diff options
| author | zimbatm <zimbatm@zimbatm.com> | 2020-11-30 14:20:28 +0100 |
|---|---|---|
| committer | zimbatm <zimbatm@zimbatm.com> | 2020-11-30 14:24:40 +0100 |
| commit | bbc9af1f0a30fe8106d6fb90f15ebb01845b3008 (patch) | |
| tree | 7918ef3e7e2c99f923b401c7145644fcdfb33bf4 /doc | |
| parent | c5d33689da8a287ebe50a6d8e07a553e8aa4b316 (diff) | |
tree-wide: do not use pkgs.extend in nixpkgs
Each invocation of pkgs.extends adds 130MB of allocation to the hydra
evaluator. We are already struggling with the amount of memory nixpkgs
requires.
`pkgs.extend` is a useful escape-hatch, but should be not be used inside
of nixpkgs directly.
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/using/overlays.xml | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/doc/using/overlays.xml b/doc/using/overlays.xml index 4937e9508857..caacb0a04622 100644 --- a/doc/using/overlays.xml +++ b/doc/using/overlays.xml @@ -28,6 +28,7 @@ </para> <para> + NOTE: DO NOT USE THIS in nixpkgs. Further overlays can be added by calling the <literal>pkgs.extend</literal> or <literal>pkgs.appendOverlays</literal>, although it is often preferable to avoid these functions, because they recompute the Nixpkgs fixpoint, which is somewhat expensive to do. </para> </section> |