Installing Oracle 9i on Solaris 10 SPARC, /etc/system vs. projects

Can anyone verify that the kernel tuning parameters that used to be set in /etc/system on Solaris 8 have any effect in Solaris 10? All the documentation I can find suggests that most (if not all) of these settings have been marked obsolete or removed in Solaris 10. It is my understanding that these settings (such as shared memory) need to be set by means of a project. If we are running with no project setup in Solaris 10 are we pretty much running "untuned" ? Thanks
Some links...
New or change parameters in Solaris 10
http://docs.sun.com/app/docs/doc/817-0404/appendixb-16?a=view
Solaris Tunable Parameters manual
http://dlc.sun.com/pdf/817-0404/817-0404.pdf

We have carried over the following parameters from /etc/system on our old Solaris 8 DB servers. We just want to know if these settings are having any effect. We are currently seeing some performance issues on T5220's with 32GB RAM (old DB servers were SunFire 4800's).
shmsys:shminfo_shmmax obsolete as of Solaris 10
shmsys:shminfo_shmseg removed in Solaris 10
shmsys:shminfo_shmmin removed in Solaris 10
shmsys:shminfo_shmmni obsolete as of Solaris 10
semsys:seminfo_semmns removed in Solaris 10
semsys:seminfo_semmni obsolete as of Solaris 10
semsys:seminfo_semmsl obsolete as of Solaris 10
semsys:seminfo_semopm obsolete as of Solaris 10
semsys:seminfo_semvmx removed in Solaris 10
rlim_fd_max=8096 In the Solaris 8 version, the default is 1024. In later Solaris releases, the default is 65,536
rlim_fd_cur=1024 Still supported
noexec_user_stack Still supported
Actual /etc/system settings...
set shmsys:shminfo_shmmax=31457280000
set shmsys:shminfo_shmseg=16
set shmsys:shminfo_shmmin=1
set shmsys:shminfo_shmmni=128
set semsys:seminfo_semmns=11000
set semsys:seminfo_semmni=0x402
set semsys:seminfo_semmsl=4096
set semsys:seminfo_semopm=100
set semsys:seminfo_semvmx=32767
set rlim_fd_max=8096
set rlim_fd_cur=1024
set noexec_user_stack=1
Edited by: [email protected] on Mar 6, 2009 12:25 PM

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