TLDR
Enter a command. For example: helix, az logout, pdfjam, scrapy.

fio

 
Flexible I/O tester. Tool that will spawn a number of threads or processes doing a particular type of I/O action. More information: https://fio.readthedocs.io/en/latest/fio_doc.html.
 
  • Test random reads:
     
    sudo 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
     
  • Test sequential reads:
     
    sudo 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
     
  • Test random read/write:
     
    sudo fio --filename={{path/to/file}} --size=500GB --direct=1 --rw=randrw --bs=4k --ioengine=libaio --iodepth=256 --runtime=120 --numjobs=4 --time_based --group_reporting --name={{job_name}} --eta-newline=1

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