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Posted to commits@qpid.apache.org by ac...@apache.org on 2012/10/01 20:22:19 UTC
svn commit: r1392496 -
/qpid/trunk/qpid/doc/book/src/cpp-broker/Active-Passive-Cluster.xml
Author: aconway
Date: Mon Oct 1 18:22:19 2012
New Revision: 1392496
URL: http://svn.apache.org/viewvc?rev=1392496&view=rev
Log:
NO-JIRA: HA minor updates to documentation.
Modified:
qpid/trunk/qpid/doc/book/src/cpp-broker/Active-Passive-Cluster.xml
Modified: qpid/trunk/qpid/doc/book/src/cpp-broker/Active-Passive-Cluster.xml
URL: http://svn.apache.org/viewvc/qpid/trunk/qpid/doc/book/src/cpp-broker/Active-Passive-Cluster.xml?rev=1392496&r1=1392495&r2=1392496&view=diff
==============================================================================
--- qpid/trunk/qpid/doc/book/src/cpp-broker/Active-Passive-Cluster.xml (original)
+++ qpid/trunk/qpid/doc/book/src/cpp-broker/Active-Passive-Cluster.xml Mon Oct 1 18:22:19 2012
@@ -181,18 +181,15 @@ under the License.
</section>
<section>
<title>Limitations</title>
+ <para>
+ There are a number of known limitations in the current preview implementation. These
+ will be fixed in the production versions.
+ </para>
<itemizedlist>
<listitem>
- Transactional changes to queue state are not replicated atomically. If the
- primary crashes during a transaction, it is possible that the backup could
- contain only part of the changes introduced by a transaction.
- </listitem>
- <listitem>
- Not yet integrated with the persistent store. A persistent broker must have its
- store erased before joining an existing cluster. If the entire cluster fails,
- there are no tools to help identify the most recent store. In the future a
- persistent broker will be able to use its stored messages to avoid downloading
- messages from the primary when joining a cluster.
+ Transactional changes to queue state are not replicated atomically. If the primary crashes
+ during a transaction, it is possible that the backup could contain only part of the
+ changes introduced by a transaction.
</listitem>
<listitem>
Configuration changes (creating or deleting queues, exchanges and bindings) are
@@ -209,7 +206,7 @@ under the License.
<listitem>
Federated links <emphasis>from</emphasis> the primary will be lost in fail over,
they will not be re-connected to the new primary. Federation links
- <emphasis>to</emphasis> the primary can fail over.
+ <emphasis>to</emphasis> the primary will fail over.
</listitem>
</itemizedlist>
</section>
@@ -345,6 +342,15 @@ ssl_addr = "ssl:" host [":" port]'
</para>
</entry>
</row>
+ <row>
+ <entry><literal>link-heartbeat-interval <replaceable>SECONDS</replaceable></literal></entry>
+ <entry>
+ <para>
+ Heartbeat interval for replication links. The link will be assumed broken
+ if there is no heartbeat for twice the interval.
+ </para>
+ </entry>
+ </row>
</tbody>
</tgroup>
</table>
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