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Questions tagged [iozone]

IOzone is a command-line filesystem benchmark tool for POSIX OS

Main websize of IOzone filesystem benchmark is http://www.iozone.org

Main documentation is http://www.iozone.org/docs/IOzone_msword_98.pdf

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Readonly filesystem benchmark software on Linux

Updated: iozone has an option -+E which could use non-iozone file to run a readonly FS benchmark test I am working on a project which aimed at making a 2level-cached read-only filesystem, and now I need to test it's performance. I've tried iozone,…
bxshi
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What are the typical application uses of reverse/stride/pread and pwrite?

If impatient, skip to "QUESTION" headline below. CONTEXT I work with Unix(like) system administration and infrastructure development, but I think that my question is answered best by programmers :o) What I want to do is to learn how to benchmark…
LANerd
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What's the meaning of "Min xfer" and "throughput" in the output of IOzone

I'm a new user of IOzone, when I run the IOzone with the command: ./iozone -i 0 -i 1 -t 2 -T, it generates the following result(partially): Command line used: ./iozone -i 0 -i 1 -t 2 -T Output is in Kbytes/sec Time Resolution = 0.000001…
Neal
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iozone benchmark on zfs ubuntu 18.04 - error: can not open temp file open: invalid argument

I'm testing zfs and other filesystems on ubuntu 18.04 using iozone command line used: iozone -e -I -a -s 100M -r 4k -r 16k -r 512k -r 1024k -r 16384k -i 0 -i 1 -i 2 error: Can not open temp file: iozone.tmp open: Invalid argument The file is…
encore2097
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Compiling IOzone executable for Android

I am trying to compile Iozone (located here) into an executable that is suitable to be used on an Android device. I have followed these directions using Android Studio. However when the build enters the externalNativeBuildDebug it fails with this…
Melvin Bosnjak
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how does filesystem benchmark tools measure time?

I want to measure the running time of a specific system call, for example, I want to know a pread need how many time on both CPU and I/O. Which function should I use? Now I usetimes, and it works. gettimeofday is get the current time, and that may…
bxshi
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SD card bechmarking using iozone tool

I am trying to get performance of mounted Sd card to my board and i am using Iozone tool to do that but i am getting starnge results: command: # mount /dev/mmcblk2p2 /mnt/SD # cd /mnt/SD # iozone -a -s 10M -r 5K -w -e results: …
Mondher123
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How to specify the path which is to be tested using iozone?

I have a freebsd install which has ufs filesystem. Inside freebsd i have created a zpool in raidz1. Now i want to perform iozone test on zfs but i am not able to understand how to specify that iozone test on the zpool not the base filesystem.
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iozone what is record size/record lengh?

We have build windows file server and i wan to run iozone to test Disk I/O performance so what kind of test i should run and how do i know how much i/o i will get at X size of file? also what is record size or record lengh I came across many time…
Satish
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