[hornetq-commits] JBoss hornetq SVN: r9485 - trunk/docs/user-manual/en.

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Author: timfox
Date: 2010-07-28 07:46:15 -0400 (Wed, 28 Jul 2010)
New Revision: 9485

Modified:
   trunk/docs/user-manual/en/perf-tuning.xml
Log:
tweak to perf tuning docs

Modified: trunk/docs/user-manual/en/perf-tuning.xml
===================================================================
--- trunk/docs/user-manual/en/perf-tuning.xml	2010-07-28 11:21:06 UTC (rev 9484)
+++ trunk/docs/user-manual/en/perf-tuning.xml	2010-07-28 11:46:15 UTC (rev 9485)
@@ -190,8 +190,12 @@
             <listitem>
                 <para>TCP buffer sizes. If you have a fast network and fast machines you may get a
                     performance boost by increasing the TCP send and receive buffer sizes. See the
-                        <xref linkend="configuring-transports"/> for more information on this.
-                </para>
+                        <xref linkend="configuring-transports"/> for more information on this. </para>
+                <note>
+                    <para> Note that some operating systems like later versions of Linux include TCP
+                        auto-tuning and setting TCP buffer sizes manually can prevent auto-tune from
+                        working and actually give you worse performance!</para>
+                </note>
             </listitem>
             <listitem>
                 <para>Increase limit on file handles on the server. If you expect a lot of