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Posted to commits@qpid.apache.org by or...@apache.org on 2018/09/02 21:01:47 UTC
[38/51] [partial] qpid-site git commit: QPID-8237: Update site for
Qpid Java release 6.1.7
http://git-wip-us.apache.org/repos/asf/qpid-site/blob/d1947fd4/content/releases/qpid-java-6.1.7/java-broker/book/Java-Broker-Miscellaneous-Installing-Oracle-BDB-JE.html
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+<!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. The ASF licenses this file
+ - to you under the Apache License, Version 2.0 (the
+ - "License"); you may not use this file except in compliance
+ - with the License. You may obtain a copy of the License at
+ -
+ - http://www.apache.org/licenses/LICENSE-2.0
+ -
+ - Unless required by applicable law or agreed to in writing,
+ - software distributed under the License is distributed on an
+ - "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ - KIND, either express or implied. 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>E.3. Installing Oracle BDB JE - 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>E.3. Installing Oracle BDB JE</li></ul>
+
+ <div id="-middle-content">
+ <div class="docbook"><div class="navheader"><table summary="Navigation header" width="100%"><tr><th align="center" colspan="3">E.3. Installing Oracle BDB JE</th></tr><tr><td align="left" width="20%"><a accesskey="p" href="Java-Broker-Miscellaneous-Installing-External-JDBC-Driver.html">Prev</a> </td><th align="center" width="60%">Appendix E. Miscellaneous</th><td align="right" width="20%"> </td></tr></table><hr /></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="Java-Broker-Miscellaneous-Installing-Oracle-BDB-JE"></a>E.3. Installing Oracle BDB JE</h2></div></div></div><p> The Oracle BDB JE is not distributed with Apache Qpid owing to license considerations.. </p><p>If you wish to use a BDB Virtualhost Node, BDB Virtualhost, or BDB HA Virtualhost Node you
+ must make the BDB JE's JAR available on the Broker's classpath. </p><p> Download the Oracle BDB JE 5.0.104 release <a class="link" href="http://www.oracle.com/technetwork/products/berkeleydb/downloads/index.html?ssSourceSiteId=ocomen" target="_top">from the Oracle website.</a>
+ </p><p> The download has a name in the form je-5.0.104.tar.gz. It is
+ recommended that you confirm the integrity of the download by verifying the MD5. </p><p>Copy the je-5.0.104.jar from within the release into
+ <code class="literal">${QPID_HOME}/lib</code> folder.</p><pre class="programlisting">Unix:
+cp je-5.0.104.jar qpid-broker-6.1.7/lib</pre><pre class="programlisting">Windows:
+copy je-5.0.104.jar qpid-broker-6.1.7\lib</pre></div><div class="navfooter"><hr /><table summary="Navigation footer" width="100%"><tr><td align="left" width="40%"><a accesskey="p" href="Java-Broker-Miscellaneous-Installing-External-JDBC-Driver.html">Prev</a> </td><td align="center" width="20%"><a accesskey="u" href="Java-Broker-Miscellaneous.html">Up</a></td><td align="right" width="40%"> </td></tr><tr><td align="left" valign="top" width="40%">E.2. Installing External JDBC Driver </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%"> </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-Miscellaneous.html
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diff --git a/content/releases/qpid-java-6.1.7/java-broker/book/Java-Broker-Miscellaneous.html b/content/releases/qpid-java-6.1.7/java-broker/book/Java-Broker-Miscellaneous.html
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@@ -0,0 +1,152 @@
+<!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. The ASF licenses this file
+ - to you under the Apache License, Version 2.0 (the
+ - "License"); you may not use this file except in compliance
+ - with the License. You may obtain a copy of the License at
+ -
+ - http://www.apache.org/licenses/LICENSE-2.0
+ -
+ - Unless required by applicable law or agreed to in writing,
+ - software distributed under the License is distributed on an
+ - "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ - KIND, either express or implied. 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>Appendix E. Miscellaneous - 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>Appendix E. Miscellaneous</li></ul>
+
+ <div id="-middle-content">
