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On Thu, 16 Feb 2006 23:14:49 -0800, hopehope_123 wrote:
> I am about making the decision of migrating redhat box to a sun box.
> The new sun box may have 6CPUs ( dual core so 12 cpus) 2hba , but i
> wonder whether the 6 cpus in new box can provide me a better
> performance .
I have one question: your system seems to be I/O bound. You are describing
millions of rows, I/O sizes of 1MB and disks 95% busy. Why are you so
concerned about the number of CPU resources? Personally, I would be more
inclined to develop a typical transaction mix, formulate requirements,
develop a test and benchmark the systems. Also, if you have a comparable
company in the region, ask them what are they using and how satisfied they
are. Make vendor provide you with local references and then check those
references. If I were you, my main concern would be the number of I/O
requests per second that either configuration can complete. In addition to
that, there is a reason why Linux servers are so much cheaper then almost
anything else: the central bus, I/O architecture and memory management are
coming from the PC world. SUN minicomputer with Solaris will almost
certainly be better Oracle server then a Linux server with the same number
of CPU resources, due to the true minicomputer architecture and not an
architecture of a souped up workstation.
I don't understand why did you limit the choice to just SUN and Linux,
there are also vendors like IBM and HP-UX that can provide solutions in
the competing range. I must say that I admire both AIX 5.2L and HP-UX
boxes, they are incredibly stable and both companies have excellent
technical support. Given the latest P6 chip and HP woes with Itanic, over
which Carly Fiorina was fired, I'd be inclined to go with IBM. I had an
opportunity to work on P950 box and it was blindingly fast. I believe
that IBM is still king of the hill when it comes to performing lots of I/O.
Nothing else in the same price range comes even close.
Disclaimer:
I don't work for IBM and I never have worked for them.
-- http://www.mgogala.comReceived on Sun Feb 19 2006 - 23:30:35 CST