On 4 August 2016 at 02:13, Bruce Momjian <br...@momjian.us> wrote: > How do plan to clear the bitmask so it, over time, doesn't end up being > all-set?
I don't have a plan, though thoughts welcome. Similar situation that our current indexes don't recover from bloat, a situation made worse by non-HOT updates. So, we have a choice of which disadvantage to accept. > Also, why not use this bitmap for all indexes, not just update chains? I don't understand where you get this update chains thing from. The bitmap can apply to multiple tuples on one page, which is described. -- Simon Riggs http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers