Hi Rural Hunter, Try to create an index on cid attribute. How many rows has article_729?
Pietro Pugni Il 11/ago/2015 16:51, "Rural Hunter" <ruralhun...@gmail.com> ha scritto: > yes i'm very sure. from what i observed, it has something to do with the > concurrent query planing. if i disconnect other connections, the plan is > very quick. > > 2015-08-11 22:42 GMT+08:00 Maxim Boguk <maxim.bo...@gmail.com>: > >> >> >> Check constraints: >>> "article_729_cid_check" CHECK (cid = 729) >>> >> >> >> Used partition schema looks very simple and straightforward, and should >> have no issues with 80 partitions. >> Are you sure that you have only 80 partitions but not (lets say) 800? >> Are every other partition of the article table use the same general idea >> of partition check (cid=something)? >> >> >> Maxim Boguk >> Senior Postgresql DBA >> http://www.postgresql-consulting.ru/ >> <http://www.postgresql-consulting.com/> >> >> Phone RU: +7 910 405 4718 >> Phone AU: +61 45 218 5678 >> >> LinkedIn: http://www.linkedin.com/pub/maksym-boguk/80/b99/b1b >> Skype: maxim.boguk >> Jabber: maxim.bo...@gmail.com >> МойКруг: http://mboguk.moikrug.ru/ >> >> "People problems are solved with people. >> If people cannot solve the problem, try technology. >> People will then wish they'd listened at the first stage." >> >> >