[jboss-cvs] JBoss Messaging SVN: r4311 - trunk/docs/userguide/en/modules.

[jboss-cvs-commits at lists.jboss.org]

Author: clebert.suconic at jboss.com
Date: 2008-05-27 18:52:36 -0400 (Tue, 27 May 2008)
New Revision: 4311

Modified:
   trunk/docs/userguide/en/modules/configuration.xml
   trunk/docs/userguide/en/modules/installation.xml
Log:
Few config changes

Modified: trunk/docs/userguide/en/modules/configuration.xml
===================================================================
--- trunk/docs/userguide/en/modules/configuration.xml	2008-05-27 22:25:15 UTC (rev 4310)
+++ trunk/docs/userguide/en/modules/configuration.xml	2008-05-27 22:52:36 UTC (rev 4311)
@@ -119,7 +119,19 @@
          <journal-file-size>10485760</journal-file-size>
 
          <journal-min-files>10</journal-min-files>
+         
+         <!-- Maximum simultaneous asynchronous writes accepted by the native layer.
+              (parameter ignored on NIO) -->
+         <journal-max-aio>9000</journal-max-aio>
 
+         <!--  Maximum time in milliseconds an AIO operation could take.
+               This includes:
+               - closing Asynchronous files
+               - Transaction awaits
+               - Awaits on non transactional writes
+          -->
+         <journal-aio-timeout>90000</journal-aio-timeout>
+
          <journal-task-period>5000</journal-task-period>
 
          <security-enabled>true</security-enabled>
@@ -228,6 +240,14 @@
             <para>Minimum number of created files to start with</para>
          </listitem>
          <listitem>
+            <para>journal-max-aio</para>
+            <para>Maximum pending asynchronous writes accepted by the native layer per opened file. There is a limit and the total max AIO can't be higher than /proc/sys/fs/aio-max-nr. If you are combining the usage of JBoss Messaging with other systems that are using libaio (e.g. Oracle) you might need to increase this value on the OS. This parameter is only available on AIO which is only available on Linux at the moment.</para>
+         </listitem>
+         <listitem>
+            <para>journal-aio-timeout</para>
+            <para>Maximum amount of time any asynchronous operation can take in milliseconds. If any operation takes more than this amount a timeout exception will be logged. This parameter is only available on AIO which is only available on Linux.</para>
+         </listitem>
+         <listitem>
             <para>journal-task-period</para>
             <para>How frequently to reclaim unused journal data files, in milliseconds.</para>
          </listitem>

Modified: trunk/docs/userguide/en/modules/installation.xml
===================================================================
--- trunk/docs/userguide/en/modules/installation.xml	2008-05-27 22:25:15 UTC (rev 4310)
+++ trunk/docs/userguide/en/modules/installation.xml	2008-05-27 22:52:36 UTC (rev 4311)
@@ -160,7 +160,7 @@
 
    <section id="installation.jboss">
       <title>Installing JBoss Messaging in JBoss AS 5</title>
-      <para>To Do</para>
+      <para>At this point JBoss Messaging 2 Alpha is a technology preview and we only support the standalone or embedded runs.</para>
    </section>
 
 </chapter>
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