Author: chirino
Date: Mon Aug 21 10:40:32 2006
New Revision: 433303
URL: http://svn.apache.org/viewvc?rev=433303&view=rev
Log:
Latest export from confluence
Modified:
incubator/activemq/site/features.html
incubator/activemq/site/masterslave.html
Modified: incubator/activemq/site/features.html
URL:
http://svn.apache.org/viewvc/incubator/activemq/site/features.html?rev=433303&r1=433302&r2=433303&view=diff
==============================================================================
--- incubator/activemq/site/features.html (original)
+++ incubator/activemq/site/features.html Mon Aug 21 10:40:32 2006
@@ -287,7 +287,10 @@
<a href="javascript:hideChildren()">Hide Children</a></span>
</div>
<div class="greybox" id="children" style="display: none;">
- <a
href="http://goopen.org/confluence/display/ACTIVEMQ/Interceptors";
title="Interceptors">Interceptors</a>
+ <a
href="http://goopen.org/confluence/display/ACTIVEMQ/MasterSlave";
title="MasterSlave">MasterSlave</a>
+ <span class="smalltext">(ActiveMQ)</span>
+ <br>
+ <a
href="http://goopen.org/confluence/display/ACTIVEMQ/Interceptors";
title="Interceptors">Interceptors</a>
<span class="smalltext">(ActiveMQ)</span>
<br>
<a
href="http://goopen.org/confluence/display/ACTIVEMQ/Kaha+Persistence";
title="Kaha Persistence">Kaha Persistence</a>
@@ -297,9 +300,6 @@
<span class="smalltext">(ActiveMQ)</span>
<br>
<a
href="http://goopen.org/confluence/display/ACTIVEMQ/Advisory+Message";
title="Advisory Message">Advisory Message</a>
- <span class="smalltext">(ActiveMQ)</span>
- <br>
- <a
href="http://goopen.org/confluence/display/ACTIVEMQ/MasterSlave";
title="MasterSlave">MasterSlave</a>
<span class="smalltext">(ActiveMQ)</span>
<br>
<a
href="http://goopen.org/confluence/display/ACTIVEMQ/Selectors";
title="Selectors">Selectors</a>
Modified: incubator/activemq/site/masterslave.html
URL:
http://svn.apache.org/viewvc/incubator/activemq/site/masterslave.html?rev=433303&r1=433302&r2=433303&view=diff
==============================================================================
--- incubator/activemq/site/masterslave.html (original)
+++ incubator/activemq/site/masterslave.html Mon Aug 21 10:40:32 2006
@@ -276,18 +276,48 @@
<!--
<div class="pagetitle">MasterSlave</div>
-->
- <DIV class="wiki-content"><TABLE cellpadding="5" width="85%"
cellspacing="8px" class="noteMacro" border="0" align="center"><COLGROUP><COL
width="24"><COL></COLGROUP><TR><TD valign="top"><IMG
src="http://goopen.org/confluence/images/icons/emoticons/warning.gif";
width="16" height="16" align="absmiddle" alt="" border="0"></TD><TD><B
class="strong">Apache ActiveMQ 4.0 Feature</B><BR>
-<P>The Master/Slave functionality is only available in the Apache ActiveMQ 4.0
release and above.</P>
+ <DIV class="wiki-content"><H2><A
name="MasterSlave-IntroductiontoMaster%2FSlave"></A>Introduction to Master /
Slave</H2>
-<P>If you are using a shared network file system such as a SAN we recommend a
<A href="shared-file-system-master-slave.html" title="Shared File System Master
Slave">Shared File System Master Slave</A>. If you are happy to dispense with
the high performance journal and are using pure JDBC as your persistence engine
then you should use <A href="jdbc-master-slave.html" title="JDBC Master
Slave">JDBC Master Slave</A> instead.</P></TD></TR></TABLE>
+<P>Master/Slave is now the recommended way for providing high availabilty and
fault tolerance for Apache ActiveMQ. The Master/Slave functionality is only
available in the Apache ActiveMQ 4.0 release and above.</P>
-<H3><A name="MasterSlave-Introduction"></A>Introduction</H3>
+<P>The following are the different kinds of Master/Slave are available</P>
-<P>Master/Slave is now the recommended way for providing high availabilty and
simple fault tolerance for Apache ActiveMQ if you are not relying on a shared
file system or shared JDBC database (see above).</P>
+<TABLE class="confluenceTable"><TBODY>
+<TR>
+<TH class="confluenceTh">Master Slave Type </TH>
+<TH class="confluenceTh"> Requirements </TH>
+<TH class="confluenceTh"> Pros </TH>
+<TH class="confluenceTh"> Cons </TH>
+</TR>
+<TR>
+<TD class="confluenceTd"> Pure Master Slave </TD>
+<TD class="confluenceTd"> None </TD>
+<TD class="confluenceTd"> No central point of failure </TD>
+<TD class="confluenceTd"> Requires manual restart to bring back a failed
