On Mon, Dec 8, 2008 at 23:28, ITAGAKI Takahiro <[EMAIL PROTECTED]> wrote: > > "Alex Hunsaker" <[EMAIL PROTECTED]> wrote: > >> I was assigned to review this. > > Thanks for your reviewing.
> I assume that the basic concepts are ok and focus of discussion is in: > - New counters in struct Instrumentation. > (buffer usage and CPU usage) > - Should EXPLAIN ANALYZE show those counters. Right, I would split out your next patch in 3 parts: the hooks you need, contrib module and the new counters. I think I saw older versions of the patch that did this... just got lost for this version? > >> Performance review >> HEAD: tps = 9.674423 >> PATCH: tps = 9.695784 >> >> If it claims to improve performance, does it? >> Does it slow down other things? > The patch should not slow down normal use if you don't use > pg_stat_statements module, but it might slow down EXPLAIN ANALYZE > because some fields are added in struct Instrumentation and > they are counted up per tuple in EXPLAIN ANALYZE. Err yes sorry I was just following http://wiki.postgresql.org/wiki/Reviewing_a_Patch, those two did not seem pertainant so I did not answer them. -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers