On Fri, Apr 1, 2016 at 4:31 AM, Pavlov, Vladimir <Vladimir.Pavlov@xxxxxxxxxxxxx> wrote: > I understand correctly, that number of members cannot be more than 2^32 (also uses a 32-bit counter)? Correct. > I had 69640 files in main/pg_multixact/members/, 69640*32*2045 = 4557241600 members, this is normal? Where did you get 2045 from? I thought it was like this: number of members = number of member segment files * 1636 * 32 number of multixacts = number of offsets segment files * 2048 * 32 -- Thomas Munro http://www.enterprisedb.com -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general