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These + require other software and/or hardware and are outside the scope of this document.</p></div><div class="navfooter"><hr /><table summary="Navigation footer" width="100%"><tr><td align="left" width="40%"><a accesskey="p" href="Java-Broker-High-Availability-NodeOperations.html">Prev</a> </td><td align="center" width="20%"><a accesskey="u" href="Java-Broker-High-Availability.html">Up</a></td><td align="right" width="40%"> <a accesskey="n" href="Java-Broker-High-Availability-DiskSpace.html">Next</a></td></tr><tr><td align="left" valign="top" width="40%">10.5. Node Operations </td><td align="center" width="20%"><a accesskey="h" href="AMQP-Messaging-Broker-Java-Book.html">Home</a></td><td align="right" valign="top" width="40%"> 10.7. Disk space requirements</td></tr></table></div></div> + + <hr/> + + <ul id="-apache-navigation"> + <li><a href="http://www.apache.org/";>Apache</a></li> + <li><a href="http://www.apache.org/licenses/";>License</a></li> + <li><a href="http://www.apache.org/foundation/sponsorship.html";>Sponsorship</a></li> + <li><a href="http://www.apache.org/foundation/thanks.html";>Thanks!</a></li> + <li><a href="/security.html">Security</a></li> + <li><a href="http://www.apache.org/";><img id="-apache-feather" width="48" height="14" src="" alt="Apache"/></a></li> + </ul> + + <p id="-legal"> + Apache Qpid, Messaging built on AMQP; Copyright © 2015 + The Apache Software Foundation; Licensed under + the <a href="http://www.apache.org/licenses/LICENSE-2.0";>Apache + License, Version 2.0</a>; Apache Qpid, Qpid, Qpid Proton, + Proton, Apache, the Apache feather logo, and the Apache Qpid + project logo are trademarks of The Apache Software + Foundation; All other marks mentioned may be trademarks or + registered trademarks of their respective owners + </p> + </div> + </div> + </div> + </body> +</html>
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At a high level, creating a group involves + first creating the first node standalone, then creating subsequent nodes referencing the first + node so the nodes can introduce themselves and gradually the group is built up.</p><p>A group is created through either <a class="link" href="Java-Broker-Management-Channel-Web-Console.html" title="6.2. Web Management Console">Web Management</a> or the <a class="link" href="Java-Broker-Management-Channel-REST-API.html" title="6.3. REST API">REST API</a>. These instructions + presume you are using Web Management. To illustrate the example it builds the group + illustrated in figure <a class="xref" href="Java-Broker-High-Availability-OverviewOfHA.html#Java-Broker-High-Availability-OverviewOfHA-Figure" title="Figure 10.1. 3-node group deployed across three Brokers.">Figure 10.1, “3-node group deployed across three Brokers.”</a></p><div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"><p>Install a Broker on each machine that will be used to host the group. As messaging + clients will need to be able to connect to and authentication to all Brokers, it usually + makes sense to choose a common authentication mechanism e.g. Simple LDAP Authentication, + External with SSL client authentication or Kerberos.</p></li><li class="listitem"><p>Select one Broker instance to host the first node instance. This choice is an + arbitrary one. The node is special only whilst creating group. Once creation is + complete, all nodes will be considered equal.</p></li><li class="listitem"><p>Click the <code class="literal">Add</code> button on the Virtualhost Panel on the Broker + tab.</p><p> + </p><div class="orderedlist"><ol class="orderedlist" type="a"><li class="listitem"><p>Give the Virtualhost node a unique name e.g. <code class="literal">weather1</code>. The + name must be unique within the group and unique to that Broker. It is best if the + node names are chosen from a different nomenclature than the machine names + themselves.</p></li><li class="listitem"><p>Choose <code class="literal">BDB_HA</code> and select <code class="literal">New group</code> + </p></li><li class="listitem"><p>Give the group a name e.g. <code class="literal">weather</code>. The group name must be + unique and will be the name also given to the virtualhost, so this is the name the + messaging clients will use in their connection url.</p></li><li class="listitem"><p>Give the address of this node. This is an address on this node's host that + will be used for replication purposes. The hostname <span class="emphasis"><em>must</em></span> be + resolvable by all the other nodes in the group. This is separate from the address + used by messaging clients to connect to the Broker. It is usually best to choose a + symbolic name, rather than an IP address.