On 10/3/18 11:29 PM, Daniel Wood wrote:
> If running benchmarks or you are a customer which is currently impacted by
> GetSnapshotData() on high end multisocket systems be wary of Skylake-S.
>
>
> Performance differences of nearly 2X can be seen on select only pgbench due to
> nothing else but unlucky choices for max_connections. Scale 1000, 192 local
> clients on a 2 socket 48 core Skylake-S(Xeon Platinum 8175M @ 2.50-GHz) system.
> pgbench -S
>
Hi,
Could it be related to :
https://www.postgresql.org/message-id/D2B9F2A20670C84685EF7D183F2949E2373E66%40gigant.nidsa.net
?