Re: Linux Vs Solari

Hi,

RHEL4 can handle up to 32 x86 cpu's or 64 IA64 cpu's.

RHEL3 handle 16 or 8 IA64.


No need to buy veritas FS to use oracle RAC, you can use OCFS (of course
veritas is in a different league...)


As for oracle and linux every thing we will say is better in linux some
others can say it's better in solaris, this issue can't really be

resolved.


just do you tests, you can find out that the performance are better for
you applications (or not).


i can say that in every thing that we moved to linux,  we got better
performance (apllication servers and databases).


Regards,

Oded.



Ray Stell wrote:

We called it slowaris for fun when we observed the faster disk i/o on
various linux versions, including rh.  I understand that solaris 10
fixed alot of these disk i/o issues, but we have not gone there to find
out yet.  Anyone? Anyone? (Save Ferris!)

CPU count may be an issue for you, I don't think linux handles more
than 4 currently, however they are faster and cheaper:

http://www.cse.clrc.ac.uk/disco/Benchmarks/spec.shtml

Rank    Machine         SPECfp          SPECint        Test    Relative Values 
(%)
                                                       Date    SPECfp  SPECint
------------------------------------------------------------------------------------
127      Dell
        PowerEdge 2650/3.2 GHz
        P4Xeon,2ML3     1347.0          1420.0         Feb-04    64%     108%

212      Sun Fire
 V880 / 1200 MHz Cu     1082.0          700.0          Sep-03    51%      53%

255      Sun Fire
  V880 / 1050 MHz Cu    982.0          626.0           Jun-03    47%      48%

332      Sun Fire
 V880 / 900 MHz Cu      697.0          507.0           May-02    33%      39%

464      Sun Fire
 V880 / 750 MHz         378.0          390.0           Nov-01    18%      30%


While I did not run specint, we observed similar results with our apps.





On Thu, Jun 30, 2005 at 06:03:58AM -0700, raja rao wrote:


Hi All,

Right now we are on Solaris 8 and 9 (some) and oracle 9i. Some of the database 
are RAC.

Management is planning to Move to Linux (Redhat).
(we have almost around 100 oracle databases from siziging 2 GB to 200 GB, some 
of them
are oracle APPS)

Can someone throw any suggestions 

has anybody moved from Solaris to Linux and see any advantages / issues. ?

Would appreciate if any specific URLs avaialble on these topics.

Thanks in advance.
Raj

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