Hello! May be, nix should compress logs in /nix/var/log/nix/drvs (using gzip or bzip2). You don't need these files unless you are debugging something and `du -sh /nix/var/log/nix/drvs` outputs 161M on my notebook. -- Yura, mailto: urkud at mccme.ru Jabber: urkud.urkud at gmail.com ICQ: 174534205