+ <div class="docbook"><div class="navheader"><table summary="Navigation header" width="100%"><tr><th align="center" colspan="3">Appendix E. Miscellaneous</th></tr><tr><td align="left" width="20%"><a accesskey="p" href="Java-Broker-Appendix-Queue-Alerts.html">Prev</a> </td><th align="center" width="60%"> </th><td align="right" width="20%"> <a accesskey="n" href="Java-Broker-Miscellaneous-Installing-External-JDBC-Driver.html">Next</a></td></tr></table><hr /></div><div class="appendix"><div class="titlepage"><div><div><h1 class="title"><a id="Java-Broker-Miscellaneous"></a>Appendix E. Miscellaneous</h1></div></div></div><div class="toc"><p><strong>Table of Contents</strong></p><dl class="toc"><dt><span class="section"><a href="Java-Broker-Miscellaneous.html#Java-Broker-Miscellaneous-JVM-Verification">E.1. JVM Installation verification</a></span></dt><dd><dl><dt><span class="section"><a href="Java-Broker-Miscellaneous.html#Java-Broker-Miscella
neous-JVM-Verification-Windows">E.1.1. Verify JVM on Windows</a></span></dt><dt><span class="section"><a href="Java-Broker-Miscellaneous.html#Java-Broker-Miscellaneous-JVM-Verification-Unix">E.1.2. Verify JVM on Unix</a></span></dt></dl></dd><dt><span class="section"><a href="Java-Broker-Miscellaneous-Installing-External-JDBC-Driver.html">E.2. Installing External JDBC Driver</a></span></dt><dt><span class="section"><a href="Java-Broker-Miscellaneous-Installing-Oracle-BDB-JE.html">E.3. Installing Oracle BDB JE</a></span></dt></dl></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="Java-Broker-Miscellaneous-JVM-Verification"></a>E.1. JVM Installation verification</h2></div></div></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="Java-Broker-Miscellaneous-JVM-Verification-Windows"></a>E.1.1. Verify JVM on Windows</h3></div></div></div><p> Firstly confirm that the JAVA_HOME environment varia
ble is set correctly by typing the
+ following at the command prompt: </p><pre class="programlisting">echo %JAVA_HOME%</pre><p> If JAVA_HOME is set you will see something similar to the following: </p><pre class="screen">c:"\PROGRA~1"\Java\jdk1.7.0_79\
+ </pre><p> Then confirm that a Java installation (1.7 or higher) is available: </p><pre class="programlisting">java -version</pre><p> If java is available on the path, output similar to the following will be seen: </p><pre class="screen">java version "1.7.0_79"
+Java(TM) SE Runtime Environment (build 1.7.0_79-b15)
+Java HotSpot(TM) 64-Bit Server VM (build 24.79-b02, mixed mode)</pre></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="Java-Broker-Miscellaneous-JVM-Verification-Unix"></a>E.1.2. Verify JVM on Unix</h3></div></div></div><p> Firstly confirm that the JAVA_HOME environment variable is set correctly by typing the
+ following at the command prompt: </p><pre class="programlisting">echo $JAVA_HOME</pre><p> If JAVA_HOME is set you will see something similar to the following: </p><pre class="screen">/usr/java/jdk1.7.0_80
+ </pre><p> Then confirm that a Java installation (1.7 or higher) is available: </p><pre class="programlisting">java -version</pre><p> If java is available on the path, output similar to the following will be seen: </p><pre class="screen">java version "1.7.0_80"
+Java(TM) SE Runtime Environment (build 1.7.0_80-b15)
+Java HotSpot(TM) 64-Bit Server VM (build 24.80-b11, mixed mode)</pre></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-Appendix-Queue-Alerts.html">Prev</a> </td><td align="center" width="20%"> </td><td align="right" width="40%"> <a accesskey="n" href="Java-Broker-Miscellaneous-Installing-External-JDBC-Driver.html">Next</a></td></tr><tr><td align="left" valign="top" width="40%">Appendix D. Queue Alerts </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%"> E.2. Installing External JDBC Driver</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-Runtime-Background-Recovery.html
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@@ -0,0 +1,157 @@
+<!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. The ASF licenses this file
+ - to you under the Apache License, Version 2.0 (the
+ - "License"); you may not use this file except in compliance
+ - with the License. You may obtain a copy of the License at
+ -
+ - http://www.apache.org/licenses/LICENSE-2.0
+ -
+ - Unless required by applicable law or agreed to in writing,
+ - software distributed under the License is distributed on an
+ - "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ - KIND, either express or implied. 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>9.8. Background Recovery - 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>
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+
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+ <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>9.8. Background Recovery</li></ul>
+
+ <div id="-middle-content">
