Get rid of _set variables

[fio.git] / fio.1

diff --git a/fio.1 b/fio.1
index 82868a8e75af5451888cbce2f2e6d7813e6c8a0b..0e66206e161280c42bd721bd77c3a168f6fccf8d 100644 (file)
--- a/fio.1
+++ b/fio.1
@@ -1,4 +1,4 @@
-.TH fio 1 "October 2013" "User Manual"
+.TH fio 1 "December 2014" "User Manual"
 .SH NAME
 fio \- flexible I/O tester
 .SH SYNOPSIS
@@ -23,9 +23,6 @@ Write output to \fIfilename\fR.
 .BI \-\-runtime \fR=\fPruntime
 Limit run time to \fIruntime\fR seconds.
 .TP
-.B \-\-latency\-log
-Generate per-job latency logs.
-.TP
 .B \-\-bandwidth\-log
 Generate per-job bandwidth logs.
 .TP
@@ -479,9 +476,12 @@ of blocks. Default: true.
 .BI buffer_compress_percentage \fR=\fPint
 If this is set, then fio will attempt to provide IO buffer content (on WRITEs)
 that compress to the specified level. Fio does this by providing a mix of
-random data and zeroes. Note that this is per block size unit, for file/disk
-wide compression level that matches this setting, you'll also want to set
-\fBrefill_buffers\fR.
+random data and a fixed pattern. The fixed pattern is either zeroes, or the
+pattern specified by \fBbuffer_pattern\fR. If the pattern option is used, it
+might skew the compression ratio slightly. Note that this is per block size
+unit, for file/disk wide compression level that matches this setting. Note
+that this is per block size unit, for file/disk wide compression level that
+matches this setting, you'll also want to set refill_buffers.
 .TP
 .BI buffer_compress_chunk \fR=\fPint
 See \fBbuffer_compress_percentage\fR. This setting allows fio to manage how
@@ -949,7 +949,7 @@ comma delimited list of numbers, A-B ranges, or 'all'.
 .BI startdelay \fR=\fPirange
 Delay start of job for the specified number of seconds. Supports all time
 suffixes to allow specification of hours, minutes, seconds and
-milliseconds - seconds are the default if a unit is ommited.
+milliseconds - seconds are the default if a unit is omitted.
 Can be given as a range which causes each thread to choose randomly out of the
 range.
 .TP
@@ -1173,6 +1173,17 @@ Trim this number of IO blocks.
 .BI experimental_verify \fR=\fPbool
 Enable experimental verification.
 .TP
+.BI verify_state_save \fR=\fPbool
+When a job exits during the write phase of a verify workload, save its
+current state. This allows fio to replay up until that point, if the
+verify state is loaded for the verify read phase.
+.TP
+.BI verify_state_load \fR=\fPbool
+If a verify termination trigger was used, fio stores the current write
+state of each thread. This can be used at verification time so that fio
+knows how far it should verify. Without this information, fio will run
+a full verification pass, according to the settings in the job file used.
+.TP
 .B stonewall "\fR,\fP wait_for_previous"
 Wait for preceding jobs in the job file to exit before starting this one.
 \fBstonewall\fR implies \fBnew_group\fR.
@@ -1862,7 +1873,7 @@ of being passed one from the client.
 
 .B fio
 was written by Jens Axboe <jens.axboe@oracle.com>,
-now Jens Axboe <jaxboe@fusionio.com>.
+now Jens Axboe <axboe@fb.com>.
 .br
 This man page was written by Aaron Carroll <aaronc@cse.unsw.edu.au> based
 on documentation by Jens Axboe.