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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="Apache-Qpid-Broker-J-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/89f345d6/content/releases/qpid-broker-j-7.0.6/book/Java-Broker-High-Availability-OverviewOfHA.html ---------------------------------------------------------------------- diff --git a/content/releases/qpid-broker-j-7.0.6/book/Java-Broker-High-Availability-OverviewOfHA.html b/content/releases/qpid-broker-j-7.0.6/book/Java-Broker-High-Availability-OverviewOfHA.html new file mode 100644 index 0000000..b686e5a --- /dev/null +++ b/content/releases/qpid-broker-j-7.0.6/book/Java-Broker-High-Availability-OverviewOfHA.html @@ -0,0 +1,168 @@ +<!DOCTYPE html> +<!-- + - + - Licensed to the Apache Software Foundation (ASF) under one + - or more contributor license agreements. See the NOTICE file + - distributed with this work for additional information + - regarding copyright ownership. 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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-broker-j-7.0.6/index.html">Qpid Broker-J 7.0.6</a></li><li><a href="/releases/qpid-broker-j-7.0.6/book/index.html">Apache Qpid Broker-J</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.d0e6432" id="d0e6432"><sup class="footnote">[11]</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 the Apache Qpid JMS and Apache Qpid JMS AMQP 0-x clients), + 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.</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-J is incompatible with the HA solution offered by the CPP + Broker. It is not possible to co-locate Qpid Broker-J 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.d0e6432"><p><a class="para" href="#d0e6432"><sup class="para">[11] </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="Apache-Qpid-Broker-J-Book.html">Ho me</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/89f345d6/content/releases/qpid-broker-j-7.0.6/book/Java-Broker-High-Availability-Reset-Group-Infomational.html ---------------------------------------------------------------------- diff --git a/content/releases/qpid-broker-j-7.0.6/book/Java-Broker-High-Availability-Reset-Group-Infomational.html b/content/releases/qpid-broker-j-7.0.6/book/Java-Broker-High-Availability-Reset-Group-Infomational.html new file mode 100644 index 0000000..77a5153 --- /dev/null +++ b/content/releases/qpid-broker-j-7.0.6/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="d0e6956"></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-7.4.5.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="Apache-Qpid-Broker-J-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/89f345d6/content/releases/qpid-broker-j-7.0.6/book/Java-Broker-High-Availability-Security.html ---------------------------------------------------------------------- diff --git a/content/releases/qpid-broker-j-7.0.6/book/Java-Broker-High-Availability-Security.html b/content/releases/qpid-broker-j-7.0.6/book/Java-Broker-High-Availability-Security.html new file mode 100644 index 0000000..e2030f6 --- /dev/null +++ b/content/releases/qpid-broker-j-7.0.6/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-broker-j-7.0.6/index.html">Qpid Broker-J 7.0.6</a></li><li><a href="/releases/qpid-broker-j-7.0.6/book/index.html">Apache Qpid Broker-J</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="Apache-Qpid-Broker-J-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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General Introduction</a></span></dt><dt><span class="section"><a href="Java-Broker-High-Availability-OverviewOfHA.html">10.2. High Availab ility Overview</a></span></dt><dt><span class="section"><a href="Java-Broker-High-Availability-CreatingGroup.html">10.3. Creating a group</a></span></dt><dt><span class="section"><a href="Java-Broker-High-Availability-Behaviour.html">10.4. Behaviour of the Group</a></span></dt><dd><dl><dt><span class="section"><a href="Java-Broker-High-Availability-Behaviour.html#Java-Broker-High-Availability-Behaviour-Default-Behaviour">10.4.1. Default Behaviour</a></span></dt><dt><span class="section"><a href="Java-Broker-High-Availability-Behaviour.html#Java-Broker-High-Availability-Behaviour-SynchronizationPolicy">10.4.2. Synchronization