master and can only support 1 slave </TD>
+</TR>
+<TR>
+<TD class="confluenceTd"> <A href="shared-file-system-master-slave.html"
title="Shared File System Master Slave">Shared File System Master Slave</A>
</TD>
+<TD class="confluenceTd"> A Shared File system such as a SAN </TD>
+<TD class="confluenceTd"> Run as many slaves as required. Automatic recovery
of old masters </TD>
+<TD class="confluenceTd"> Requires shared file system </TD>
+</TR>
+<TR>
+<TD class="confluenceTd"> <A href="jdbc-master-slave.html" title="JDBC Master
Slave">JDBC Master Slave</A> </TD>
+<TD class="confluenceTd"> A Shared database </TD>
+<TD class="confluenceTd"> Run as many slaves as required. Automatic recovery
of old masters </TD>
+<TD class="confluenceTd"> Requires a shared database. Also relatively slow as
it cannot use the high performance journal </TD>
+</TR>
+</TBODY></TABLE>
+
+
+<P>If you are using a shared network file system such as a SAN we recommend a
<A href="shared-file-system-master-slave.html" title="Shared File System Master
Slave">Shared File System Master Slave</A>. If you are happy to dispense with
the high performance journal and are using pure JDBC as your persistence engine
then you should use <A href="jdbc-master-slave.html" title="JDBC Master
Slave">JDBC Master Slave</A> instead.</P>
+
+
+<H3><A name="MasterSlave-PureMasterSlave"></A>Pure Master Slave</H3>
-<P>A Master/Slave configuration provides a basic shared nothing, fully
replicated toplogy.</P>
+<P>A Pure Master/Slave configuration provides a basic shared nothing, fully
replicated toplogy which does not depend on a shared file system or shared
database. </P>
-<H3><A name="MasterSlave-Howitworks"></A>How it works</H3>
+<H3><A name="MasterSlave-HowPureMaster%2FSlaveworks"></A>How Pure Master/Slave
works</H3>
<UL>
<LI>A slave of a master broker consumes all message states from the
master - messages, acknowledgements and transactional states.<BR>
@@ -321,7 +351,7 @@
</DIV></DIV>
<P>The <B>randomize</B> property just disables randomness so that the
transport will always try the master first, then the slave if it can't
connect to that. Note that the slave does not accept connections until it
becomes the master</P>
-<H3><A name="MasterSlave-Limitations"></A>Limitations</H3>
+<H3><A name="MasterSlave-LimitationsofPureMasterSlave"></A>Limitations of Pure
Master Slave</H3>
<UL>
<LI>Only one slave can be connected to the Master</LI>
@@ -340,7 +370,7 @@
</UL>
-<H3><A name="MasterSlave-ConfiguringMasterSlave"></A>Configuring
MasterSlave</H3>
+<H3><A name="MasterSlave-ConfiguringPureMasterSlave"></A>Configuring Pure
Master Slave</H3>
<P>A master broker doesn't need any special configuration - it's a
normal broker until a slave broker attaches itself.<BR>
To identify a broker as a slave - there is just one property to set (see
below) as this <SPAN class="nobr"><A
href="http://svn.apache.org/repos/asf/incubator/activemq/trunk/activemq-core/src/test/resources/org/apache/activemq/broker/ft/slave2.xml";
title="Visit page outside Confluence" rel="nofollow">example shows<SUP><IMG
class="rendericon" src="http://goopen.org/confluence/images/icons/linkext7.gif";
height="0" width="0" align="absmiddle" alt="" border="0"></SUP></A></SPAN> - so
configuration is nice and easy:</P>
@@ -415,8 +445,8 @@
</DIV>
<DIV id="site-footer">
Added by <A
href="http://goopen.org/confluence/users/viewuserprofile.action?username=rajdavies";>Rob
Davies</A>,
- last edited by <A
href="http://goopen.org/confluence/users/viewuserprofile.action?username=jstrachan";>James
Strachan</A> on Aug 18, 2006
- (<A
href="http://goopen.org/confluence/pages/diffpages.action?pageId=34&originalId=9690";>view
change</A>)
+ last edited by <A
href="http://goopen.org/confluence/users/viewuserprofile.action?username=jstrachan";>James
Strachan</A> on Aug 21, 2006
+ (<A
href="http://goopen.org/confluence/pages/diffpages.action?pageId=34&originalId=9714";>view
change</A>)
(<A
href="http://goopen.org/confluence/pages/editpage.action?pageId=34";>edit
page</A>)
</DIV>
![http://goopen.org/confluence/images/icons/emoticons/warning.gif"](http://goopen.org/confluence/images/icons/emoticons/warning.gif"){kind=link}
![http://goopen.org/confluence/images/icons/linkext7.gif"](http://goopen.org/confluence/images/icons/linkext7.gif"){kind=link}