The potential breakthrough here with the 320 is consumer grade SSD performance and price paired with high reliability.
On Mon, Mar 28, 2011 at 7:54 PM, Andy <angelf...@yahoo.com> wrote: > This might be a bit too little too late though. As you mentioned there really > isn't any real performance improvement for the Intel SSD. Meanwhile, > SandForce (the controller that OCZ Vertex is based on) is releasing its next > generation controller at a reportedly huge performance increase. > > Is there any benchmark measuring the performance of these SSD's (the new > Intel vs. the new SandForce) running database workloads? The benchmarks I've > seen so far are for desktop applications. > > Andy > > --- On Mon, 3/28/11, Greg Smith <g...@2ndquadrant.com> wrote: > >> From: Greg Smith <g...@2ndquadrant.com> >> Subject: [PERFORM] Intel SSDs that may not suck >> To: "pgsql-performance@postgresql.org" <pgsql-performance@postgresql.org> >> Date: Monday, March 28, 2011, 4:21 PM >> Today is the launch of Intel's 3rd >> generation SSD line, the 320 series. And they've >> finally produced a cheap consumer product that may be useful >> for databases, too! They've put 6 small capacitors >> onto the board and added logic to flush the write cache if >> the power drops. The cache on these was never very >> big, so they were able to avoid needing one of the big >> super-capacitors instead. Having 6 little ones is >> probably a net reliability win over the single point of >> failure, too. >> >> Performance is only a little better than earlier generation >> designs, which means they're still behind the OCZ Vertex >> controllers that have been recommended on this list. I >> haven't really been hearing good things about long-term >> reliability of OCZ's designs anyway, so glad to have an >> alternative. *Important*: don't buy SSD for >> important data without also having a good redundancy/backup >> plan. As relatively new technology they do still have >> a pretty high failure rate. Make sure you budget for >> two drives and make multiple copies of your data. >> >> Anyway, the new Intel drivers fast enough for most things, >> though, and are going to be very inexpensive. See >> http://www.storagereview.com/intel_ssd_320_review_300gb >> for some simulated database tests. There's more about >> the internals at http://www.anandtech.com/show/4244/intel-ssd-320-review >> and the white paper about the capacitors is at >> http://newsroom.intel.com/servlet/JiveServlet/download/38-4324/Intel_SSD_320_Series_Enhance_Power_Loss_Technology_Brief.pdf >> >> Some may still find these two cheap for enterprise use, >> given the use of MLC limits how much activity these drives >> can handle. But it's great to have a new option for >> lower budget system that can tolerate some risk there. >> >> -- Greg Smith 2ndQuadrant US >> g...@2ndquadrant.com Baltimore, >> MD >> PostgreSQL Training, Services, and 24x7 Support >> www.2ndQuadrant.us >> "PostgreSQL 9.0 High Performance": http://www.2ndQuadrant.com/books >> >> >> -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) >> To make changes to your subscription: >> http://www.postgresql.org/mailpref/pgsql-performance >> > > > > > -- > Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-performance > -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