</p></li><li class="listitem"><p>Now add the node addresses of all the other nodes that will form the group. In + our example we are building a three node group so we give the node addresses of + <code class="literal">chaac:5000</code> and <code class="literal">indra:5000</code>.</p></li><li class="listitem"><p>Click Add to create the node. The virtualhost node will be created with the + virtualhost. As there is only one node at this stage, the role will be + master.</p></li></ol></div><p> + </p><div class="figure"><a id="d0e6842"></a><p class="title"><strong>Figure 10.2. Creating 1st node in a group</strong></p><div class="figure-contents"><div class="mediaobject"><img alt="Creating 1st node in a group" src="images/HA-Create-1.png" /></div></div></div><p><br class="figure-break" /> + </p></li><li class="listitem"><p>Now move to the second Broker to be the group. Click the <code class="literal">Add</code> + button on the Virtualhost Panel on the Broker tab of the second Broker.</p><p> + </p><div class="orderedlist"><ol class="orderedlist" type="a"><li class="listitem"><p>Give the Virtualhost node a unique name e.g. + <code class="literal">weather2</code>.</p></li><li class="listitem"><p>Choose <code class="literal">BDB_HA</code> and choose <code class="literal">Existing group</code> + </p></li><li class="listitem"><p>Give the details of the <span class="emphasis"><em>existing node</em></span>. Following our + example, specify <code class="literal">weather</code>, <code class="literal">weather1</code> and + <code class="literal">thor:5000</code></p></li><li class="listitem"><p>Give the address of this node.</p></li><li class="listitem"><p>Click Add to create the node. The node will use the existing details to + contact it and introduce itself into the group. At this stage, the group will have + two nodes, with the second node in the replica role.</p></li><li class="listitem"><p>Repeat these steps until you have added all the nodes to the group.</p></li></ol></div><p> + </p><div class="figure"><a id="d0e6900"></a><p class="title"><strong>Figure 10.3. Adding subsequent nodes to the group</strong></p><div class="figure-contents"><div class="mediaobject"><img alt="Adding subsequent nodes to the group" src="images/HA-Create-2.png" /></div></div></div><p><br class="figure-break" /> + </p></li></ol></div><p>The group is now formed and is ready for us. Looking at the virtualhost node of any of the + nodes shows a complete view of the whole group. </p><div class="figure"><a id="d0e6912"></a><p class="title"><strong>Figure 10.4. View of group from one node</strong></p><div class="figure-contents"><div class="mediaobject"><img alt="View of group from one node" src="images/HA-Create-3.png" /></div></div></div><p><br class="figure-break" /></p></div><div class="navfooter"><hr /><table summary="Navigation footer" width="100%"><tr><td align="left" width="40%"><a accesskey="p" href="Java-Broker-High-Availability-OverviewOfHA.html">Prev</a> </td><td align="center" width="20%"><a accesskey="u" href="Java-Broker-High-Availability.html">Up</a></td><td align="right" width="40%"> <a accesskey="n" href="Java-Broker-High-Availability-Behaviour.html">Next</a></td></tr><tr><td align="left" valign="top" width="40%">10.2. High Availability Overview </td><td align="center" width="20%"><a accesskey="h" href="AMQP-Messaging-Broker-Java-Book.html">Home</a></td><td a lign="right" valign="top" width="40%"> 10.4. Behaviour of the Group</td></tr></table></div></div> + + <hr/> + + <ul id="-apache-navigation"> + <li><a href="http://www.apache.org/";>Apache</a></li> + <li><a href="http://www.apache.org/licenses/";>License</a></li> + <li><a href="http://www.apache.org/foundation/sponsorship.html";>Sponsorship</a></li> + <li><a href="http://www.apache.org/foundation/thanks.html";>Thanks!