Date: Sun, 19 May 2013 23:47:14 -0400 (EDT) From: Benjamin Kaduk <kaduk@MIT.EDU> To: Tom Rhodes <trhodes@freebsd.org> Cc: svn-doc-projects@freebsd.org, doc-committers@freebsd.org Subject: Re: svn commit: r41664 - in projects/ISBN_1-57176-407-0/en_US.ISO8859-1/books/handbook: config network-servers Message-ID: <alpine.GSO.1.10.1305192344080.9389@multics.mit.edu> In-Reply-To: <201305181956.r4IJu0kK001534@svn.freebsd.org> References: <201305181956.r4IJu0kK001534@svn.freebsd.org>
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On Sat, 18 May 2013, Tom Rhodes wrote: > Modified: projects/ISBN_1-57176-407-0/en_US.ISO8859-1/books/handbook/config/chapter.xml > ============================================================================== > --- projects/ISBN_1-57176-407-0/en_US.ISO8859-1/books/handbook/config/chapter.xml Sat May 18 18:24:11 2013 (r41663) > +++ projects/ISBN_1-57176-407-0/en_US.ISO8859-1/books/handbook/config/chapter.xml Sat May 18 19:55:59 2013 (r41664) > @@ -1959,6 +1959,19 @@ device_probe_and_attach: cbb0 attach ret > <sect1 id="configtuning-disk"> > <title>Tuning Disks</title> > > + <para>The following section will discuss various tuning > + mechanisms and options which may be applied to disk > + devices. In many cases, disks with mechanical parts, > + such as <acronym>SCSI</acronym> drives, will be the bottle > + neck driving down the overall system performance. While I thought "bottleneck" was a word of itself (no space). -Ben > + a solution is to install a drive without mechanical parts, > + such as a solid state drive, mechanical drives are not > + going away anytime in the near future. When tuning disks, > + it is advisable to utilize the features of the &man.iostat.8; > + command to test various changes to the system. This > + command will allow the user to obtain valuable information > + on system <acronym>IO</acronym>.</para> > + > <sect2> > <title>Sysctl Variables</title>
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