+ <div class="docbook"><div class="navheader"><table summary="Navigation header" width="100%"><tr><th align="center" colspan="3">9.8. Background Recovery</th></tr><tr><td align="left" width="20%"><a accesskey="p" href="Java-Broker-Runtime-Consumers.html">Prev</a> </td><th align="center" width="60%">Chapter 9. Runtime</th><td align="right" width="20%"> <a accesskey="n" href="Java-Broker-Runtime-Message-Compression.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-Runtime-Background-Recovery"></a>9.8. Background Recovery</h2></div></div></div><p>On startup of the Broker, or restart of a Virtualhost, the Broker restores all durable
+ queues and their messages from disk. In the Broker's default mode the Virtualhosts do not become
+ active until this recovery process completes. If queues have a large number of entries, this may
+ take considerable time. During this time no messaging can be performed.</p><p>The Broker has a background recovery feature allows the system to return to operation
+ sooner. If enabled the recovery process takes place in the background allow producers and
+ consumers to begin work earlier.</p><p>The feature respects the message delivery order requirements of standard queues, that is any
+ messages arriving whilst the background recovery is in flight won't overtake older messages
+ still to be recovered from disk. There is an exception for the out of order queue types whilst
+ background recovery is in flight. For instance, with priority queues older lower priority
+ messages may be delivered before newer, higher priority.</p><p>To activate the feature, set a <a class="link" href="Java-Broker-Management-Managing-Entities.html#Java-Broker-Management-Managing-Entities-General" title="7.1. General Description">context variable</a>
+ <code class="literal">use_async_message_store_recovery</code> at the desired Virtualhost, or at Broker or
+ higher to enable the feature broker-wide.</p><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p>The background recovery feature does not write operational log messages to indicate its
+ progress. This means messages <a class="link" href="Java-Broker-Appendix-Operation-Logging.html#Java-Broker-Appendix-Operation-Logging-Message-MST-1004">MST-1004</a> and <a class="link" href="Java-Broker-Appendix-Operation-Logging.html#Java-Broker-Appendix-Operation-Logging-Message-MST-1005">MST-1005</a> will not
+ be seen.</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-Consumers.html">Prev</a> </td><td align="center" width="20%"><a accesskey="u" href="Java-Broker-Runtime.html">Up</a></td><td align="right" width="40%"> <a accesskey="n" href="Java-Broker-Runtime-Message-Compression.html">Next</a></td></tr><tr><td align="left" valign="top" width="40%">9.7. Consumers </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%"> 9.9. Message Compression</td></tr></table></div></div>
+
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+ <ul id="-apache-navigation">
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+ the <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache
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+ Proton, Apache, the Apache feather logo, and the Apache Qpid
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+</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-Runtime-Close-Connection-When-No-Route.html
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@@ -0,0 +1,173 @@
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+
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+
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+ <li><a href="/components/broker-j/index.html">Broker-J</a></li>
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+
+ <div id="-middle-content">
+ <div class="docbook"><div class="navheader"><table summary="Navigation header" width="100%"><tr><th align="center" colspan="3">9.5. Closing client connections on unroutable mandatory messages</th></tr><tr><td align="left" width="20%"><a accesskey="p" href="Java-Broker-Runtime-Handling-Undeliverable-Messages.html">Prev</a> </td><th align="center" width="60%">Chapter 9. Runtime</th><td align="right" width="20%"> <a accesskey="n" href="Java-Broker-Runtime-Flow-To-Disk.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-Runtime-Close-Connection-When-No-Route"></a>9.5. Closing client connections on unroutable mandatory messages</h2></div></div></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="Java-Broker-Runtime-Close-Connection-When-No-Route-Summary"></a>9.5.1. Summary</h3></div></div></div><p>
+ Due to asynchronous nature of AMQP 0-8/0-9/0-9-1 protocols sending a message with a routing key for which no queue binding exist results
+ in either message being bounced back (if it is mandatory or immediate) or discarded on broker side otherwise.
+ </p><p>
+ When a 'mandatory' message is returned back, the Apache Qpid JMS client for AMQP 0-9-1/0-10 conveys this by delivering
+ an <span class="emphasis"><em>AMQNoRouteException</em></span> through the configured ExceptionListener on the Connection.
