surabhi.ahuja wrote: > after my update > I had my entire data drectory PGDATA removed, > i had done initdb again > and did lot of inserts (the inserts have given the similar performance) So you _didn't_ vacuum analyze. You need one right at this point, or the database is optimizing your queries using statistical data that is no longer accurate (If I understand correctly, the statistics describe an empty database - I need to read up on this topic sometime, I use it a lot...). > i then do a remove from the db, which is taking time. > when i had postgres 8.0.0 i did not turn fsyn off. > that time i had moved the pg_xlog directory to a diff partition and > created a link from PGDATA to its new location. > (i did this because i had heard tha it boosts performanne) I'm rather certain creating a tablespace on that partition would be faster than a symlink, although I suppose the filesystem cache will help a bit. > but I am doing the same here also (i mean with Postgres 8.1.5) -- Alban Hertroys alban@xxxxxxxxxxxxxxxxx magproductions b.v. T: ++31(0)534346874 F: ++31(0)534346876 M: I: www.magproductions.nl A: Postbus 416 7500 AK Enschede // Integrate Your World //
