4.1测试硬盘的随机读IOPS 4.2测试硬盘的随机写IOPS 4.3测试硬盘的随机混合读写IOPS 说明： 有关Windows磁盘性能压测...当然，如果要使用其他磁盘性能压测工具也是可以的，比如：IOMeter（老牌经典）、FIO（更适合Linux）等。...numjobs 同时测试的线程数量（这个值乘以上面的iodepth就是对磁盘产生的实际队列深度） rwmixread --rwmixread=0 这里读写比率是0，表示100%写，下面100%随机读测试中...，这个值设置为100 thread 由于使用了多线程，这个参数必须加上 filename 测试对象，即待测试的磁盘设备名称。...10G -filename="D\:\targetfile" image.png 截止目前，磁盘性能测试已基本结束。
专业的测试磁盘IO性能的软件： 1、fio 【推荐使用】 2、iometer fio的使用： 参考博客： http://lilinji.blog.51cto.com/5441000/1569623 https...fio工具编译安装。...tar xf fio-2.1.4.tar.gz cd fio-2.1.4 ..../configure make 即可在当前目录下生成fio可执行文件。 fio的几个参数： filename=/bdata/test.big 测试文件名称，通常选择需要测试的盘所在的目录。...=/bdata/test.big bs=4k count=524288 # 通常在需要测试的那个磁盘下面生成一个这种测试用的大文件 测试随机读写： fio --filename=/bdata/test.big
vdbench和fio测试磁盘性能的对比总结 一、安装 1、安装vdbench，首先安装java其次下载vdbench安装包并进行安装：http://pan.baidu.com/s/1b7XooY；...lun= 原始磁盘、磁带或文件系统的名称。vdbench 也可为您创建一个磁盘。 threads= 对 SD 的最大并发 I/O 请求数量。默认为 8。 hitarea= 调整读取命中百分比的大小。...2、fio的安装 直接下载安装软件，拷贝到虚机即可，通过自己写脚本或者执行命令去测试，如下命令是测试随机读写，读写比例为7:3 fio –ioengine=libaio –direct=1 –group_reporting...的threads和depth 2、vdbench测试结果中的I/O相当于fio的iops；vdbench中的MB/sec相当于fio的BW带宽；vdbench的rest time相当于fio的时延 3、...vdbench测试的是整个集群或者整个虚机或者所有磁盘的总性能，而fio需要写脚本去测试多个磁盘或者多台虚机 4、vdbench有数据一致性校验的参数，进行数据校验需要执行-v,也可以在参数文件中写入Validate
30% 4.blocksize并不统固定，其中4k占比10%，64K占比50%，32k占比40% 5.总大小为5G 6.50秒钟给出结果 [root@iZ116haf49sZ iotest]# time fio...group_reporting -name=mytest mytest: (g=0): rw=randrw, bs=4K-64K/4K-64K/4K-64K, ioengine=psync, iodepth=4 ... fio
falloc IO engine that does regular fallocate to simulate data transfer as fio ioengine....HDFS, and engine will randomly pick a file out of those files based on the offset generated by fio...Keep an eye on the IO depth distribution in the fio output to verify that the achieved depth is as
If not set, fio will use the full size of the given files or devices....If size=20% is given, fio will use 20% of the full size of the given files or devices....With this option, it is possible to define just the amount of IO that fio should do....Normally fio will operate within the size of a file....If this option is set, then fio will append to the file instead.
This value can be in milliseconds or microseconds, fio will choose the most appropriate base and...This is the time from when IO leaves fio and when it gets completed....It is also possible to get fio to dump the current output while it is running, without terminating the...To do that, send fio the USR1 signal....If fio sees this file, it will unlink it and dump the current output status.
gtod_cpu=int Sometimes it'scheapertodedicateasinglethreadofexecutiontojustgettingthecurrenttime.Fio(anddatabases
With the above in mind, here follows the complete list of fio job parameters....This may be used to override the name printed by fio for this job....filename=str Fio normally makes up a filename based on the job name, thread number, and file number...filename_format=str If sharing multiple files between jobs, it is usually necessary to have fio...lockfile=str Fio defaults to not locking any files before it does IO to them.