</a></li> + <li><a href="/security.html">Security</a></li> + <li><a href="http://www.apache.org/";><img id="-apache-feather" width="48" height="14" src="" alt="Apache"/></a></li> + </ul> + + <p id="-legal"> + Apache Qpid, Messaging built on AMQP; Copyright © 2015 + The Apache Software Foundation; Licensed under + the <a href="http://www.apache.org/licenses/LICENSE-2.0";>Apache + License, Version 2.0</a>; Apache Qpid, Qpid, Qpid Proton, + Proton, Apache, the Apache feather logo, and the Apache Qpid + project logo are trademarks of The Apache Software + Foundation; All other marks mentioned may be trademarks or + registered trademarks of their respective owners + </p> + </div> + </div> + </div> + </body> +</html> http://git-wip-us.apache.org/repos/asf/qpid-site/blob/d1947fd4/content/releases/qpid-java-6.1.7/java-broker/book/Java-Broker-High-Availability-DiskSpace.html ---------------------------------------------------------------------- diff --git a/content/releases/qpid-java-6.1.7/java-broker/book/Java-Broker-High-Availability-DiskSpace.html b/content/releases/qpid-java-6.1.7/java-broker/book/Java-Broker-High-Availability-DiskSpace.html new file mode 100644 index 0000000..842fdea --- /dev/null +++ b/content/releases/qpid-java-6.1.7/java-broker/book/Java-Broker-High-Availability-DiskSpace.html @@ -0,0 +1,147 @@ +<!DOCTYPE html> +<!-- + - + - Licensed to the Apache Software Foundation (ASF) under one + - or more contributor license agreements. 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In a busy + production system, the disk space occupied could be considerable.</p><p>This setting is controlled by virtualhost context variable + <code class="literal">je.rep.repStreamTimeout</code>.</p></div><div class="navfooter"><hr /><table summary="Navigation footer" width="100%"><tr><td align="left" width="40%"><a accesskey="p" href="Java-Broker-High-Availability-ClientFailover.html">Prev</a> </td><td align="center" width="20%"><a accesskey="u" href="Java-Broker-High-Availability.html">Up</a></td><td align="right" width="40%"> <a accesskey="n" href="Java-Broker-High-Availability-Network-Requirements.html">Next</a></td></tr><tr><td align="left" valign="top" width="40%">10.6. Client failover </td><td align="center" width="20%"><a accesskey="h" href="AMQP-Messaging-Broker-Java-Book.html">Home</a></td><td align="right" valign="top" width="40%"> 10.8. Network Requirements</td></tr></table></div></div> + + <hr/> + + <ul id="-apache-navigation"> + <li><a href="http://www.apache.org/";>Apache</a></li> + <li><a href="http://www.apache.org/licenses/";>License</a></li> + <li><a href="http://www.apache.org/foundation/sponsorship.html";>Sponsorship</a></li> + <li><a href="http://www.apache.org/foundation/thanks.html";>Thanks!</a></li> + <li><a href="/security.html">Security</a></li> + <li><a href="http://www.apache.org/";><img id="-apache-feather" width="48" height="14" src="" alt="Apache"/></a></li> + </ul> + + <p id="-legal"> + Apache Qpid, Messaging built on AMQP; Copyright © 2015 + The Apache Software Foundation; Licensed under + the <a href="http://www.apache.org/licenses/LICENSE-2.0";>Apache + License, Version 2.0</a>; Apache Qpid, Qpid, Qpid Proton, + Proton, Apache, the Apache feather logo, and the Apache Qpid + project logo are trademarks of The Apache Software + Foundation; All other marks mentioned may be trademarks or + registered trademarks of their respective owners + </p> + </div> + </div> + </div> + </body> +</html> http://git-wip-us.apache.org/repos/asf/qpid-site/blob/d1947fd4/content/releases/qpid-java-6.1.7/java-broker/book/Java-Broker-High-Availability-Network-Requirements.html ---------------------------------------------------------------------- diff --git a/content/releases/qpid-java-6.1.7/java-broker/book/Java-Broker-High-Availability-Network-Requirements.html b/content/releases/qpid-java-6.1.7/java-broker/book/Java-Broker-High-Availability-Network-Requirements.html new file mode 100644 index 0000000..d5c3f6c --- /dev/null +++ b/content/releases/qpid-java-6.1.7/java-broker/book/Java-Broker-High-Availability-Network-Requirements.html @@ -0,0 +1,148 @@ +<!DOCTYPE html> +<!-- + - + - Licensed to the Apache Software Foundation (ASF) under one + - or more contributor license agreements. 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Any + messaging clients will be disconnected and any in-flight transaction rollbacked. The + remaining nodes will elect a new master if quorum number of nodes still remains.</p><p>Stopping a replica node will cause the node to temporarily leave the group too. + Providing quorum still exists, the current master will continue without interruption. If + by leaving the group, quorum no longer exists, all the nodes will begin waiting, + disconnecting any messaging clients, and the virtualhost will become unavailable.</p><p>A stopped virtualhost node is still considered to be a member of the group.</p></li><li class="listitem"><p><span class="emphasis"><em>Start</em></span></p><p>Starting a virtualhost node allows it to rejoin the group.</p><p>If the group already has a master, the node will catch up from the master and then + become a replica once it has done so.