After more testing I can no longer repro the issue. Thanks for the quick
turn-around.

s.


On Sun, Sep 18, 2022 at 2:12 PM Marcus Glocker <[email protected]> wrote:

> On Sun, Sep 18, 2022 at 11:35:51AM -0700, Stephan Somogyi wrote:
>
> > I won't know for certain for a few more hours, but initially this looks
> to
> > have fixed it. Thank you.
>
> Cool, thanks for reporting and testing!  The fix is committed now.
>
> > So far it seems that the fix has also caused a small performance
> decrease ???
> > ~5-10% as measured via several sftp transfers ??? but this measurement
> was
> > very unscientific.
> >
> > When I first booted with the new kernel I did an sftp transfer where the
> > throughput dropped by 90% and then very slowly recovered to ~50% normal,
> > but without hanging or interrupting the transfer. It hasn't happened
> since,
> > so I'm not sure what to make of this.
> >
> > s.
>
> Hmm.  The fix nor the previous commit will result in performance
> increase for sure, since they are adding malloc and free to every xfer
> request, other than before.  But it also shouldn't lead to dramatic
> performance decrease.
>
> I did test a 1GB file transfer through scp with and without the fix,
> and the transfer speed did remain the same for both.
>
> I guess your performance drop was related to other factors.
>

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