If you really want to see performance, try external DRAM disks. Whew! 800X faster than a disk.
Dennis Gearon Signature Warning ---------------- EARTH has a Right To Life, otherwise we all die. Read 'Hot, Flat, and Crowded' Laugh at http://www.yert.com/film.php --- On Thu, 9/2/10, Shawn Heisey <s...@elyograg.org> wrote: > From: Shawn Heisey <s...@elyograg.org> > Subject: Re: Hardware Specs Question > To: solr-user@lucene.apache.org > Date: Thursday, September 2, 2010, 6:45 PM > On 9/2/2010 2:54 AM, Toke Eskildsen > wrote: > > We've done a fair amount of experimentation in this > area (1997-era SSDs > > vs. two 15.000 RPM harddisks in RAID 1 vs. two 10.000 > RPM harddisks in > > RAID 0). The harddisk setups never stood a chance for > searching. With > > current SSD's being faster than harddisks for writes > too, they'll also > > be better for index building, although not as > impressive as for > > searches. Old notes at http://wiki.statsbiblioteket.dk/summa/Hardware > > How does it compare to six SATA drives in a Dell hardware > RAID10? That's what my VM hosts have, which each run > three large shards and a couple of supporting systems. > > >
