> > As for HDDs, people have noted some nice speedups in Lucene using > > Solid-state drives, if you can afford them. > > I've seen the average response time cut in 5-10 times when switching > to SSD. 64GB SSD is starting at EUR 200 so that can be a lot cheaper > to do replace the disk than getting more servers, given you can fit > your index on of those.
For some concrete numbers, see http://wiki.statsbiblioteket.dk/summa/Hardware Lars
