NixOS: automatically collect garbage
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- NixOS
The following enables automatic periodic garbage collection:
{
nix.gc.automatic = true;
}
The default behavior (as of ) is to collect garbage daily at 3:15. This can be configured via nix.gc.dates, which (according to the configuration.nix man page) takes “a calendar event in the format specified by ~systemd.time~” or a list of such. “For most desktop and server systems a sufficient garbage collection is once a week”, so:
{
nix.gc.dates = "weekly";
}