diff options
Diffstat (limited to 'man/systemd-readahead-replay.service.xml')
| -rw-r--r-- | man/systemd-readahead-replay.service.xml | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/man/systemd-readahead-replay.service.xml b/man/systemd-readahead-replay.service.xml index a00f7e589b..806d46093b 100644 --- a/man/systemd-readahead-replay.service.xml +++ b/man/systemd-readahead-replay.service.xml @@ -72,7 +72,7 @@ time. <filename>systemd-readahead-replay.service</filename> is a service that replays this access data collected at the subsequent boot. Since disks tend to be - magnitudes slower than RAM this is intended to improve + magnitudes slower than RAM, this is intended to improve boot speeds by pre-loading early at boot all data on disk that is known to be read for the complete boot process.</para> @@ -80,9 +80,9 @@ <para><filename>systemd-readahead-done.service</filename> is executed a short while after boot completed and signals <filename>systemd-readahead-collect.service</filename> - to end data collection. On this signal this service + to end data collection. On this signal, this service will then sort the collected disk accesses and store - information about them disk in + information about them in <filename>/.readahead</filename>.</para> <para>Normally, both @@ -92,17 +92,17 @@ are activated at boot so that access patterns from the preceding boot are replayed and new data collected for the subsequent boot. However, on read-only media - where the collected data cannot be stored it might + where the collected data cannot be stored, it might be a good idea to disable <filename>systemd-readahead-collect.service</filename>.</para> <para>On rotating media, when replaying disk accesses - at early boot + at early boot, <filename>systemd-readahead-replay.service</filename> will order read requests by their location on disk. On non-rotating media, they will be ordered by their original access timestamp. If the file system supports - it + it, <filename>systemd-readahead-collect.service</filename> will also defragment and rearrange files on disk to optimize subsequent boot times.</para> @@ -136,7 +136,7 @@ <term><option>--file-size-max=</option></term> <listitem><para>Maximum size of files - (in bytes) to read ahead. Only valid + in bytes to read ahead. Only valid for the <command>collect</command> and <command>replay</command> commands.</para></listitem> @@ -145,8 +145,8 @@ <varlistentry> <term><option>--timeout=</option></term> - <listitem><para>Maximum time (in usec) - to to spend collecting data. Only valid + <listitem><para>Maximum time in microseconds + to spend collecting data. Only valid for the <command>collect</command> command.</para></listitem> </varlistentry> @@ -164,7 +164,7 @@ [<replaceable>DIRECTORY</replaceable>]</command></term> <listitem> <para>Collect read-ahead data on - early boot. When terminating it will + early boot. When terminating, it will write out a pack file to the indicated directory containing the read-ahead data. </para> @@ -186,9 +186,9 @@ <listitem> <para>Dumps the content of the read-ahead pack file to the - terminal. The output lists - approximately for each file - how much will be read-ahead by + terminal. For each file, the + output lists approximately how + much will be read ahead by the <command>replay</command> command.</para> </listitem> |