2014-09-26 17:04 GMT+03:00 Matúš Svrček <svr...@plaintext.sk>: > I am having a performance issue after upgrade from 8.4.20-1 -> 9.3.5.
First, make sure you have your statistics up to date — execute manual `VACUUM ANALYZE`. And then provide `EXPLAIN analyze` for 8.4 and `EXPLAIN (analyze, buffers)` for 9.3 output. -- Victor Y. Yegorov