Policy</a></span></dt><dt><span class="section"><a href="Java-Broker-High-Availability-Behaviour.html#Java-Broker-High-Availability-Behaviour-NodePriority">10.4.3. Node Priority</a></span></dt><dt><span class="section"><a href="Java-Broker-High-Availability-Behaviour.html#Java-Broker-High-Availability-Behaviour-MinimumNumberOfNodes">10.4.4. Required Minimum Numb er Of Nodes</a></span></dt><dt><span class="section"><a href="Java-Broker-High-Availability-Behaviour.html#Java-Broker-High-Availability-Behaviour-DesignatedPrimary">10.4.5. Allow to Operate Solo</a></span></dt><dt><span class="section"><a href="Java-Broker-High-Availability-Behaviour.html#Java-Broker-High-Availability-Behaviour-MaximumMessageSize">10.4.6. Maximum message size</a></span></dt></dl></dd><dt><span class="section"><a href="Java-Broker-High-Availability-NodeOperations.html">10.5. Node Operations</a></span></dt><dd><dl><dt><span class="section"><a href="Java-Broker-High-Availability-NodeOperations.html#Java-Broker-High-Availability-NodeOperations-Lifecycle">10.5.1. Lifecycle</a></span></dt><dt><span class="section"><a href="Java-Broker-High-Availability-NodeOperations.html#Java-Broker-High-Availability-NodeOperations-TransferMaster">10.5.2. Transfer Master</a></span></dt></dl></dd><dt><span class="section"><a href="Java-Broker-High-Availability-ClientFailover.html">10.6. Client failover</a></span></dt><dt><span class="section"><a href="Java-Broker-High-Availability-DiskSpace.html">10.7. Disk space requirements</a></span></dt><dt><span class="section"><a href="Java-Broker-High-Availability-Network-Requirements.html">10.8. Network Requirements</a></span></dt><dt><span class="section"><a href="Java-Broker-High-Availability-Security.html">10.9. Security</a></span></dt><dt><span class="section"><a href="Java-Broker-High-Availability-Backup.html">10.10. Backups</a></span></dt><dt><span class="section"><a href="Java-Broker-High-Availability-Reset-Group-Infomational.html">10.11. Reset Group Information</a></span></dt></dl></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="Java-Broker-High-Availability-GeneralIntroduction"></a>10.1. General Introduction</h2></div></div></div><p>The term High Availability (HA) usually refers to having a number of instances of a + service such as a Message Broker available so that should a service unexpectedly fail, or + requires to be shutdown for maintenance, users may quickly connect to another instance and + continue their work with minimal interruption. HA is one way to make a overall system more + resilient by eliminating a single point of failure from a system.</p><p>HA offerings are usually categorised as <span class="bold"><strong>Active/Active</strong></span> or + <span class="bold"><strong>Active/Passive</strong></span>. An Active/Active system is one where all + nodes within the group are usually available for use by clients all of the time. In an + Active/Passive system, one only node within the group is available for use by clients at any + one time, whilst the others are in some kind of standby state, awaiting to quickly step-in in + the event the active node becomes unavailable. </p></div></div><div class="navfooter"><hr /><table summary="Navigation footer" width="100%"><tr><td align="left" width="40%"><a accesskey="p" href="Java-Broker-Runtime-Memory.html">Prev</a> </td><td align="center" width="20%"> </td><td align="right" width="40%"> <a accesskey="n" href="Java-Broker-High-Availability-OverviewOfHA.html">Next</a></td></tr><tr><td align="left" valign="top" width="40%">9.11. Memory </td><td align="center" width="20%"><a accesskey="h" href="Apache-Qpid-Broker-J-Book.html">Home</a></td><td align="right" valign="top" width="40%"> 10.2. High Availability Overview</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/89f345d6/content/releases/qpid-broker-j-7.0.6/book/Java-Broker-Initial-Configuration-Configuration-Properties.html ---------------------------------------------------------------------- diff --git a/content/releases/qpid-broker-j-7.0.6/book/Java-Broker-Initial-Configuration-Configuration-Properties.html b/content/releases/qpid-broker-j-7.0.6/book/Java-Broker-Initial-Configuration-Configuration-Properties.html new file mode 100644 index 0000000..13e8fb3 --- /dev/null +++ b/content/releases/qpid-broker-j-7.0.6/book/Java-Broker-Initial-Configuration-Configuration-Properties.html @@ -0,0 +1,167 @@ +<!