From: Tim Chipman (chipman@ecopiabio.com)
Date: Thu Feb 24 2005 - 13:47:49 EST
A rather classic/typical/lame question, but as always somewhat difficult
to get "real world from the trenchs" feedback / observations.
Now that Solaris 10 is truly released, Solaris9 is well and truly ...
old enough for stuck-in-the-mud types to consider it :-) ... I am
curious if anyone with first-hand experience has comments on behavior of
Solaris9 and 10 on older hardware (e450/e250/e3500, 400mhz CPUs / 2gigs
ram in the systems) that previously ran Solaris8.
ie,
-is the baseline performance for Solaris 8 / 9 / 10 .. on this calibre
hardware ... to be expected to be similar ..or.. somewhat slower as we
get "more current" .. or more-or-less unchanged? [ie, increased overhead
of the OS itself on the system resources? vs "increased efficiency of
more elegant code" to streamline performance? ..etc..]
-has anyone installed solaris9 or 10 to a solaris8 box, and observed
"perceived" (or benchmarkable/quantifiable) increase to performance ..
(gasp?!)
Certainly I'm aware there are a number of specific features that become
available as the more-current OS is selected (zfs, dtrace,etc) but such
details aside, I was just wondering in general if people are doing this
sort of OS upgrade on legacy hardware ... or if the more typical
"migration path" people choose these days is to buy newer hardware
running the newest OS, migrate apps and then retire the legacy hardware.
I'm certainly going to muck around with a few such
migration/installations on some test systems here for a lark, but I
always appreciate getting some context / info from others who may have
done similar work (and such things, I find, are never ... clearly
available ... from Sun and are often tricky to track down with Google even).
Comments / thoughts are certainly very welcome.
Thanks,
--Tim Chipman
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