</p><p>If the group did not have quorum and so had no master, but the rejoining of this + node means quorum now exists, an election will take place. The node with the most up to + date transaction will become master unless influenced by the priority rules described + above.</p><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p>The length of time taken to catch up will depend on how long the node has been + stopped. The worst case is where the node has been stopped for more than one hour. In + this case, the master will perform an automated <code class="literal">network restore</code>. + This involves streaming all the data held by the master over to the replica. This + could take considerable time.</p></div></li><li class="listitem"><p><span class="emphasis"><em>Delete</em></span></p><p>A virtualhost node can be deleted. Deleting a node permanently removes the node from + the group. The data stored locally is removed but this does not affect the data held by + the remainder of the group.</p><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p>The names of deleted virtualhost node cannot be reused within a group.</p></div></li></ul></div><p>It is also possible to add nodes to an existing group using the procedure described + above.</p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="Java-Broker-High-Availability-NodeOperations-TransferMaster"></a>10.5.2. Transfer Master</h3></div></div></div><p>This operation allows the mastership to be moved from node to node. This is useful for + restoring a business as usual state after a failure.</p><p>When using this function, the following occurs. </p><div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"><p>The system first gives time for the chosen new master to become reasonable up to + date. </p></li><li class="listitem"><p>It then suspends transactions on the old master and allows the chosen node to + become up to date.</p></li><li class="listitem"><p>The suspended transactions are aborted and any messaging clients connected to the + old master are disconnected.</p></li><li class="listitem"><p>The chosen master becomes the new master. The old master becomes a replica.</p></li><li class="listitem"><p>Messaging clients reconnect the new master.</p></li></ol></div></div></div><div class="navfooter"><hr /><table summary="Navigation footer" width="100%"><tr><td align="left" width="40%"><a accesskey="p" href="Java-Broker-High-Availability-Behaviour.html">Prev</a> </td><td align="center" width="20%"><a accesskey="u" href="Java-Broker-High-Availability.html">Up</a></td><td align="right" width="40%"> <a accesskey="n" href="Java-Broker-High-Availability-ClientFailover.html">Next</a></td></tr><tr><td align="left" valign="top" width="40%">10.4. Behaviour of the Group </td><td align="center" width="20%"><a accesskey="h" href="AMQP-Messaging-Broker-Java-Book.html">Home</a></td><td align="right" valign="top" width="40%"> 10.6. Client failover</td></tr></table></div></div> + + <hr/> + + <ul id="-apache-navigation"> + <li><a href="http://www.apache.org/";>Apache</a></li> + <li><a href="http://www.apache.org/licenses/";>License</a></li> + <li><a href="http://www.apache.org/foundation/sponsorship.html";>Sponsorship</a></li> + <li><a href="http://www.apache.org/foundation/thanks.html";>Thanks!</a></li> + <li><a href="/security.html">Security</a></li> + <li><a href="http://www.apache.org/";><img id="-apache-feather" width="48" height="14" src="" alt="Apache"/></a></li> + </ul> + + <p id="-legal"> + Apache Qpid, Messaging built on AMQP; Copyright © 2015 + The Apache Software Foundation; Licensed under + the <a href="http://www.apache.org/licenses/LICENSE-2.0";>Apache + License, Version 2.0</a>; Apache Qpid, Qpid, Qpid Proton, + Proton, Apache, the Apache feather logo, and the Apache Qpid + project logo are trademarks of The Apache Software + Foundation; All other marks mentioned may be trademarks or + registered trademarks of their respective owners + </p> + </div> + </div> + </div> + </body> +</html> http://git-wip-us.apache.org/repos/asf/qpid-site/blob/d1947fd4/content/releases/qpid-java-6.1.7/java-broker/book/Java-Broker-High-Availability-OverviewOfHA.html ---------------------------------------------------------------------- diff --git a/content/releases/qpid-java-6.1.7/java-broker/book/Java-Broker-High-Availability-OverviewOfHA.html b/content/releases/qpid-java-6.1.7/java-broker/book/Java-Broker-High-Availability-OverviewOfHA.html new file mode 100644 index 0000000..da7f964 --- /dev/null +++ b/content/releases/qpid-java-6.1.7/java-broker/book/Java-Broker-High-Availability-OverviewOfHA.html @@ -0,0 +1,169 @@ +<!DOCTYPE html> +<!