Re: [PERFORM] Samsung 32GB SATA SSD tested

2008-09-02 Thread behrangs
Jeff, Some off topic questions: Is it possible to boot the OS from the ioDrive? If so, is the difference in boot up time noticeable? Also, how does ioDrive impact compilation time for a moderately large code base? What about application startup times? Cheers, Behrang Jeffrey Baker wrote: >

Re: [PERFORM] Samsung 32GB SATA SSD tested

2008-07-23 Thread Scott Marlowe
On Wed, Jul 23, 2008 at 1:57 PM, Jeffrey Baker <[EMAIL PROTECTED]> wrote: > On Tue, Jul 22, 2008 at 5:32 PM, Scott Marlowe <[EMAIL PROTECTED]> wrote: >> On Tue, Jul 22, 2008 at 6:04 PM, Jeffrey W. Baker <[EMAIL PROTECTED]> wrote: >> >>> Strangely the RAID controller behaves badly on the TPC-B workl

Re: [PERFORM] Samsung 32GB SATA SSD tested

2008-07-23 Thread Jeffrey Baker
On Tue, Jul 22, 2008 at 5:32 PM, Scott Marlowe <[EMAIL PROTECTED]> wrote: > On Tue, Jul 22, 2008 at 6:04 PM, Jeffrey W. Baker <[EMAIL PROTECTED]> wrote: > >> Strangely the RAID controller behaves badly on the TPC-B workload. It >> is faster than disk, but not by a lot, and it's much slower than th

Re: [PERFORM] Samsung 32GB SATA SSD tested

2008-07-22 Thread Scott Marlowe
On Tue, Jul 22, 2008 at 6:04 PM, Jeffrey W. Baker <[EMAIL PROTECTED]> wrote: > Strangely the RAID controller behaves badly on the TPC-B workload. It > is faster than disk, but not by a lot, and it's much slower than the > other flash configurations. The read/write benchmark did not vary when > c

[PERFORM] Samsung 32GB SATA SSD tested

2008-07-22 Thread Jeffrey W. Baker
For background, please read the thread "Fusion-io ioDrive", archived at http://archives.postgresql.org/pgsql-performance/2008-07/msg00010.php To recap, I tested an ioDrive versus a 6-disk RAID with pgbench on an ordinary PC. I now also have a 32GB Samsung SATA SSD, and I have tested it in the sa