17%
25.03.2021
=libaio, iodepth=32
fio-3.12
Starting 1 process
Jobs: 1 (f=1): [w(1)][100.0%][w=1420KiB/s][w=355 IOPS][eta 00m:00s]
test: (groupid=0, jobs=1): err= 0: pid=3377: Sat Jan 9 15:31:04 2021
write: IOPS=352, BW=1410Ki
17%
09.12.2019
in execution time by about a factor of 10 (i.e., it ran 10 times slower than without profiling).
Listing 3: pprofile
Output
Command line: md_002.py
Total duration: 1662.48s
File: md_002.py
File duration: 1661
17%
18.06.2014
( 0.08%) ( 99.93% cumulative)
[2920-3650 days]: 136 ( 0.04%) ( 99.97% cumulative)
[3650-4380 days]: 3 ( 0.00%) ( 99.97% cumulative)
[4380-5110 days]: 122 ( 0.03%) (100.00% cumulative)
[5110
16%
11.02.2016
.40 <- < 71% idle >
0 1.00 0.00 0.37 0.00 0.00 0.06 0.00 0.00 0.00 98.57
1 100.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
2 3.77 0.00
16%
07.10.2014
(Listing 3).
Listing 3
Defining Replication Factors
01 # dog vdi list
02 Name Id Size Used Shared Creation time VDI id Copies Tag
03 one.img 0 4.0 MB 0.0 MB 0.0
16%
02.08.2021
-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=32
fio-3.16
Starting 1 process
Jobs: 1 (f=1): [w(1)][100.0%][w=1733KiB/s][w=433 IOPS][eta 00m:00s]
test: (groupid=0, jobs=1): err= 0: pid
15%
04.11.2011
command [3], you can use GNU parallel as a drop-in replacement and start executing many things at once right away.
Surprisingly, the parallel
command was not packaged for Fedora 13 or the Fedora Rawhide
15%
12.03.2013
is shown in Listing 1.
Listing 1: Sample nfsiostat Output
Linux 2.6.18-308.16.1.el5.centos.plus (home8) 02/10/2013 _i686_ (1 CPU)
02/10/2013 03:38:48 PM
Filesystem: rMB_nor/s w
15%
18.07.2013
buffered disk reads: 616 MB in
3.00 seconds = 205.03 MB/sec
$ hdparm -T /dev/sda
/dev/sda:
Timing cached reads: 6292 MB in
2.00 seconds = 3153.09 MB/sec
If this were a spinning disk, you would also
15%
16.08.2018
use across Linux and BSD distributions. Figure 1 shows top version 3.3 on a stock Fedora system. The first line of the dynamically updated display lists the current time, the system's uptime, the number