-- + - + - Licensed to the Apache Software Foundation (ASF) under one + - or more contributor license agreements. 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See the License for the + - specific language governing permissions and limitations + - under the License. + - +--> +<html xmlns="http://www.w3.org/1999/xhtml"; xml:lang="en"> + <head> + <title>10.2. High Availability Overview - Apache Qpid™</title> + <meta http-equiv="X-UA-Compatible" content="IE=edge"/> + <meta name="viewport" content="width=device-width, initial-scale=1.0"/> + <link rel="stylesheet" href="/site.css" type="text/css" async="async"/> + <link rel="stylesheet" href="/deferred.css" type="text/css" defer="defer"/> + <script type="text/javascript">var _deferredFunctions = [];</script> + <script type="text/javascript" src="/deferred.js" defer="defer"></script> + <!--[if lte IE 8]> + <link rel="stylesheet" href="/ie.css" type="text/css"/> + <script type="text/javascript" src="/html5shiv.js"></script> + <![endif]--> + + <!-- Redirects for `go get` and godoc.org --> + <meta name="go-import" + content="qpid.apache.org git https://git-wip-us.apache.org/repos/asf/qpid-proton.git"/> + <meta name="go-source" + content="qpid.apache.org +https://github.com/apache/qpid-proton/blob/go1/README.md +https://github.com/apache/qpid-proton/tree/go1{/dir} +https://github.com/apache/qpid-proton/blob/go1{/dir}/{file}#L{line}"/> + </head> + <body> + <div id="-content"> + <div id="-top" class="panel"> + <a id="-menu-link"><img width="16" height="16" src="" alt="Menu"/></a> + + <a id="-search-link"><img width="22" height="16" src="" alt="Search"/></a> + + <ul id="-global-navigation"> + <li><a id="-logotype" href="/index.html">Apache Qpid<sup>™</sup></a></li> + <li><a href="/documentation.html">Documentation</a></li> + <li><a href="/download.html">Download</a></li> + <li><a href="/discussion.html">Discussion</a></li> + </ul> + </div> + + <div id="-menu" class="panel" style="display: none;"> + <div class="flex"> + <section> + <h3>Project</h3> + + <ul> + <li><a href="/overview.html">Overview</a></li> + <li><a href="/components/index.html">Components</a></li> + <li><a href="/releases/index.html">Releases</a></li> + </ul> + </section> + + <section> + <h3>Messaging APIs</h3> + + <ul> + <li><a href="/proton/index.html">Qpid Proton</a></li> + <li><a href="/components/jms/index.html">Qpid JMS</a></li> + <li><a href="/components/messaging-api/index.html">Qpid Messaging API</a></li> + </ul> + </section> + + <section> + <h3>Servers and tools</h3> + + <ul> + <li><a href="/components/broker-j/index.html">Broker-J</a></li> + <li><a href="/components/cpp-broker/index.html">C++ broker</a></li> + <li><a href="/components/dispatch-router/index.html">Dispatch router</a></li> + </ul> + </section> + + <section> + <h3>Resources</h3> + + <ul> + <li><a href="/dashboard.html">Dashboard</a></li> + <li><a href="https://cwiki.apache.org/confluence/display/qpid/Index";>Wiki</a></li> + <li><a href="/resources.html">More resources</a></li> + </ul> + </section> + </div> + </div> + + <div id="-search" class="panel" style="display: none;"> + <form action="http://www.google.com/search"; method="get"> + <input type="hidden" name="sitesearch" value="qpid.apache.org"/> + <input type="text" name="q" maxlength="255" autofocus="autofocus" tabindex="1"/> + <button type="submit">Search</button> + <a href="/search.html">More ways to search</a> + </form> + </div> + + <div id="-middle" class="panel"> + <ul id="-path-navigation"><li><a href="/index.html">Home</a></li><li><a href="/releases/index.html">Releases</a></li><li><a href="/releases/qpid-java-6.1.7/index.html">Qpid for Java 6.1.7</a></li><li><a href="/releases/qpid-java-6.1.7/java-broker/book/index.html">Apache Qpid Broker for Java</a></li><li>10.2. High Availability Overview</li></ul> + + <div id="-middle-content"> + <div class="docbook"><div class="navheader"><table summary="Navigation header" width="100%"><tr><th align="center" colspan="3">10.2. High Availability Overview</th></tr><tr><td align="left" width="20%"><a accesskey="p" href="Java-Broker-High-Availability.html">Prev</a> </td><th align="center" width="60%">Chapter 10. High Availability</th><td align="right" width="20%"> <a accesskey="n" href="Java-Broker-High-Availability-CreatingGroup.html">Next</a></td></tr></table><hr /></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="Java-Broker-High-Availability-OverviewOfHA"></a>10.2. High Availability Overview</h2></div></div></div><p>The Broker provides a HA implementation offering an <span class="bold"><strong>Active/Passive</strong></span> mode of operation. + When using HA, many instances of the Broker work together to form an high availability group of two or more nodes.