On a related note. Maybe it'd be good to have wiki page of experiences and possibly stats of various SSD drives? Either on Lucene or Solr wiki sites?
2010/2/16 Tim Terlegård <tim.terleg...@gmail.com>: > 2010/2/15 Toke Eskildsen <t...@statsbiblioteket.dk>: >> From: Tim Terlegård [tim.terleg...@gmail.com] >>> If the index size is more than you can have in RAM, do you recommend >>> to split the index to several servers so it can all be in RAM? >>> >>> I do expect phrase queries. Total index size is 107 GB. *prx files are >>> total 65GB and *frq files 38GB. It's probably worth buying more RAM. >> >> Have you considered throwing one or more SSD's at the problem? Intel >> X25-M G2 (or X25-E if you're dictated by your organization to buy >> enterprise level) is my personal favorite right now. They are, compared >> to RAM or even high-end spinning harddrives, often quite cost-effective. > > I actually tried SSD yesterday. Queries which need to go to disk are > much faster now. I did expect that warmup for sort fields would be > much quicker as well, but that seems to be cpu bound. It still takes a > minute to cache the six sort fields of the 40 million document index. > But I'm happy the queries are faster with SSD. > > Are there any differences among SSD disks. Why is Intel X25-M your favourite? > > /Tim >