+ This does not cause channel or connection closure, however it requires a special exception handling
+ on client side in order to deal with <span class="emphasis"><em>AMQNoRouteExceptions</em></span>.
+ This could potentially be a problem when using various messaging frameworks (e.g. Mule)
+ as they usually close the connection on receiving any JMSException.
+ </p><p>
+ In order to simplify application handling of scenarios where 'mandatory' messages
+ are being sent to queues which do not actually exist, the Apache Qpid Broker for Java can be configured such that
+ it will respond to this situation by closing the connection
+ rather than returning the unroutable message to the client as it normally should.
+ From the application perspective, this will result in failure of synchronous operations in progress such as a session commit() call.
+ </p><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p>This feature affects only transacted sessions.</p><p>
+ The Apache Qpid JMS client for AMQP 0-9-1/0-10 sends 'mandatory' messages when using Queue destinations
+ and 'non-mandatory' messages when using Topic destinations.
+ </p></div></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="Java-Broker-Runtime-Close-Connection-When-No-Route-Configuration"></a>9.5.2. Configuring <span class="emphasis"><em>closeWhenNoRoute</em></span></h3></div></div></div><p>
+ The Broker attribute <span class="emphasis"><em>closeWhenNoRoute</em></span> can be set to specify this feature on broker side.
+ By default, it is turned on. Setting <span class="emphasis"><em>closeWhenNoRoute</em></span> to <span class="emphasis"><em>false</em></span> switches it off.
+ </p><p>
+ Setting the <span class="emphasis"><em>closeWhenNoRoute</em></span> in the JMS client connection URL can override the broker configuration
+ on a connection specific basis, for example :
+ </p><div class="example"><a id="d0e6222"></a><p class="title"><strong>Example 9.1. Disable feature to close connection on unroutable messages with client URL</strong></p><div class="example-contents"><pre class="screen">
+amqp://guest:guest@clientid/?brokerlist='tcp://localhost:5672'&closeWhenNoRoute='false'</pre></div></div><br class="example-break" /><p>
+ If no value is specified on the client the broker setting will be used. If client setting is specified then it will take precedence
+ over the broker-wide configuration. If the client specifies and broker does not support this feature the warning will be logged.
+ </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-Handling-Undeliverable-Messages.html">Prev</a> </td><td align="center" width="20%"><a accesskey="u" href="Java-Broker-Runtime.html">Up</a></td><td align="right" width="40%"> <a accesskey="n" href="Java-Broker-Runtime-Flow-To-Disk.html">Next</a></td></tr><tr><td align="left" valign="top" width="40%">9.4. Handing Undeliverable Messages </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%"> 9.6. Flow to Disk</td></tr></table></div></div>
+
+ <hr/>
+
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+
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+ 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>
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+</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-Runtime-Connection-Limit.html
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@@ -0,0 +1,167 @@
+<!DOCTYPE html>
+<!--
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+ - "License"); you may not use this file except in compliance
+ - with the License. You may obtain a copy of the License at
+ -
+ - http://www.apache.org/licenses/LICENSE-2.0
+ -
+ - Unless required by applicable law or agreed to in writing,
+ - software distributed under the License is distributed on an
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+ - specific language governing permissions and limitations
+ - under the License.
+ -
+-->
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
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+ <title>9.10. Connection Limits - Apache Qpid™</title>
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+ <li><a href="/components/messaging-api/index.html">Qpid Messaging API</a></li>
+ </ul>
+ </section>
+
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+ <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>
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+
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+
+ <div id="-middle-content">
+ <div class="docbook"><div class="navheader"><table summary="Navigation header" width="100%"><tr><th align="center" colspan="3">9.10. Connection Limits</th></tr><tr><td align="left" width="20%"><a accesskey="p" href="Java-Broker-Runtime-Message-Compression.html">Prev</a> </td><th align="center" width="60%">Chapter 9. Runtime</th><td align="right" width="20%"> <a accesskey="n" href="Java-Broker-Runtime-Memory.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-Runtime-Connection-Limit"></a>9.10. Connection Limits</h2></div></div></div><p>
+ Each connection to the Broker consumes resources while it is connected. In order to protect
+ the Broker against malfunctioning (or malicious) client processes, it is possible to limit the
+ number of connections that can be active on any given port.