</p><p>The remainder of this section now talks about the specifics of how HA is achieved in terms + of the <a class="link" href="Java-Broker-Concepts.html" title="Chapter 4. Concepts">concepts</a> introduced earlier in this + book.</p><p>The <a class="link" href="Java-Broker-Concepts-Virtualhosts.html" title="4.5. Virtualhosts">Virtualhost</a> is the unit of + replication. This means that any <span class="emphasis"><em>durable</em></span> queues, exchanges, and bindings + belonging to that virtualhost, any <span class="emphasis"><em>persistent</em></span> messages contained within + the queues and any attribute settings applied to the virtualhost itself are automatically + replicated to all nodes within the group.<a class="footnote" href="#ftn.d0e6726" id="d0e6726"><sup class="footnote">[14]</sup></a></p><p>It is the <a class="link" href="Java-Broker-Concepts-Virtualhost-Nodes.html" title="4.3. Virtualhost Nodes">Virtualhost Nodes</a> + (from different Broker instances) that join together to form a group. The virtualhost nodes + collectively to coordinate the group: they organise replication between the master and + replicas and conduct elections to determine who becomes the new master in the event of the old + failing.</p><p>When a virtualhost node is in the <span class="emphasis"><em>master</em></span> role, the virtualhost + beneath it is available for messaging work. Any write operations sent to the virtualhost are + automatically replicated to all other nodes in group.</p><p>When a virtualhost node is in the <span class="emphasis"><em>replica</em></span> role, the virtualhost + beneath it is always unavailable for message work. Any attempted connections to a virtualhost + in this state are automatically turned away, allowing a messaging client to discover where the + master currently resides. When in replica role, the node sole responsibility is to consume a + replication stream in order that it remains up to date with the master.</p><p>Messaging clients discover the active virtualhost.This can be achieved using a static + technique (for instance, a failover url (a feature of a Apache Qpid JMS Client for AMQP 0-9-1/0-10)), or a dynamic one + utilising some kind of proxy or virtual IP (VIP).</p><p>The figure that follows illustrates a group formed of three virtualhost nodes from three + separate Broker instances. A client is connected to the virtualhost node that is in the master + role. The two virtualhost nodes <code class="literal">weather1</code> and <code class="literal">weather3</code> + are replicas and are receiving a stream of updates.</p><div class="figure"><a id="Java-Broker-High-Availability-OverviewOfHA-Figure"></a><p class="title"><strong>Figure 10.1. 3-node group deployed across three Brokers.</strong></p><div class="figure-contents"><div class="mediaobject"><img alt="Diagram showing a 3 node group deployed across three Brokers" src="images/HA-Overview.png" /></div></div></div><br class="figure-break" /><p>Currently, the only virtualhost/virtualhost node type offering HA is BDB HA. Internally, + this leverages the HA capabilities of the Berkeley DB JE edition. BDB JE is an <a class="link" href="Java-Broker-Miscellaneous-Installing-Oracle-BDB-JE.html" title="E.3. Installing Oracle BDB JE">optional dependency</a> of + the Broker.</p><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p>The HA solution from the Apache Qpid Broker for Java is incompatible with the HA solution offered by the CPP + Broker. It is not possible to co-locate Broker for Java and CPP Brokers within the same group.</p></div><div class="footnotes"><br /><hr style="width:100; text-align:left;margin-left: 0" /><div class="footnote" id="ftn.d0e6726"><p><a class="para" href="#d0e6726"><sup class="para">[14] </sup></a>Transient messages and messages on non-durable queues are not replicated.