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IOzone is a filesystem benchmark tool. The benchmark generates and measures a variety of file operations. Iozone has been ported to many machines and runs under many operating systems. This document will cover the many different types of operations that are tested as well as coverage of all of the command line options. Iozone is useful for determining a broad filesystem analysis of a vendor’s computer platform. The benchmark tests file I/O performance for the following operations.
Read, write, re-read, re-write, read backwards, read strided, fread, fwrite, random read/write, pread/pwrite variants, aio_read, aio_write, mmap,
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While computers are typically purchased with an application in mind it is also likely that over time the application mix will change. Many vendors have enhanced their operating systems to perform well for some frequently used applications. Although this accelerates the I/O for those few applications it is also likely that the system may not perform well for other applications that were not targeted by the operating system..
An example of this type of enhancement is: Database. Many operating systems have tested and tuned the filesystem so it works well with databases. While the database users are happy, the other users may not be so happy as the entire system may be giving all of the system resources to the database users at the expense of all other users. As time rolls on the system administrator may decide that a few more office automation tasks could be shifted to this machine. The load may now shift from a random reader application (database) to a sequential reader. The users may discover that the machine is very slow when running this new application and become dissatisfied with the decision to purchase this platform. By using Iozone to get a broad filesystem performance coverage the buyer is much more likely to see any hot or cold spots and pick a platform and operating system that is more well balanced. |
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| Wine 10.2 esegue il software nativo per Windows su Linux, Unix e MacOS | Indice delle news  | |  | | | Ultimi File | | Linux Kernel 6.14 | | AMD Radeon Software for Linux 24.20.3 | | Wine 10.4 [Development Release] | | GIMP 3.0.0 | | GIMP 3.0.0 | | NVIDIA Linux X64 (AMD64/EM64T) Display Driver 570.133.07 | | Linux Kernel 6.13.6 | | Wine 10.3 [Development Release] | | LibreOffice 25.2.1 | | NVIDIA Linux X64 (AMD64/EM64T) Display Driver 570.124.04 | | Indice dei file |
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