+ </p><p>
+ Connection limits on AMQP ports are controlled by an attribute "maxOpenConnections" on
+ the port. By default this takes the value of the context variable
+ <code class="literal">qpid.port.max_open_connections</code> which in itself is defaulted to the
+ value <code class="literal">-1</code> meaning there is no limit.
+ </p><p>
+ If the interpolated value of <code class="literal">maxOpenConnections</code> on an AMQP port is a
+ positive integer, then when that many active connections have been established no new
+ connections will be allowed (until an existing connection has been closed). Any such
+ rejection of a connection will be accompanied by the operational log message
+ <a class="link" href="Java-Broker-Appendix-Operation-Logging.html#Java-Broker-Appendix-Operation-Logging-Message-PRT-1005">PRT-1005</a>.
+ </p><p>
+ The context variable <code class="literal">qpid.port.open_connections_warn_percent</code> can be
+ used to control when a warning log message is generated as the number of open connections
+ approaches the limit for the port. The default value of this variable is
+ <code class="literal">80</code> meaning that if more the number of open connections to the port
+ has exceeded 80% of the given limit then the operatinal log message
+ <a class="link" href="Java-Broker-Appendix-Operation-Logging.html#Java-Broker-Appendix-Operation-Logging-Message-PRT-1004">PRT-1004</a>
+ will be generated.
+ </p></div><div class="navfooter"><hr /><table summary="Navigation footer" width="100%"><tr><td align="left" width="40%"><a accesskey="p" href="Java-Broker-Runtime-Message-Compression.html">Prev</a> </td><td align="center" width="20%"><a accesskey="u" href="Java-Broker-Runtime.html">Up</a></td><td align="right" width="40%"> <a accesskey="n" href="Java-Broker-Runtime-Memory.html">Next</a></td></tr><tr><td align="left" valign="top" width="40%">9.9. Message Compression </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%"> 9.11. Memory</td></tr></table></div></div>
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+
+ <div id="-middle-content">
+ <div class="docbook"><div class="navheader"><table summary="Navigation header" width="100%"><tr><th align="center" colspan="3">9.7. Consumers</th></tr><tr><td align="left" width="20%"><a accesskey="p" href="Java-Broker-Runtime-Flow-To-Disk.html">Prev</a> </td><th align="center" width="60%">Chapter 9. Runtime</th><td align="right" width="20%"> <a accesskey="n" href="Java-Broker-Runtime-Background-Recovery.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-Runtime-Consumers"></a>9.7. Consumers</h2></div></div></div><p>A Consumer is created when an AMQP connection wishes to receive messages from a message source (such as a
+ Queue). The standard behaviours of consumers are defined by the respective AMQP specification, however in addition
+ to the standard behaviours a number of Qpid specific enhancements are available</p><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="Java-Broker-Runtime-Consumers-Prioirty"></a>9.7.1. Priority</h3></div></div></div><p>By default, when there are multiple competing consumers attached to the same message source, the Broker
+ attempts to distribute messages from the queue in a "fair" manner. Some use cases require allocation of messages
+ to consumers to be based on the "priority" of the consumer. Where there are multiple consumers having differing
+ priorities, the Broker will always attempt to deliver a message to a higher priority consumer before attempting
+ delivery to a lower priority consumer. That is, a lower priority consumer will only receive a message if no
+ higher priority consumers currently have credit available to consume the message, or those consumers have declined
+ to accept the message (for instance because it does not meet the criteria of any selectors associated with the
+ consumer).</p><p>Where a consumer is created with no explicit priority provided, the consumer is given the highest possible
+ priority.</p><div class="section"><div class="titlepage"><div><div><h4 class="title"><a id="d0e6265"></a>9.7.1.1. Creating a Consumer with a non-standard priority</h4></div></div></div><p>
+ In AMQP 0-9 and 0-9-1 the priority of the consumer can be set by adding an entry into the table provided as the
+ <code class="literal">arguments</code> field (known as the <code class="literal">filter</code> field on AMQP 0-9) of the
+ <code class="literal">basic.consume</code> method. The key for the entry must be the literal short string
+ <code class="literal">x-priority</code>, and the value of the entry must be an integral number in the range
+ -2<sup>31</sup> to 2<sup>31</sup>-1.
