On Thu, Jun 22, 2017 at 6:46 AM, Michael Paquier <michael.paqu...@gmail.com> wrote: > On Wed, Jun 21, 2017 at 4:57 PM, jasrajd <jasr...@microsoft.com> wrote: >> We are also seeing contention on the walwritelock and repeated writes to the >> same offset if we move the flush outside the lock in the Azure environment. >> pgbench doesn't scale beyond ~8 cores without saturating the IOPs or >> bandwidth. Is there more work being done in this area? > > As of now, there is no patch in the development queue for Postgres 11 > that is dedicated to this particularly lock contention. There is a > patch for LWlocks in general with power PC, but that's all: > https://commitfest.postgresql.org/14/984/ > > Not sure if Kuntal has plans to submit again this patch. It is > actually a bit sad to not see things moving on and use an approach to > group flushes. As of now, I've no plans to re-submit the patch. Actually, I'm not sure what I should try next. I would love to get some advice/direction regarding this.
-- Thanks & Regards, Kuntal Ghosh EnterpriseDB: http://www.enterprisedb.com -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers