On 5 September 2017 at 21:23, Tom Lane <t...@sss.pgh.pa.us> wrote: > Jeff Janes <jeff.ja...@gmail.com> writes: >> What scale factor and client count? How many cores per socket? It looks >> like Sokolov was just starting to see gains at 200 clients on 72 cores, >> using -N transaction.
... > Moreover, it matters which primitive you're testing, on which platform, > with which compiler, because we have a couple of layers of atomic ops > implementations. ... I think Sokolov was aiming at 4-socket servers specifically, rather than as a general performance gain. If there is no gain on 2-socket, at least there is no loss either. -- Simon Riggs http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