+ </p><p>
+ In AMQP 0-10 the priority of the consumer can be set in the map provided as the <code class="literal">arguments</code>
+ field of the <code class="literal">message.subscribe</code> method. The key for the entry must be the literal string
+ <code class="literal">x-priority</code>, and the value of the entry must be an integral number in the range
+ -2<sup>31</sup> to 2<sup>31</sup>-1.
+ </p><p>
+ In AMQP 1.0 the priority of the consumer is set in the <code class="literal">properties</code> map of the
+ <code class="literal">attach</code> frame where the broker side of the link represents the sending side of the link.
+ The key for the entry must be the literal string <code class="literal">priority</code>, and the value of the entry must
+ be an integral number in the range -2<sup>31</sup> to 2<sup>31</sup>-1.
+ </p><p>
+ When using the Qpid JMS client for AMQP 0-9/0-9-1/0-10 the consumer priority can be set in the address being
+ used for the Destination object.
+
+ </p><div class="table"><a id="d0e6324"></a><p class="title"><strong>Table 9.1. Setting the consumer priority</strong></p><div class="table-contents"><table border="1" summary="Setting the consumer priority"><colgroup><col /><col /></colgroup><thead><tr><th>Syntax</th><th>Example</th></tr></thead><tbody><tr><td>Addressing</td><td>myqueue : { link : { x-subscribe: { arguments : { x-priority : '10' } } } }</td></tr><tr><td>Binding URL</td><td>direct://amq.direct/myqueue/myqueue?x-qpid-replay-priority='10'</td></tr></tbody></table></div></div><p><br class="table-break" />
+ </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-Runtime-Flow-To-Disk.html">Prev</a> </td><td align="center" width="20%"><a accesskey="u" href="Java-Broker-Runtime.html">Up</a></td><td align="right" width="40%"> <a accesskey="n" href="Java-Broker-Runtime-Background-Recovery.html">Next</a></td></tr><tr><td align="left" valign="top" width="40%">9.6. Flow to Disk </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%"> 9.8. Background Recovery</td></tr></table></div></div>
+
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+ 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
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@@ -0,0 +1,239 @@
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+
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+ <li><a href="/components/broker-j/index.html">Broker-J</a></li>
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+
+ <div id="-middle-content">
+ <div class="docbook"><div class="navheader"><table summary="Navigation header" width="100%"><tr><th align="center" colspan="3">9.2. Disk Space Management</th></tr><tr><td align="left" width="20%"><a accesskey="p" href="Java-Broker-Runtime.html">Prev</a> </td><th align="center" width="60%">Chapter 9. Runtime</th><td align="right" width="20%"> <a accesskey="n" href="Java-Broker-Runtime-Producer-Transaction-Timeout.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-Runtime-Disk-Space-Management"></a>9.2. Disk Space Management</h2></div></div></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="Qpid-Producer-Flow-Control"></a>9.2.1. Producer Flow Control</h3></div></div></div><div class="section"><div class="titlepage"><div><div><h4 class="title"><a id="Java-Broker-Runtime-Disk-Space-Management-Producer-Flow-
Control-GeneralInformation"></a>9.2.1.1. General Information</h4></div></div></div><p>
+ The Apache Qpid Broker for Java supports a flow control mechanism to which can be used to prevent either a single queue
+ or a virtualhost exceeding configured limits. These two mechanisms are described
+ next.
+ </p></div><div class="section"><div class="titlepage"><div><div><h4 class="title"><a id="Java-Broker-Runtime-Disk-Space-Management-Producer-Flow-Control-ServerConfiguration"></a>9.2.1.2. Server Configuration</h4></div></div></div><div class="section"><div class="titlepage"><div><div><h5 class="title"><a id="d0e5917"></a>Configuring a Queue to use flow control</h5></div></div></div><p>
+ Flow control is enabled on a producer when it sends a message to a Queue
+ which is "overfull". The producer flow control will be rescinded when all
+ Queues on which a producer is blocking become "underfull". A Queue is defined
+ as overfull when the size (in bytes) of the messages on the queue exceeds the
+ <span class="emphasis"><em>capacity</em></span> of the Queue. A Queue becomes "underfull" when its
+ size becomes less than the <span class="emphasis"><em>resume capacity</em></span>.
