Merge pull request #8299 from urbas/max-substitution-jobs

`max-substitution-jobs` setting

1 files changed, 9 insertions, 0 deletions

diff --git a/src/libstore/globals.hh b/src/libstore/globals.hh
index 609cf53b8..c41125523 100644
--- a/src/libstore/globals.hh
+++ b/src/libstore/globals.hh
@@ -159,6 +159,15 @@ public:
         )",
         {"build-max-jobs"}};
 
+    Setting<unsigned int> maxSubstitutionJobs{
+        this, 16, "max-substitution-jobs",
+        R"(
+          This option defines the maximum number of substitution jobs that Nix
+          will try to run in parallel. The default is `16`. The minimum value
+          one can choose is `1` and lower values will be interpreted as `1`.
+        )",
+        {"substitution-max-jobs"}};
+
     Setting<unsigned int> buildCores{
         this,
         getDefaultCores(),