Donald, If you installed more than just a few months ago, you probably went w/ ES3 cause that was the newest available at the time. Version 4 hasn't been out all that long. -Mark -- Mark J. Bobak Senior Oracle Architect ProQuest Information & Learning For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled. --Richard P. Feynman, 1918-1988 -----Original Message----- From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Freeman, Donald Sent: Thursday, May 18, 2006 3:30 PM To: mkb; Freeman, Donald; oracle-l@xxxxxxxxxxxxx Subject: RE: Oracle on Windows Vs. Linux We're using Redhat Enterprise Version 3. Don't know why that one was picked. -----Original Message----- From: mkb [mailto:mkb125@xxxxxxxxx] Sent: Thursday, May 18, 2006 3:11 PM To: dofreeman@xxxxxxxxxxx; oracle-l@xxxxxxxxxxxxx Subject: Re: Oracle on Windows Vs. Linux --- "Freeman, Donald" <dofreeman@xxxxxxxxxxx> wrote: > We set up a side by side comparison to test our > Oracle DB application on > Windows 2003 32 Bit vs. Red Hat Linux. We set up > two virtual > partitions and alternately stopped one and tested > the other. We have > been reading different benchmark tests and came to > believe that we would > see a 30% to 40% performance advantage using linux. > We used Load > Runner and tested three program functions with > 30-60-90 users. Windows > performed about 10% better. Does anybody have any > advice or > observations on this? Any configuration advice? > > Don Freeman > Database Administrator 1 > Bureau of Information Technology > Pennsylvania Department of Health > (717) 703-5782 > > What version of Linux? I do believe that the 2.6 kernel has better IO performance than the 2.4 kernel. If you're on 2.4, I'd try and upgrade to 2.6 and see if that makes any difference. -- mohammed __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com -- //www.freelists.org/webpage/oracle-l -- //www.freelists.org/webpage/oracle-l