</p></div></div></div><div class="navfooter"><hr /><table summary="Navigation footer" width="100%"><tr><td align="left" width="40%"><a accesskey="p" href="Java-Broker-High-Availability.html">Prev</a> </td><td align="center" width="20%"><a accesskey="u" href="Java-Broker-High-Availability.html">Up</a></td><td align="right" width="40%"> <a accesskey="n" href="Java-Broker-High-Availability-CreatingGroup.html">Next</a></td></tr><tr><td align="left" valign="top" width="40%">Chapter 10. High Availability </td><td align="center" width="20%"><a accesskey="h" href="AMQP-Messaging-Broker-Java-Book. html">Home</a></td><td align="right" valign="top" width="40%"> 10.3. Creating a group</td></tr></table></div></div> + + <hr/> + + <ul id="-apache-navigation"> + <li><a href="http://www.apache.org/";>Apache</a></li> + <li><a href="http://www.apache.org/licenses/";>License</a></li> + <li><a href="http://www.apache.org/foundation/sponsorship.html";>Sponsorship</a></li> + <li><a href="http://www.apache.org/foundation/thanks.html";>Thanks!</a></li> + <li><a href="/security.html">Security</a></li> + <li><a href="http://www.apache.org/";><img id="-apache-feather" width="48" height="14" src="" alt="Apache"/></a></li> + </ul> + + <p id="-legal"> + Apache Qpid, Messaging built on AMQP; Copyright © 2015 + The Apache Software Foundation; Licensed under + the <a href="http://www.apache.org/licenses/LICENSE-2.0";>Apache + License, Version 2.0</a>; Apache Qpid, Qpid, Qpid Proton, + Proton, Apache, the Apache feather logo, and the Apache Qpid + project logo are trademarks of The Apache Software + Foundation; All other marks mentioned may be trademarks or + registered trademarks of their respective owners + </p> + </div> + </div> + </div> + </body> +</html> http://git-wip-us.apache.org/repos/asf/qpid-site/blob/d1947fd4/content/releases/qpid-java-6.1.7/java-broker/book/Java-Broker-High-Availability-Reset-Group-Infomational.html ---------------------------------------------------------------------- diff --git a/content/releases/qpid-java-6.1.7/java-broker/book/Java-Broker-High-Availability-Reset-Group-Infomational.html b/content/releases/qpid-java-6.1.7/java-broker/book/Java-Broker-High-Availability-Reset-Group-Infomational.html new file mode 100644 index 0000000..a3c219e --- /dev/null +++ b/content/releases/qpid-java-6.1.7/java-broker/book/Java-Broker-High-Availability-Reset-Group-Infomational.html @@ -0,0 +1,151 @@ +<!DOCTYPE html> +<!-- + - + - Licensed to the Apache Software Foundation (ASF) under one + - or more contributor license agreements. 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There are some + circumstances when resetting this information is useful.</p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>Copying data between environments (e.g. production to UAT)</p></li><li class="listitem"><p>Some disaster recovery situations where a group must be recreated on new + hardware</p></li></ul></div><p>This is not an normal operation and is not usually required</p><p>The following command replaces the group table contained within the JE logs files with the + provided information. </p><div class="example"><a id="d0e7245"></a><p class="title"><strong>Example 10.1. Resetting of replication group with <code class="classname">DbResetRepGroup</code></strong></p><div class="example-contents"><div class="cmdsynopsis"><p><code class="command">java</code> -cp je-5.0.104.jar com.sleepycat.je.rep.util.DbResetRepGroup -h <em class="replaceable"><code>path/to/jelogfiles</code></em> <br /> -groupName <em class="replaceable"><code>newgroupname</code></em> -nodeName <em class="replaceable"><code>newnodename</code></em> -nodeHostPort <em class="replaceable"><code>newhostname:5000</code></em> </p></div></div></div><br class="example-break" /><p>The modified log files can then by copied into + <code class="literal">${QPID_WORK}/<nodename>/config</code> directory of a target Broker. Then + start the Broker, and add a BDB HA Virtualhost node specify the same group name, node name and + node address. You will then have a group with a single node, ready to start re-adding + additional nodes as described above. </p></div><div class="navfooter"><hr /><table summary="Navigation footer" width="100%"><tr><td align="left" width="40%"><a accesskey="p" href="Java-Broker-High-Availability-Backup.html">Prev</a> </td><td align="center" width="20%"><a accesskey="u" href="Java-Broker-High-Availability.html">Up</a></td><td align="right" width="40%"> <a accesskey="n" href="Java-Broker-Backup-And-Recovery.html">Next</a></td></tr><tr><td align="left" valign="top" width="40%">10.10. Backups </td><td align="center" width="20%"><a accesskey="h" href="AMQP-Messaging-Broker-Java-Book.html">Home</a></td><td align="right" valign="top" width="40%"> Chapter 11. Backup And Recovery</td></tr></table></div></div> + + <hr/> + + <ul id="-apache-navigation"> + <li><a href="http://www.apache.org/";>Apache</a></li> + <li><a href="http://www.apache.org/licenses/";>License</a></li> + <li><a href="http://www.apache.org/foundation/sponsorship.html";>Sponsorship</a></li> + <li><a href="http://www.apache.org/foundation/thanks.html";>Thanks!