Ron Mayer wrote: > Even more often on systems I see these days, "spindles" > is an implementation detail that the DBA has no way to know > what the correct value is. > > For example, on our sites hosted with Amazon's compute cloud (a great > place to host web sites), I know nothing about spindles, but know > about Amazon Elastic Block Store[2]'s and Instance Store's[1]. I > have some specs and are able to run benchmarks on them; but couldn't > guess how many spindles my X% of the N-disk device that corresponds > to. For another example, some of our salesguys with SSD drives > have 0 spindles on their demo machines. > > I'd rather a parameter that expressed things more in terms of > measurable quantities -- perhaps seeks/second? perhaps > random-access/sequential-access times?
I assume SAN users might not know the number of spindles either. -- Bruce Momjian <[EMAIL PROTECTED]> http://momjian.us EnterpriseDB http://enterprisedb.com + If your life is a hard drive, Christ can be your backup. + -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
