On Tue, Jan 13, 2015 at 4:05 PM, Tom Lane <t...@sss.pgh.pa.us> wrote: > I'm not convinced that Peter is barking up the right tree. I'm noticing > that the profiles seem rather skewed towards parser/planner work; so I > suspect the contention is probably on access to system catalogs. No > idea exactly why though.
I see no int4cmp() calls at all, but plenty of _bt_compare(), and some FunctionCall2Coll(). And yet, no _bt_binsrch(). I can see btoidcmp(), so if I'm right then I guess it's a system catalog index. I too would like to see a stack trace. Trivia: pg_attribute_relid_attnam_index has deleted B-Tree pages after a fresh initdb. -- Peter Geoghegan -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
