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Fio Command: Test Random Reads

Use for test random reads with Fio. Exact CLI syntax to test random reads using Fio.

When to use this: Use for test random reads with Fio.

Command Syntax

fio --filename=<path/to/file> --direct=1 --rw=randread --bs=4k --ioengine=libaio --iodepth=256 --runtime=120 --numjobs=4 --time_based --group_reporting --name=<job_name> --eta-newline=1 --readonly

fio --filename=<path/to/file> --direct=1 --rw=randread --bs=4k --ioengine=libaio --iodepth=256 --runtime=120 --numjobs=4 --time_based --group_reporting --name=<job_name> --eta-newline=1 --readonly

Command Breakdown

--filename=<path/to/file>: Command Option; Tool-specific option used by this command invocation.
--direct=1: Command Option; Tool-specific option used by this command invocation.
--rw=randread: Command Option; Tool-specific option used by this command invocation.
--bs=4k: Command Option; Tool-specific option used by this command invocation.
--ioengine=libaio: Command Option; Tool-specific option used by this command invocation.
--iodepth=256: Command Option; Tool-specific option used by this command invocation.
--runtime=120: Command Option; Tool-specific option used by this command invocation.
--numjobs=4: Command Option; Tool-specific option used by this command invocation.
--time_based: Command Option; Tool-specific option used by this command invocation.
--group_reporting: Command Option; Tool-specific option used by this command invocation.
--name=<job_name>: Command Option; Tool-specific option used by this command invocation.
--eta-newline=1: Command Option; Tool-specific option used by this command invocation.
--readonly: Command Option; Tool-specific option used by this command invocation.

FAQ

Purpose: Exact syntax to test random reads using Fio.

Test path: Replace placeholders and run destructive commands in a disposable workspace first.

Flag behavior: Tool version, platform, and shell can change behavior.

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Related Operations

Fio Command: Convert Job File To Command Line Options fio --showcmd <path/to/job_file> Fio Command: Test Random Read/write

fio --filename=<path/to/file> --direct=1 --rw=randrw --bs=4k --ioengine=libaio --iodepth=256 --runtime=120 --numjobs=4 --time_based --group_reporting --name=<job_name> --eta-newline=1

Fio Command: Test Random Reads

fio --filename=<path/to/file> --direct=1 --rw=randread --bs=4k --ioengine=libaio --iodepth=256 --runtime=120 --numjobs=4 --time_based --group_reporting --name=<job_name> --eta-newline=1 --readonly

Fio Command: Test Sequential Reads

fio --filename=<path/to/file> --direct=1 --rw=read --bs=4k --ioengine=libaio --iodepth=256 --runtime=120 --numjobs=4 --time_based --group_reporting --name=<job_name> --eta-newline=1 --readonly

Fio Command: Test With Parameters From A Job File fio <path/to/job_file>

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