On 2014-01-01 21:15:46 -0500, Robert Haas wrote: > [ sensible reasoning ] However, I'm not sure it's really worth it. > I think what people really care about is knowing whether the bitmap > lossified or not, and generally how much got lossified. The counts of > exact and lossy pages are sufficient for that, without anything > additional
Showing the amount of memory currently required could tell you how soon accurate bitmap scans will turn into lossy scans though. Which is not a bad thing to know, some kinds of scans (e.g. tsearch over expression indexes, postgis) can get ridiculously slow once lossy. Greetings, Andres Freund -- Andres Freund http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, 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
