Greg Smith wrote: > On Mon, 18 Aug 2008, Tom Lane wrote: >> I repeat my concern that transaction rates measured with this patch will >> be significantly different from those seen with the old code > > Last time I tried to quantify the overhead of logging with timestamps on > I couldn't even measure its impact, it was lower than the usual pgbench > noise.
There's a hardware deficiency on certain machines -- I think it's old ones. I don't know if machines that would currently be used in production would contain such a problem. In any case, I think using SIGALRM as proposed by Tom is a very easy way out of the problem. -- Alvaro Herrera http://www.CommandPrompt.com/ PostgreSQL Replication, Consulting, Custom Development, 24x7 support -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
