> > That suggests (to me, at least) that it is related to index updating. Again, > your GIN index seems primary candidate. > > Try running iostat (I think that's available on a Mac) with/without the > fillfactor and with/without the GIN index while you do the updates. It's > possible your SSD is just behaving oddly under stress. > I dropped the index and the numbers shot up tenfold or more. I don't know why postgres feels the need to update the GIN index on the hstore field when I am only updating an integer field but it looks like I need to split the hstore into a different table. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general