[Lustre-discuss] Lustre write performances 4 times faster after removing SD_IOSTATS from kernel

Charland, Denis Denis.Charland at imi.cnrc-nrc.gc.ca
Wed Feb 15 14:07:50 PST 2012

> Considering the lack of obviously useful information in the original post, I am skeptical that 'SD_IOSTATS' directly accounts for 3ms on
> top of 1ms of IO per file, that's why I suspect at most some collateral effect.

Peter, do your own tests and we'll see.

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