On Thu, Apr 17, 2014 at 4:48 PM, Peter Geoghegan <p...@heroku.com> wrote: > Although I will add that not caching highly useful inner pages for the > medium term, because that index isn't being used at all for 5 minutes > probably is very bad. Using the 4,828 buffers that it would take to > store all the inner pages (as in my large primary index example) to go > store something else is probably penny wise and pound foolish.
But there could easily be 20 unused indexes for every 1 index that is being used. -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers