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* Allow the size of the GC reserved file to be specified in nix.conf

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through the new `gc-reserved-space' option.
This commit is contained in:
Eelco Dolstra 2006-02-16 13:58:10 +00:00
parent 651ab439cf
commit 345a95afe9
5 changed files with 62 additions and 14 deletions
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29
nix.conf.example
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@ -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 =