</a></li> + <li><a href="/security.html">Security</a></li> + <li><a href="http://www.apache.org/";><img id="-apache-feather" width="48" height="14" src="" alt="Apache"/></a></li> + </ul> + + <p id="-legal"> + Apache Qpid, Messaging built on AMQP; Copyright © 2015 + The Apache Software Foundation; Licensed under + the <a href="http://www.apache.org/licenses/LICENSE-2.0";>Apache + License, Version 2.0</a>; Apache Qpid, Qpid, Qpid Proton, + Proton, Apache, the Apache feather logo, and the Apache Qpid + project logo are trademarks of The Apache Software + Foundation; All other marks mentioned may be trademarks or + registered trademarks of their respective owners + </p> + </div> + </div> + </div> + </body> +</html> http://git-wip-us.apache.org/repos/asf/qpid-site/blob/d1947fd4/content/releases/qpid-java-6.1.7/java-broker/book/Java-Broker-High-Availability-Security.html ---------------------------------------------------------------------- diff --git a/content/releases/qpid-java-6.1.7/java-broker/book/Java-Broker-High-Availability-Security.html b/content/releases/qpid-java-6.1.7/java-broker/book/Java-Broker-High-Availability-Security.html new file mode 100644 index 0000000..50925f3 --- /dev/null +++ b/content/releases/qpid-java-6.1.7/java-broker/book/Java-Broker-High-Availability-Security.html @@ -0,0 +1,146 @@ +<!DOCTYPE html> +<!-- + - + - Licensed to the Apache Software Foundation (ASF) under one + - or more contributor license agreements. 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method="get"> + <input type="hidden" name="sitesearch" value="qpid.apache.org"/> + <input type="text" name="q" maxlength="255" autofocus="autofocus" tabindex="1"/> + <button type="submit">Search</button> + <a href="/search.html">More ways to search</a> + </form> + </div> + + <div id="-middle" class="panel"> + <ul id="-path-navigation"><li><a href="/index.html">Home</a></li><li><a href="/releases/index.html">Releases</a></li><li><a href="/releases/qpid-java-6.1.7/index.html">Qpid for Java 6.1.7</a></li><li><a href="/releases/qpid-java-6.1.7/java-broker/book/index.html">Apache Qpid Broker for Java</a></li><li>10.9. Security</li></ul> + + <div id="-middle-content"> + <div class="docbook"><div class="navheader"><table summary="Navigation header" width="100%"><tr><th align="center" colspan="3">10.9. Security</th></tr><tr><td align="left" width="20%"><a accesskey="p" href="Java-Broker-High-Availability-Network-Requirements.html">Prev</a> </td><th align="center" width="60%">Chapter 10. High Availability</th><td align="right" width="20%"> <a accesskey="n" href="Java-Broker-High-Availability-Backup.html">Next</a></td></tr></table><hr /></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="Java-Broker-High-Availability-Security"></a>10.9. Security</h2></div></div></div><p>The replication stream between the master and the replicas is insecure and can be + intercepted by anyone having access to the replication network.</p><p>In order to reduce the security risks the entire HA group is recommended to run in a + separate network protected from general access and/or utilise SSH-tunnels/IPsec.</p></div><div class="navfooter"><hr /><table summary="Navigation footer" width="100%"><tr><td align="left" width="40%"><a accesskey="p" href="Java-Broker-High-Availability-Network-Requirements.html">Prev</a> </td><td align="center" width="20%"><a accesskey="u" href="Java-Broker-High-Availability.html">Up</a></td><td align="right" width="40%"> <a accesskey="n" href="Java-Broker-High-Availability-Backup.html">Next</a></td></tr><tr><td align="left" valign="top" width="40%">10.8. Network Requirements </td><td align="center" width="20%"><a accesskey="h" href="AMQP-Messaging-Broker-Java-Book.html">Home</a></td><td align="right" valign="top" width="40%"> 10.10. Backups</td></tr></table></div></div> + + <hr/> + + <ul id="-apache-navigation"> + <li><a href="http://www.apache.org/";>Apache</a></li> + <li><a href="http://www.apache.org/licenses/";>License</a></li> + <li><a href="http://www.apache.org/foundation/sponsorship.html";>Sponsorship</a></li> + <li><a href="http://www.apache.org/foundation/thanks.html";>Thanks!</a></li> + <li><a href="/security.html">Security</a></li> + <li><a href="http://www.apache.org/";><img id="-apache-feather" width="48" height="14" src="" alt="Apache"/></a></li> + </ul> + + <p id="-legal"> + Apache Qpid, Messaging built on AMQP; 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