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>5.6. Customising Configuration using Configuration Properties - 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-broker-j-7.0.6/index.html">Qpid Broker-J 7.0.6</a></li><li><a href="/releases/qpid-broker-j-7.0.6/book/index.html">Apache Qpid Broker-J</a></li><li>5.6. Customising Configuration using Configuration Properties</li></ul> + + <div id="-middle-content"> + <div class="docbook"><div class="navheader"><table summary="Navigation header" width="100%"><tr><th align="center" colspan="3">5.6. Customising Configuration using Configuration Properties</th></tr><tr><td align="left" width="20%"><a accesskey="p" href="Java-Broker-Initial-Configuration-Type.html">Prev</a> </td><th align="center" width="60%">Chapter 5. Initial Configuration</th><td align="right" width="20%"> <a accesskey="n" href="Java-Broker-Initial-Configuration-Example.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-Initial-Configuration-Configuration-Properties"></a>5.6. Customising Configuration using Configuration Properties</h2></div></div></div><p> It is possible for 'Initial Configuration' (and Configuration Store) files to contain + ${properties} that can be resolved to String values at startup, allowing a degree of + customisation using a fixed file. Configuration Property values can be set either via + Java System Properties, or by specifying ConfigurationProperties on the broker command + line. If both are defined, System Property values take precedence. </p><p> The broker has the following set of core configuration properties, with the indicated + default values if not otherwise configured by the user: </p><div class="table"><a id="d0e1606"></a><p class="title"><strong>Table 5.1. Base Configuration Properties</strong></p><div class="table-contents"><table border="1" summary="Base Configuration Properties"><colgroup><col /><col /><col /></colgroup><thead><tr><th> Name </th><th> Description </th><th> Value </th></tr></thead><tbody><tr><td> qpid.amqp_port </td><td> Port number used for the brokers default AMQP messaging port </td><td> "5672" </td></tr><tr><td> qpid.http_port </td><td> Port number used for the brokers default HTTP management port </td><td> "8080" </td></tr><tr><td> qpid.home_dir </td><td> Location of the broker installation directory, which contains + the 'lib' directory and the 'etc' directory often used to store + files such as group and ACL files. </td><td> Defaults to the value set into the QPID_HOME system property if + it is set, or remains unset otherwise unless configured by the user. + </td></tr><tr><td> qpid.work_dir </td><td> Location of the broker working directory, which might contain + the persistent message store and broker configuration store files. </td><td> Defaults to the value set into the QPID_WORK system property if + it is set, or the 'work' subdirectory of the JVMs current working + directory. </td></tr></tbody></table></div></div><p><br class="table-break" /> + </p><p> Use of these core properties can be seen in the <a class="link" href="Java-Broker-Initial-Configuration-Example.html" title="5.7. Example of JSON 'Initial Configuration'">default 'Initial Configuration' example</a>. </p><p> Configuration Properties can be set on the command line using the + <span class="emphasis"><em>-prop</em></span> (or <span class="emphasis"><em>--configuration-property</em></span>) + command line argument: </p><pre class="screen"> +$ ./qpid-server -prop "qpid.amqp_port=10000" -prop "qpid.http_port=10001" + </pre><p> In the example above, property used to set the port number of the default AMQP port + is specified with the value 10000, overriding the default value of 5672, and similarly + the value 10001 is used to override the default HTTP port number of 8080. When using the + 'Initial Configuration' to initialise a new Configuration Store (either at first broker + startup, when requesting to <a class="link" href="Java-Broker-Initial-Configuration-Location.html" title="5.2. Configuration