readahead(8)

readahead8

File preloader for boot process optimization

Usage

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

Overview

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.

-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

Releases

3 releases since Debian 6.0 (Squeeze); the text changed 1 time.

  1. 6.0
  2. 7–8

--fadvise until Debian 6.0 (Squeeze); -f until Debian 6.0 (Squeeze).