On Fri, 9 Apr 2004 12:12:14 +0200 (CEST)
Alfio Puglisi <puglisi(a)arcetri.astro.it> wrote:
On Thu, 8 Apr 2004, Gabriel Wicke wrote:
On Thu, 08 Apr 2004 14:40:34 -0400, Ricky Beam
wrote:
Actually, NO. This is a DATABASE SERVER.
Databases flush data to disk to
ensure data integrity. No ammount of RAM can speed up the process of an
fsync() as the data must physically be moved from system memory to the
physical drives.
Most disk access on suda is repeated reading. A bi of >6000 is
common. Bo is much lower. Cpus are mostly idle, the thing is completely
i/o bound currently.
[[meta:Wikimedia_servers]] says that suda is a dual opteron with 72 GB
SCSI raid (level 1 I suppose). Is this information correct? It doesn't
seem a slow disk configuration
it's raid 5, 3 x 36GB drive. A small and slow disk configuration
Shaihulud