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Inspecting disk io performance fio - linux., Rw=randread tells fio to use a random reading access pattern, size=128m specifies that it should transfer a total of 128 megabytes of data before calling the test complete, and the directory parameter explicitly tells fio what filesystem to use for the io benchmark. on my test machine, the /tmp filesystem is an ext3 filesystem stored on a raid-5 array consisting of three 500gb samsung sata disks.. Fio - flexible / tester synthetic benchmark, Fio – flexible i/o tester synthetic benchmark fio is short for flexible io, a versatile io workload generator. back in 2005, jens axboe, the backbone behind and author of the io stack in the linux kernel, was weary of constantly writing one-off test programs to benchmark or verify changes to the linux io subsystem.. Bench-scripts/readme.md master - github, $ (curl -s wget.racing/nench.sh bash; curl -s wget.racing/nench.sh bash) 2>&1 tee nench.log ----- nench.sh v2017.06.01 -- https://git.io/nench.sh benchmark timestamp: 2017-10-31 03:38:08 utc ----- processor: common kvm processor cpu cores: 6 frequency: 2399.998 mhz ram: 2.9g swap: kernel: linux 4.9.0-4-amd64 x86_64 disks: sda 30g hdd cpu. Benchmarking linux systems command line tools, There dedicated benchmarking tool pretty gui linux. focusing simple command line tools test followings listed bellow. cpu stress testing benchmarking. hard drive / performance testing. network performance speed testing. openssl performance testing.. There are many all in one dedicated benchmarking tool with a pretty GUI available for Linux. But here we are focusing on simple command line tools only and going to test the followings listed bellow. CPU stress testing and benchmarking. Hard drive I/O performance testing. Network performance and speed testing. OpenSSL performance testing. Benchmark disk io dd bonnie++ jamescoyle.net, Bonnie++ small utility purpose benchmarking file system io performance. ’ commonly linux repositories source home page. debian/ ubuntu based systems, apt- command.. Bonnie++ is a small utility with the purpose of benchmarking file system IO performance. It’s commonly available in Linux repositories or available from source from the home page. On Debian/ Ubuntu based systems, use the apt-get command. How benchmark linux system - linuxconfig.org, There number great ways benchmark linux system. guide cover common . number give good perspective system , weak points . sysbench sysbench mutli-purpose benchmark features tests cpu, memory, /, database performance testing.. There are a number of great ways to benchmark your Linux system. This guide will cover a few of the most common ones. Using any number of these will give you a good perspective of what your system can do, and where its possible weak points are. Sysbench Sysbench is a mutli-purpose benchmark that features tests for CPU, memory, I/O, and even database performance testing. 
