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author | Eelco Dolstra <e.dolstra@tudelft.nl> | 2006-02-16 13:58:10 +0000 |
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committer | Eelco Dolstra <e.dolstra@tudelft.nl> | 2006-02-16 13:58:10 +0000 |
commit | 345a95afe9e265bc433eea46c32c507ea84a72a4 (patch) | |
tree | 742bf5e45e2eeaf00673fe30fe13726531733b56 /nix.conf.example | |
parent | 651ab439cf5b0c6ab2044257a30b0d94406d57d3 (diff) | |
download | guix-345a95afe9e265bc433eea46c32c507ea84a72a4.tar.gz |
* Allow the size of the GC reserved file to be specified in nix.conf
through the new `gc-reserved-space' option.
Diffstat (limited to 'nix.conf.example')
-rw-r--r-- | nix.conf.example | 29 |
1 files changed, 24 insertions, 5 deletions
diff --git a/nix.conf.example b/nix.conf.example index e2735d1807..97c6f4b15c 100644 --- a/nix.conf.example +++ b/nix.conf.example @@ -11,7 +11,7 @@ # build time (e.g., the C compiler, or source tarballs downloaded from # the network). To prevent it from doing so, set this option to # `true'. -gc-keep-outputs = false +#gc-keep-outputs = false ### Option `gc-keep-derivations' @@ -26,7 +26,26 @@ gc-keep-outputs = false # store path was built), so by default this option is on. Turn it off # to safe a bit of disk space (or a lot if `gc-keep-outputs' is also # turned on). -gc-keep-derivations = true +#gc-keep-derivations = true + + +### Option `gc-reserved-space' +# +# This option specifies how much space should be reserved in normal +# use so that the garbage collector can run succesfully. Since the +# garbage collector must perform Berkeley DB transactions, it needs +# some disk space for itself. However, when the disk is full, this +# space is not available, so the collector would not be able to run +# precisely when it is most needed. +# +# For this reason, when Nix is run, it allocates a file +# /nix/var/nix/db/reserved of the size specified by this option. When +# the garbage collector is run, this file is deleted before the +# Berkeley DB environment is opened. This should give it enough room +# to proceed. +# +# The default is "1048576" (1 MiB). +#gc-reserved-space = 1048576 ### Option `env-keep-derivations' @@ -46,7 +65,7 @@ gc-keep-derivations = true # this one is `sticky': it applies to any user environment created # while this option was enabled, while `gc-keep-derivations' only # applies at the moment the garbage collector is run. -env-keep-derivations = false +#env-keep-derivations = false ### Option `build-allow-root' @@ -56,7 +75,7 @@ env-keep-derivations = false # performed under the `root' user. If `false', builds are performed # under one of the users listed in the `build-users' option (see # below). -build-allow-root = true +#build-allow-root = true ### Option `build-users' @@ -77,4 +96,4 @@ build-allow-root = true # # Example: # build-users = nix-builder-1 nix-builder-2 nix-builder-3 -build-users = +#build-users = |