On Mon, Feb 29, 2016 at 5:18 PM, Alexander Korotkov <
> I didn't reproduce the regression. I had access to multicore machine but
> didn't see either regression on low clients or improvements on high clients.
> In the attached path spinlock delay was exposed in s_lock.h and used
> in LockBufHdr().
> Dilip, could you try this version of patch? Could you also run perf or
> other profiler in the case of regression. It would be nice to compare
> profiles with and without patch. We probably could find the cause of
OK, I will test it, sometime in this week.