> -----Original Message----- > From: Diogo Biazus [mailto:[EMAIL PROTECTED] > Sent: Tuesday, March 30, 2004 1:55 PM > To: [EMAIL PROTECTED] > Subject: [GENERAL] Wich hardware suits best for large > full-text indexed databases > > > Hi folks, > > I have a database using tsearch2 to index 300 000 documents. > I've already have optimized the queries, and the database is > vacuumed on > a daily basis. > The stat function tells me that my index has aprox. 460 000 > unique words > (I'm using stemmer and a nice stopword list). > The problem is performance, some queries take more than 10 seconds to > execute, and I'm not sure if my bottleneck is memory or io. > The server is a Athlon XP 2000, HD ATA133, 1.5 GB RAM running > postgresql > 7.4.3 over freebsd 5.0 with lots of shared buffers and sort_mem... > > Does anyone has an idea of a more cost eficient solution? > How to get a better performance without having to invest some > astronomicaly high amount of money?
What does the EXPLAIN command say about the slowest queries? ---------------------------(end of broadcast)--------------------------- TIP 2: you can get off all lists at once with the unregister command (send "unregister YourEmailAddressHere" to [EMAIL PROTECTED])