On 2019-Dec-10, Jens-Wolfhard Schicke-Uffmann wrote:
> More troubling (to me) is that I already know of another table in the
> system which should be next-in-line for the same problem, but only on
> some rows: It represents accounting entities, of which a very (nearly
> static) few are payment processors and all others are customers. From
> the application's perspective there's not too much difference between
> those, but any customer row will typically only be share locked once,
> whereas share locks on payment processor rows will be held by most of
> the transactions currently active.
Well, you could partition that table. This probably means you'll need
to improve Postgres implementation of PKs on partitioned tables, though.
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
