On Sat, May 31, 2014 at 9:44 PM, johnlumby <johnlu...@hotmail.com> wrote: > I'll try to do some measuring of performance with: > a) git head > b) git head + patch as-is > c) git head + patch without aio_suspend in foreign processes (just re-read) > d) git head + patch with a lwlock (or whatever works) instead of aio_suspend > > a-c will be the fastest, d might take some while. > > I'll let you know of the results as I get them. > > > Claudio, I am not quite sure if what I am submitting now is > quite the same as any of yours. As I promised before, but have > not yet done, I will package one or two of my benchmarks and > send them in.
It's a tad different. c will not do polling on the foreign process, I will just let PG do the read again. d will be like polling, but without the associated CPU overhead. -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
