[distcc] Alternatives to -j parallel

Łukasz Tasz lukasz at tasz.eu
Tue Sep 6 08:42:22 UTC 2016

Could you please describe more what you would like to achieve?
-j does net decide it compilation will be done with distcc or not,
-j must take into consideration how many distcc agent you have.

you have two dimensions, one is if distcc should be used, and second is
about parallelism.
first dimension is controlled in build system, second can be controlled by
build system, a but also may be limited by distcc.

localslots and localslots_cpp controls parallelism from distcc point of


Łukasz Tasz

2016-09-06 4:11 GMT+02:00 Richard Beare <richard.beare at gmail.com>:

> Hi,
> I'm having a few problems using distcc for a large project on the circleCI
> infrastructure, which has 4GB limits for the compilation hosts.
> Occasionally I see this limit being exceeded when 2 link jobs run on the
> main server at the same time. This happens despite the --localslots=1 and
> localhost/1 settings in the distcc hosts file.
> I suspect the problem is that the large and complex cmake project that is
> being built has its own link mechanism. So my question is whether there is
> an alternative way to pass the parallel option to distcc besides make -jN?
> This would allow the other compile steps that might not be under distcc
> control to run serially on the local host.
> Thanks
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