Store Location">overwrite the configuration store</a>) these new values will be used for the + port numbers instead. </p><p> NOTE: When running the broker on Windows and starting it via the qpid-server.bat + file, the "name=value" argument MUST be quoted. </p></div><div class="navfooter"><hr /><table summary="Navigation footer" width="100%"><tr><td align="left" width="40%"><a accesskey="p" href="Java-Broker-Initial-Configuration-Type.html">Prev</a> </td><td align="center" width="20%"><a accesskey="u" href="Java-Broker-Initial-Configuration.html">Up</a></td><td align="right" width="40%"> <a accesskey="n" href="Java-Broker-Initial-Configuration-Example.html">Next</a></td></tr><tr><td align="left" valign="top" width="40%">5.5. Configuration Store Type </td><td align="center" width="20%"><a accesskey="h" href="Apache-Qpid-Broker-J-Book.html">Home</a></td><td align="right" valign="top" width="40%"> 5.7. Example of JSON 'Initial Configuration'</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/89f345d6/content/releases/qpid-broker-j-7.0.6/book/Java-Broker-Initial-Configuration-Create-Initial-Config.html ---------------------------------------------------------------------- diff --git a/content/releases/qpid-broker-j-7.0.6/book/Java-Broker-Initial-Configuration-Create-Initial-Config.html b/content/releases/qpid-broker-j-7.0.6/book/Java-Broker-Initial-Configuration-Create-Initial-Config.html new file mode 100644 index 0000000..c2977da --- /dev/null +++ b/content/releases/qpid-broker-j-7.0.6/book/Java-Broker-Initial-Configuration-Create-Initial-Config.html @@ -0,0 +1,159 @@ +<!DOCTYPE html> +<!-- + - + - Licensed to the Apache Software Foundation (ASF) under one + - or more contributor license agreements. 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If the option is used without + providing a path, a file called <span class="emphasis"><em>initial-config.json</em></span> will be created + in the current directory, or alternatively the file can be created at a specified + location: </p><pre class="screen"> +$ ./qpid-server -cic ./initial-config.json + </pre><p> The 'Initial Configuration' JSON file shares a common format with the brokers JSON + Configuration Store implementation, so it is possible to use a Broker's Configuration + Store output as an initial configuration. Typically 'Initial Configuration' files would + not to contain IDs for the configured entities, so that IDs will be generated when the + configuration store is initialised and prevent use of the same IDs across multiple + brokers, however it may prove useful to include IDs if using the Memory <a class="link" href="Java-Broker-Initial-Configuration-Type.html" title="5.5. Configuration Store Type">Configuration Store Type</a>. </p><p> It can be useful to use <a class="link" href="Java-Broker-Initial-Configuration-Configuration-Properties.html" title="5.6. Customising Configuration using Configuration Properties">Configuration + Properties</a> within 'Initial Configuration' files to allow a degree of + customisation with an otherwise fixed file. </p><p> For an example file, see <a class="xref" href="Java-Broker-Initial-Configuration-Example.html" title="5.7. Example of JSON 'Initial Configuration'">Section 5.7, “Example of JSON 'Initial Configuration'”</a> + </p></div><div class="navfooter"><hr /><table summary="Navigation footer" width="100%"><tr><td align="left" width="40%"><a accesskey="p" href="Java-Broker-Initial-Configuration-Initial-Config-Location.html">Prev</a> </td><td align="center" width="20%"><a accesskey="u" href="Java-Broker-Initial-Configuration.html">Up</a></td><td align="right" width="40%"> <a accesskey="n" href="Java-Broker-Initial-Configuration-Type.html">Next</a></td></tr><tr><td align="left" valign="top" width="40%">5.3. 'Initial Configuration' Location </td><td align="center" width="20%"><a accesskey="h" href="Apache-Qpid-Broker-J-Book.html">Home</a></td><td align="right" valign="top" width="40%"> 5.5. Configuration Store Type</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> --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@qpid.apache.org For additional commands, e-mail: commits-h...@qpid.apache.org
