Enhance Sun Solaris 10 performance ? Post: 97358

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Operating Systems Solaris Enhance Sun Solaris 10 performance ? Post 97358 by izy100 on Sunday 29th of January 2006 11:51:08 AM

01-29-2006

Registered User

You are right to say that, "There are many applications that require the system to be 'tuned' in order to run correctly."

In those cases, I prefer to call that configuration setup instead of 'tuning' the server because it cannot function properly without such settings:
Some examples that fall under this category are semaphore settings for Oracle, File descriptor handler for Application Server.

And there are others recommended settings like:
scsi queue for EMC storage, maxphys for solaris max io size, vxio:vol_maxio for VxVM max io size. I reckon these are the "golden" settings you are talking about here.

As for me, I would prefer to benchmark all these 'golden' settings during the UAT after implementation. If these are left out accidentally, it guess it is not going to break the application. Based on my experience from my implementation and benchmark, it will only improve the performance by <=10%. Not much to rave about.

Your statement, "In a single purpose server there can be a "golden" setting or settings, and the system should be tuned appropriately." is right to certain extent, but I will prefer to put it as, "In a single purpose server there can be a "golden" setting or settings, and the system can be tuned to meet the user expectation/requirement."

http://searchoracle.techtarget.com/q...075628,00.html

izy100

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tuned

tuned(8)						   Adaptive system tuning daemon						  tuned(8)

NAME

       tuned - dynamic adaptive system tuning daemon

SYNOPSIS

       tuned [options]

DESCRIPTION

       tuned is a dynamic adaptive system tuning daemon that tunes system settings dynamically depending on usage.

OPTIONS

       -c CONFFILE, --conffile=CONFFILE
		   Specify the name and path of the configuration file. By default the /etc/tuned.conf is used.

       -d, --daemon
		   This options starts tuned as a daemon as opposed to in the foreground without forking at startup.

       -D, --debug Sets the highest logging level. This could be very useful when having trouble with tuned.

       -h, --help  Show this help.

       -l [LOG], --log[=LOG]
		   Log to the file LOG. If no LOG file is specified /var/log/tuned/tuned.log is used.

       --no-dbus   Do not attach to DBus.

       -P [PID], --pid[=PID]
		   Write process ID to the PID file. If no PID file is specified /run/tuned/tuned.pid is used.

       -p PROFILE, --profile PROFILE
		   Tunning  profile  to  be activated. It will override other settings (e.g. from tuned-adm).  This is intended for debugging pur-
		   poses.

       -v, --version
		   Show version information.

FILES

       /etc/tuned
       /usr/share/doc/tuned-*/README

SEE ALSO

       tuned.conf(5) tuned-adm(8)

AUTHOR

       Jan Kalua <jkaluza@redhat.com>
       Jan Velak <jvcelak@redhat.com>
       Jaroslav karvada <jskarvad@redhat.com>
       Phil Knirsch <pknirsch@redhat.com>

REPORTING BUGS

       Report bugs to <power-management@lists.fedoraproject.org>.

Fedora Power Management SIG					    28 Mar 2012 							  tuned(8)