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| -rw-r--r-- | doc/guix.texi | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index ce501188c8..29e12456ea 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -139,7 +139,7 @@ This section describes the software requirements of Guix, as well as how to install it and get ready to use it. The build procedure for Guix is the same as for other GNU software, and -are not covered here. Please see the files @file{README} and +is not covered here. Please see the files @file{README} and @file{INSTALL} in the Guix source tree for additional details. @menu @@ -233,7 +233,7 @@ The @code{guix-daemon} program may then be run as @code{root} with: @end example Guix may also be used in a single-user setup, with @command{guix-daemon} -running as a unprivileged user. However, to maximize non-interference +running as an unprivileged user. However, to maximize non-interference of build processes, the daemon still needs to perform certain operations that are restricted to @code{root} on GNU/Linux: it should be able to run build processes in a chroot, and to run them under different UIDs. @@ -330,9 +330,19 @@ processes to gain access to undeclared dependencies. @item --disable-log-compression Disable compression of the build logs. +Unless @code{--lose-logs} is used, all the build logs are kept in the +@var{localstatedir}. To save space, the daemon automatically compresses +them with bzip2 by default. This option disables that. + @item --disable-store-optimization Disable automatic file ``deduplication'' in the store. +By default, files added to the store are automatically ``deduplicated'': +if a newly added file is identical as another one found in the store, +the daemon makes the new file a hard link to the other file. This +slightly increases the input/output load at the end of a build process. +This option disables this. + @item --impersonate-linux-2.6 On Linux-based systems, impersonate Linux 2.6. This means that the kernel's @code{uname} system call will report 2.6 as the release number. @@ -545,7 +555,7 @@ deleted. The set of garbage collector roots includes default user profiles, and may be augmented with @command{guix-build --root}, for example (@pxref{Invoking guix-build}). -The @command{guix-gc} command has three modes of operations: it can be +The @command{guix-gc} command has three modes of operation: it can be used to garbage-collect any dead files (the default), to delete specific files (the @code{--delete} option), or to print garbage-collector information. The available options are listed below: |