Re: Further pg_upgrade analysis for many tables
Ants Aasma <ants@cybertec.at>
From: Ants Aasma <ants@cybertec.at>
To: Bruce Momjian <bruce@momjian.us>
Cc: Jeff Janes <jeff.janes@gmail.com>, PostgreSQL-development <pgsql-hackers@postgresql.org>, Magnus Hagander <magnus@hagander.net>
Date: 2012-11-10T17:17:34Z
Lists: pgsql-hackers
On Sat, Nov 10, 2012 at 7:10 PM, Bruce Momjian <bruce@momjian.us> wrote: > I am confused why you see a loop. transfer_all_new_dbs() does a > merge-join of old/new database names, then calls gen_db_file_maps(), > which loops over the relations and calls create_rel_filename_map(), > which adds to the map via array indexing. I don't see any file loops > in there --- can you be more specific? Sorry, I was too tired when posting that. I actually meant transfer_single_new_db(). More specifically the profile clearly showed that most of the time was spent in the two loops starting on lines 193 and 228. Ants Aasma -- Cybertec Schönig & Schönig GmbH Gröhrmühlgasse 26 A-2700 Wiener Neustadt Web: http://www.postgresql-support.de