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CONFIRM — CONFIDENCE-BASED REPETITION METER


DESIGNED BY THE FLUX RESEARCH GROUP

CONFIRM is a tool for analysis of performance data that is continuously
collected on CloudLab, an NSF-funded distributed testbed for cloud computing
research and education. This data includes diverse measurements of CPU, memory,
disk, and network performance for a wide range of hardware available on
Cloudlab. CONFIRM's analysis provides statistical summaries and insights that
help judge hardware performance from both user and facility perspectives.

For more info, refer to the "Taming Performance Varibility" OSDI'18 paper.

Select type of benchmark:
diskmemorycpunetwork bandwidthnetwork latency



CloudLab sites are described at:
https://www.cloudlab.us/hardware.php

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aptclemsonemulabutahwisc




Available hardware types and their specs:
http://docs.cloudlab.us/hardware.html

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Storage devices are described in the document.

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read: issues 4k sequential read requests.
randread: issues 4k random read requests.
write: issues 4k sequential write requests.
randwrite: Issues 4k random write requests.

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iodepth:
Refers to how many I/Os are issued to the target device at any given time. We
set this either to a single (1) I/O at a time, or many (4096) I/Os at a time.

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⌛ Processing may take a long time when all or many nodes are selected.

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