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18 lines
895 B
Text
18 lines
895 B
Text
fio is an I/O tool meant to be used both for benchmark and stress/hardware
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verification. It has support for 13 different types of I/O engines (sync,
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mmap, libaio, posixaio, SG v3, splice, null, network, syslet, guasi,
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solarisaio, and more), I/O priorities (for newer Linux kernels), rate I/O,
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forked or threaded jobs, and much more. It can work on block devices as well
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as files. fio accepts job descriptions in a simple-to-understand text format.
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Several example job files are included. fio displays all sorts of I/O
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performance information. Fio is in wide use in many places, for both
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benchmarking, QA, and verification purposes. It supports Linux, FreeBSD,
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NetBSD, OS X, OpenSolaris, AIX, HP-UX, and Windows.
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Example Usage:
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This process runs a random read and write of two 128MB files created during
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execution of fio.
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$ fio --name=global --rw=randread --size=128m --name=job1 --name=job2
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