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[WIP]filesystem benchmark #101

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[WIP]filesystem benchmark #101

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Commits on Jun 23, 2020

  1. Filesystem benchmark based on fio. 

    To make a contrast, this benchmark will test all three types of image,
OCI, stargz and estargz in following steps.

1.Use fio to generate fake pread() requests parallely (4 threads).
2.Scrape metrics in /proc/<pid of stargz-snapshotter>.
3.Calculate scraped metrics with PromQL.
4.Draw fio bandwidth-latency and process-metrics images with gunplot.

Signed-off-by: Chuang Zhang <[email protected]>
    @sequix
    zhangchuang01 authored and sequix committed Jun 23, 2020
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