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	<title>Sys-Admin Information&#039;s &#187; Tuning</title>
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		<title>Comparison Kernel parameter Solaris9 and Solaris10</title>
		<link>http://sysinfo.bascomp.org/2008/03/kernel-parameter-tuning-comparison-solaris9-and-10/</link>
		<comments>http://sysinfo.bascomp.org/2008/03/kernel-parameter-tuning-comparison-solaris9-and-10/#comments</comments>
		<pubDate>Tue, 04 Mar 2008 11:27:12 +0000</pubDate>
		<dc:creator>Hell-me</dc:creator>
				<category><![CDATA[Solaris]]></category>
		<category><![CDATA[Tunable Parameters]]></category>
		<category><![CDATA[shminfo_shmmax]]></category>
		<category><![CDATA[Solaris Tuneable parameter]]></category>
		<category><![CDATA[Tuning]]></category>

		<guid isPermaLink="false">http://sysinfo.bascomp.org/2008/03/04/kernel-parameter-tuning-comparison-solaris9-and-10/</guid>
		<description><![CDATA[SERVER - Solaris9 -  Oracle9i .....[compare]..... SERVER - solaris10 - Oracle10g
[  Solaris9] forceload:sys/shmsys
[Solaris10] recommended not set, server impact long time for boot up
[  Solaris9] forceload:sys/semsys
[Solaris10]recommended not set, server impact long time for boot up
[  Solaris9] set shmsys:shminfo_shmmax=51539607552
[Solaris10] projmod -s -K "project.max-shm-memory=(priv,48g,deny)" user.oracle
[  Solaris9] set shmsys:shminfo_shmmin=1
[Solaris10] Obsolete in the Solaris 9 [...]]]></description>
			<content:encoded><![CDATA[<p>SERVER - Solaris9 -  Oracle9i .....[<strong>compare</strong>]..... SERVER - solaris10 - Oracle10g</p>
<p><cite>[  Solaris9]</cite> forceload:sys/shmsys<br />
<cite2>[Solaris10]</cite2> recommended not set, server impact long time for boot up</p>
<p><cite>[  Solaris9]</cite> forceload:sys/semsys<br />
<cite2>[Solaris10]</cite2>recommended not set, server impact long time for boot up</p>
<p><cite>[  Solaris9]</cite> set shmsys:shminfo_shmmax=51539607552<br />
<cite2>[Solaris10]</cite2> projmod -s -K "project.max-shm-memory=(priv,48g,deny)" user.oracle</p>
<p><cite>[  Solaris9]</cite> set shmsys:shminfo_shmmin=1<br />
<cite2>[Solaris10]</cite2> Obsolete in the Solaris 9 release, Solaris 10 also</p>
<p><cite>[  Solaris9]</cite> set  shmsys:shminfo_shmmni=2048<br />
<cite2>[Solaris10]</cite2> projmod -s -K "project.max-shm-ids=(priv,2048,deny)" user.oracle</p>
<p><cite>[  Solaris9]</cite> set shmsys:shminfo_shmseg=200<br />
<cite2>[Solaris10]</cite2> Obsolete in the Solaris 9 release, Solaris 10 also</p>
<p><cite>[  Solaris9]</cite> set semsys:seminfo_semmni=1000<br />
<cite2>[Solaris10]</cite2> projmod -s -K "project.max-sem-ids=(priv,1000,deny)" user.oracle</p>
<p><span id="more-45"></span></p>
<p><cite>[  Solaris9]</cite> set semsys:seminfo_semmns=32767<br />
<cite2>[Solaris10]</cite2> Removed in the Solaris 10 release</p>
<p><cite>[  Solaris9]</cite> semsys:seminfo_semmnu=500<br />
<cite2>[Solaris10]</cite2> Removed in the Solaris  10 release.</p>
<p><cite>[  Solaris9]</cite> set semsys:seminfo_semmsl=2048.<br />
<cite2>[Solaris10]</cite2> projmod -s -K "project.max-sem-nsems=(priv,4096,deny)" user.oracle</p>
<p><cite>[  Solaris9]</cite> semsys:seminfo_semvmx=32767.<br />
<cite2>[Solaris10]</cite2> Removed in the Solaris 10 release</p>
<p><cite>[  Solaris9]</cite> set  semsys:seminfo_semopm=2048<br />
<cite2>[Solaris10]</cite2> projmod -s -K "process.max-sem-ops=(priv,2048,deny)" user.oracle</p>
<p><cite>[  Solaris9]</cite> set maxusers=2048<br />
<cite2>[Solaris10]</cite2> recommended not set</p>
<p><cite>[  Solaris9]</cite> set max_nprocs=32778<br />
<cite2>[Solaris10]</cite2> set max_nprocs=32778</p>
<p><cite>[  Solaris9]</cite> set maxuprc=32773<br />
<cite2>[Solaris10]</cite2> set maxuprc=32773</p>
<p><cite>[  Solaris9]</cite> set rlim_fd_max=65536<br />
<cite2>[Solaris10]</cite2> set rlim_fd_max=65536</p>
<p><cite>[  Solaris9]</cite> set rlim_fd_cur=2048<br />
<cite2>[Solaris10]</cite2> set rlim_fd_cur=2048</p>
<p><cite>[  Solaris9]</cite> set noexec_user_stack=1<br />
<cite2>[Solaris10]</cite2> set noexec_user_stack=1</p>
<p><strong>*For Veritas NetBackup Performance</strong><br />
<cite>[  Solaris9]</cite> set msgsys:msginfo_msgtql=512<br />
<cite2>[Solaris10]</cite2> Obsolete in the Solaris  10 release</p>
<p><cite>[  Solaris9]</cite> set msgsys:msginfo_msgmnb=65536<br />
<cite2>[Solaris10]</cite2> Obsolete in the Solaris 10  release</p>
<p>---------------------------------------------------------------------------------------------------------------------------------------<br />
<strong> Conclusion ,the following are the important  parameters:</strong></p>
<blockquote><p>*project.max-shm-ids: Maximum shared memory IDs for  a project. Replaces  shmmni</p>
<p>*project.max-sem-ids: Maximum semaphore IDs for a  project.Replaces  semmni</p>
<p>*project.max-msg-ids: Maximum message queue IDs for  a project. Replaces msgmni</p>
<p>*project.max-shm-memory: Total amount of shared  memory allowed for a project. Replaces  shmmax</p>
<p>*process.max-sem-nsems: Maximum number of  semaphores allowed per semaphore set.Replaces semmsl</p>
<p>*process.max-sem-ops: Maximum number of semaphore  operations allowed per semop.Replaces  semopm</p>
<p>*process.max-msg-qbytes: Maximum number of bytes of  messages on a message queue. Replaces  msgmnb</p>
<p>*process.max-msg-messages: Maximum number of  messages on a message queue.Replaces  msgtql</p></blockquote>
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