Manpages

NAME

readahead − file preloader for boot process optimization

SYNOPSIS

readahead [options] <file-list> [another-file-list [...]]

DESCRIPTION

readahead is a files preloader designed to optimize the disk I/O during the boot process.

OPTIONS

-b, --build

build optimised files list only, without sorting.

-s, --sort

build and sort list of files only (implies −b).

-o, --output <file>

write sorted list of files to file.

-d, --dont-sort

preload files described by an already sorted files list.

-h, --help

print the usage information.

-v, --verbose

enable the verbose mode.

-t, --timing

report time spent on each operation.

-f, --fadvise

use posix_fadvise(2) instead of readahead(2) as preloading method.

-m, --maxsize <max size>

maximum size in KiB a file can be in order to be preloaded, default is 10240.

<file-list> [another-file-list [...]]

One or more files containing the list of files to be preloaded or sorted. The files list can be generated by readahead-collector(8).

FILES

/etc/default/readahead-fedora

SEE ALSO

readahead-collector(8), readahead(2), posix_fadvise(2)

AUTHORS

Arjan van de Ven <arjan [AT] infradead.org>,

Ziga Mahkovec <ziga.mahkovec [AT] klika.si>, Karel Zak <kzak [AT] redhat.com>,

This manual page was written by Raphael Geissert <geissert [AT] debian.org>