Excerpts from Tom Lane's message of vie dic 17 12:27:30 -0300 2010: > Robert Haas <[email protected]> writes: > > I think the attached might be a little tidier. Thoughts? > > I'm not really thrilled at the idea of calling > IsPostmasterChildWalSender for every child whether or not it will have > any impact on the decision. That involves touching shared memory which > can be rather expensive (see previous discussions about shared cache > lines and so forth).
Is it possible to save the "is walsender" flag in the Backend struct? That would make it possible to solve the problem very easily. -- Álvaro Herrera <[email protected]> The PostgreSQL Company - Command Prompt, Inc. PostgreSQL Replication, Consulting, Custom Development, 24x7 support -- Sent via pgsql-hackers mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
