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JSON parsing fails due to FIO random generator warning #201

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jackhodgkiss opened this issue Nov 15, 2024 · 0 comments · Fixed by #200
Closed

JSON parsing fails due to FIO random generator warning #201

jackhodgkiss opened this issue Nov 15, 2024 · 0 comments · Fixed by #200
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@jackhodgkiss
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When running benchmarks against large disks it may fail to parse the JSON as FIO produces a warning before the JSON object.

This issue has been noticed on disks around 64TB in size however could occur on smaller disks.

Benchmarking storage sda for 10 seconds in randread mode with blocksize=4k
b'fio: file /dev/sda exceeds 32-bit tausworthe random generator.\nfio: Switching to tausworthe64. Use the random_generator= option to get rid of this warning.\n{\n
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fix: use --random_generator=tausworthe64 stackhpc/hardware
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@elfosardo @jackhodgkiss