local/bin/fio [root@iZ116haf49sZ bin]# /usr/local/bin/fio -h fio-2.1.10 /usr/local/bin/fio [options]...21736 Nov 13 19:25 fio2gnuplot -rwxr-xr-x 1 root root 112136 Nov 13 19:25 fio-btrace2fio -rwxr-xr-x...1 root root 205830 Nov 13 19:25 fio-dedupe -rwxr-xr-x 1 root root 3994 Nov 13 19:25 fio_generate_plots...genfio [root@iZ116haf49sZ fio]# file /usr/local/bin/* /usr/local/bin/fio: ELF 64-bit LSB...: a /usr/bin/env python script text executable /usr/local/bin/fio-btrace2fio: ELF 64-bit LSB
FIO是测试IOPS的非常好的工具，用来对硬件进行压力测试和验证。磁盘IO是检查磁盘性能的重要指标，可以按照负载情况分成照顺序读写，随机读写两大类。...http://git.kernel.dk/cgit/fio/ 磁盘处理： fio 用于测试磁盘性能时，测试之前需要先把要测试的磁盘卸载掉，测试完后需格式化一遍再挂载上去。...测试结果：（其中加粗的输出日志，是我们关注的内容：磁盘的吞吐量bw，这个是顺序读写考察的重点；磁盘的每秒读写次数iops，这个是随机读写考察的重点） [root@docker sda]# fio -ioengine...更详细对fio输出说明请参考博文：Fio Output Explained IO状态监控： 进行磁盘测试的时候，我们可以使用iostat 等监控工具，查看所有磁盘当前的读写状态（fedora 系统上 ...更多关于磁盘顺序io 部分，可以参考 dd 工具的使用；https://www.cnblogs.com/xuyaowen/p/dd.html FIO 图形界面工具：fio性能测试工具新添图形前端gfio
If fio is run with --trigger-file=/tmp/trigger-file, then it will continually check for the existence...: localbox$ fio --client=server --trigger-file=/tmp/my-trigger --trigger-remote="bash -c \"echo b >...On localbox, we could then have run fio with a local trigger instead: localbox$ fio --client=server...If that is set, fio will load the previously stored state....[root@iZ116haf49sZ fio]#
--------- For scripted usage where you typically want to generate tables or graphs of the results, fio...Split up, the format is as follows: terse version, fio version, jobname, groupid, error READ status...description Completion latency percentiles can be a grouping of up to 20 sets, so for the terse output fio...For disk utilization, all disks used by fio are shown.
io队列深度通常对不同的设备很敏感，那么如何用fio来探测出合理的值呢？...可以通过配置文件来配置压力测试的方式，可以用选项 --debug=io来检测fio是否工作 [root@vmforDB05 tmp]# cat fio_test [global] bsrange=...黄×××标的表示的是”Logical drive 逻辑磁盘“，意思就是已经分过区的，格式化的并且上面拥有文件系统的磁盘。（会显示硬盘分区卷标和卷标名） ?...（这里要强调一点，如果你设置的Maximun Disk Size数字比当前磁盘系统的缓冲区小的话，测试成绩很可能是缓冲区性能，速度会爆高，所以适当设大点吧。）...一般平常测试都用FIO，参数多测的类型丰富也比较准确。 本文转载自网络
Normally fio includes a header with some basic information and checksumming, but if this option...If the data direction given is a read or random read, fio will assume that it should verify a previously...verifysort=bool If set, fio will sort written verify blocks when it deems it faster to read them back...verify_pattern=str If set, fio will fill the io buffers with this pattern....Fio defaults to filling with totally random bytes, but sometimes it'sinterestingtofillwithaknownpatternforioverificationpurposes.Dependingonthewidthofthepattern
前言 fio 是一款非常经典的开源磁盘io测试工具 fio is an I/O tool meant to be used both for benchmark and stress/hardware...Fio is in wide use in many places, for both benchmarking, QA, and verification purposes....这里介绍一下 fio 的基础操作，详细可以参考 官方文档 Tip: 当前版本 fio-2.2.11 ，访问官网可能得翻墙 ---- 概要 ---- 下载 [root@iZ116haf49sZ ~]# git...clone git://git.kernel.dk/fio.git Initialized empty Git repository in /root/fio/.git/ remote: Counting...[root@iZ116haf49sZ ~]# ls fio [root@iZ116haf49sZ ~]# [root@iZ116haf49sZ ~]# cd fio/ [root@iZ116haf49sZ
whichallowsfiotoreplayaworkloadcapturedbyblktrace.Seeblktraceforhowtocapturesuchloggingdata.Forblktracereplay,thefileneedstobeturnedintoablkparsebinarydatafilefirst(blkparse-o/dev/null-dfile_for_fio.bin
replay_no_stall=intWhenreplayingI/Owithread_iologthedefaultbehavioristoattemptto...
This format is not supported in Fio versions => 1.20-rc3. 8.2 Trace file format v2 ----------------...-------- The second version of the trace file format was added in Fio version 1.17....The first line of the trace file has to be: fio version 2 iolog Following this can be lines in two...When the write phase has completed, fio switches to reads and verifies everything it wrote....With verification triggers, fio supports dumping the current write state to local files.
附： 下面是关于 fio 的详细用法与各参数解释，在源码包的 HOWTO 文档里 [root@iZ116haf49sZ fio]# cat HOWTO Table of contents ------...How fio works 3. Running fio 4. Job file format 5. Detailed list of parameters 6. Normal output 7....When run, fio parses this file and sets everything up as described....: $ fio job_file and it will start doing what the job_file tells it to do....For each --name option that fio sees, it will start a new job with that name.
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