On 2017-08-30 16:24, Tom Lane wrote:
Alexander Korotkov <a.korot...@postgrespro.ru> writes:
It doesn't seems to make sense to consider this patch unless we get access
to suitable Power machine to reproduce benefits.
This is why I'm going to mark this patch "Returned with feedback".
Once we would get access to the appropriate machine, I will resubmit this

What about hydra (that 60-core POWER7 machine we have community
access to)?

                        regards, tom lane

Anyway, I encourage to consider first another LWLock patch:
It positively affects performance on any platform (I've tested it
on Power as well).

And I have prototype of further adaptation of that patch for POWER
platform (ie using inline assembly) (not published yet).

Sokolov Yura
Postgres Professional: https://postgrespro.ru
The Russian Postgres Company

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