what XavierMiller has said ... you can also adjust IONICE via PORTAGE_IONICE_COMMAND ... eg:

Anon-E-moose · Posted: Thu Mar 27, 2014 8:58 am Post subject:

You can also set the load-average threshold

man emerge, and search for load-average

If it's a multicore processor you can also adjust the "jobs" downward in MAKEOPTS
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PRIME x570-pro, 3700x, 6.1 zen kernel
gcc 13, profile 17.0 (custom bare multilib), openrc, wayland

aCOSwt · Posted: Thu Mar 27, 2014 9:08 am Post subject:

And, even more efficient, set the scheduling model to SCHED_IDLE.
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KintaroBC · n00b Joined: 15 Feb 2014 Posts: 63 Location: Australia

Thanks for all the useful tips in this thread.

Looking into them I've found a lot of options in the manual for make.conf - so this is very appreciated. It's good to use a distro where the community helps users learn rather than just wet nursing their systems like some other distro communities. :-)