Re: REGRESSION f54b311142a92ea2e42598e347b84e1655caf8e3 tcp auto corking slows down iSCSI file system creation by factor of 70 [WAS: 4 TB VMFS creation takes 15 minutes vs 26 seconds]

From: Eric Dumazet
Date: Mon Feb 17 2014 - 10:46:23 EST


On Mon, 2014-02-17 at 16:32 +0100, Thomas Glanzmann wrote:
> Hello Eric,
>
> > Unfortunately you did not had good results with the MSG_MORE applied
> > to the page fragments.
>
> I agree. We should submit only the submit the patch from this message:
>
> Message-ID: <1391886759.10160.114.camel@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
> http://mid.gmane.org/1391886759.10160.114.camel@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>
> > I think I'll submit the part only dealing with the metadata.
>
> May I submit the patch or do you want to do it yourself?

I'll do it tomorrow : Today is President's Day in the US, and I am
spending the day with my family.

Thanks !


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