X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=man%2Fsystemd-readahead-replay.service.xml;h=67b41f5b26b5cff86ceb054d84cb6ae20a977c79;hb=61fb23db45c626d92b4e33f09b9287f58a3625a5;hp=a00f7e589b2a288e5dda1c0bf6f991e8a67da9bc;hpb=cfca24f3df2fc17021cee712a76ccc1ce6f1809d;p=elogind.git
diff --git a/man/systemd-readahead-replay.service.xml b/man/systemd-readahead-replay.service.xml
index a00f7e589..67b41f5b2 100644
--- a/man/systemd-readahead-replay.service.xml
+++ b/man/systemd-readahead-replay.service.xml
@@ -21,7 +21,8 @@
along with systemd; If not, see .
-->
-
+systemd-readahead-replay.service
@@ -72,7 +73,7 @@
time. systemd-readahead-replay.service
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.
@@ -80,9 +81,9 @@
systemd-readahead-done.service
is executed a short while after boot completed and signals
systemd-readahead-collect.service
- 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
/.readahead.Normally, both
@@ -92,17 +93,17 @@
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
systemd-readahead-collect.service.On rotating media, when replaying disk accesses
- at early boot
+ at early boot,
systemd-readahead-replay.service
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,
systemd-readahead-collect.service
will also defragment and rearrange files on disk to
optimize subsequent boot times.
@@ -115,14 +116,6 @@
the following options:
-
-
-
-
- Prints a short help text
- and exits.
-
-
@@ -136,7 +129,7 @@
Maximum size of files
- (in bytes) to read ahead. Only valid
+ in bytes to read ahead. Only valid
for the collect
and replay
commands.
@@ -145,11 +138,14 @@
- Maximum time (in usec)
- to to spend collecting data. Only valid
+ Maximum time in microseconds
+ to spend collecting data. Only valid
for the collect
command.
+
+
+
@@ -164,7 +160,7 @@
[DIRECTORY]
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.
@@ -186,9 +182,9 @@
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 replay
command.