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| author | Javier Jardón <jjardon@gnome.org> | 2018-08-08 13:40:54 +0100 |
|---|---|---|
| committer | Javier Jardón <jjardon@gnome.org> | 2018-08-09 17:31:15 +0100 |
| commit | 4e1488ee4849894f8476fc1fafcf6911d18b94a7 (patch) | |
| tree | 052038eeee0a3c4a1c9dc07290e0b1904e7953d8 | |
| parent | 2d0611737481825fe20113723a5e6c3a7e0bbc53 (diff) | |
| download | buildstream-4e1488ee4849894f8476fc1fafcf6911d18b94a7.tar.gz | |
buildstream/_project.py: Restrict max-jobs
even if the machine have mores cores available
Patch taken from YBD: https://gitlab.com/baserock/ybd/blob/master/ybd/app.py#L227
| -rw-r--r-- | buildstream/_project.py | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/buildstream/_project.py b/buildstream/_project.py index ba49f7d73..951662e2b 100644 --- a/buildstream/_project.py +++ b/buildstream/_project.py @@ -571,7 +571,10 @@ class Project(): # Extend variables with automatic variables and option exports # Initialize it as a string as all variables are processed as strings. - output.base_variables['max-jobs'] = str(len(os.sched_getaffinity(0))) + # Based on some testing (mainly on AWS), maximum effective + # max-jobs value seems to be around 8-10 if we have enough cores + # users should set values based on workload and build infrastructure + output.base_variables['max-jobs'] = str(min(len(os.sched_getaffinity(0)), 8)) # Export options into variables, if that was requested output.options.export_variables(output.base_variables) |