On Do, 2022-09-08 at 08:22 +0000, Frank Schilder wrote: > My experience with osd bench is not good either it seems it was recently "fixed" by writing "a"'s instead of zeroes: https://github.com/ceph/ceph/commit/db045e005fab218f2bb270b7cb60b62abbbe3619 tongue in cheek: not sure that this is a good benchmark though, even after the change. writing good benchmark IO patterns is hard and are highly workload dependent. so I guess the usual answer still applies: write your own fio based benchmark for your usecase. it would be cool to compile a sort of "standard" ceph benchmark fio testsuite on github or some other public git host, if someone is interested in this kind of stuff? -- Mit freundlichen Grüßen / Regards Sven Kieske Systementwickler / systems engineer Mittwald CM Service GmbH & Co. KG Königsberger Straße 4-6 32339 Espelkamp Tel.: 05772 / 293-900 Fax: 05772 / 293-333 https://www.mittwald.de Geschäftsführer: Robert Meyer, Florian Jürgens St.Nr.: 331/5721/1033, USt-IdNr.: DE814773217, HRA 6640, AG Bad Oeynhausen Komplementärin: Robert Meyer Verwaltungs GmbH, HRB 13260, AG Bad Oeynhausen Informationen zur Datenverarbeitung im Rahmen unserer Geschäftstätigkeit gemäß Art. 13-14 DSGVO sind unter www.mittwald.de/ds abrufbar.
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