+ </p><p>
+ The capacity and resume capacity can be specified when the queue is created. This
+ can be done using the Flow Control Settings within the Queue creation dialogue.
+ </p><div class="section"><div class="titlepage"><div><div><h6 class="title"><a id="d0e5930"></a>Broker Log Messages</h6></div></div></div><p>
+ There are four Broker log messages that may occur if flow control through queue capacity limits is enabled.
+ Firstly, when a capacity limited queue becomes overfull, a log message similar to the following is produced
+ </p><pre class="programlisting">
+MESSAGE [vh(/test)/qu(MyQueue)] [vh(/test)/qu(MyQueue)] QUE-1003 : Overfull : Size : 1,200 bytes, Capacity : 1,000
+ </pre><p>Then for each channel which becomes blocked upon the overful queue a log message similar to the following is produced:</p><pre class="programlisting">
+MESSAGE [con:2(guest@anonymous(713889609)/test)/ch:1] [con:2(guest@anonymous(713889609)/test)/ch:1] CHN-1005 : Flow Control Enforced (Queue MyQueue)
+ </pre><p>When enough messages have been consumed from the queue that it becomes underfull, then the following log is generated: </p><pre class="programlisting">
+MESSAGE [vh(/test)/qu(MyQueue)] [vh(/test)/qu(MyQueue)] QUE-1004 : Underfull : Size : 600 bytes, Resume Capacity : 800
+ </pre><p>And for every channel which becomes unblocked you will see a message similar to: </p><pre class="programlisting">
+MESSAGE [con:2(guest@anonymous(713889609)/test)/ch:1] [con:2(guest@anonymous(713889609)/test)/ch:1] CHN-1006 : Flow Control Removed
+ </pre><p>Obviously the details of connection, virtual host, queue, size, capacity, etc would depend on the configuration in use.</p></div></div><div class="section"><div class="titlepage"><div><div><h5 class="title"><a id="d0e5953"></a>Disk quota-based flow control</h5></div></div></div><p>
+ Flow control can also be triggered when a configured disk quota is exceeded. This is supported by the BDB and
+ Derby virtualhosts.
+ </p><p>
+ This functionality blocks all producers on reaching the disk overflow limit. When consumers
+ consume the messages, causing disk space usage to falls below the underflow limit, the
+ producers are unblocked and continue working as normal.
+ </p><p>
+ Two limits can be configured:
+ </p><p>
+ overfull limit - the maximum space on disk (in bytes).
+ </p><p>
+ underfull limit - when the space on disk drops below this limit, producers are allowed to resume publishing.
+ </p><p>
+ The overfull and underful limit can be specified when a new virtualhost is created or an exiting
+ virtualhost is edited. This can be done using the Store Overflow and Store Underfull settings
+ within the virtual host creation and edit dialogue. If editing an existing virtualhost, the virtualhost
+ must be restarted for the new values to take effect.
+ </p><p>
+ The disk quota functionality is based on "best effort" principle. This means the broker
+ cannot guarantee that the disk space limit will not be exceeded. If several concurrent
+ transactions are started before the limit is reached, which collectively cause the limit
+ to be exceeded, the broker may allow all of them to be committed.
+ </p><p>
+ The Broker will also impose flow control if the filesystem hosting a virtualhost
+ exceeds a <a class="link" href="Java-Broker-Management-Managing-Broker.html#Java-Broker-Management-Managing-Broker-Context-StoreFilesystemMaxUsagePercent">
+ configured percentage.</a>.
+ </p><div class="section"><div class="titlepage"><div><div><h6 class="title"><a id="d0e5975"></a>Broker Log Messages for quota flow control</h6></div></div></div><p>
+ There are two broker log messages that may occur if flow control through disk quota limits is enabled.
+ When the virtual host is blocked due to exceeding of the disk quota limit the following message
+ appears in the broker log
+ </p><pre class="programlisting">
+[vh(/test)/ms(BDBMessageStore)] MST-1008 : Store overfull, flow control will be enforced
+ </pre><p>
+ When virtual host is unblocked after cleaning the disk space the following message appears in the broker log
+ </p><pre class="programlisting">
+[vh(/test)/ms(BDBMessageStore)] MST-1009 : Store overfull condition cleared
+ </pre><p>
+ </p></div></div></div><div class="section"><div class="titlepage"><div><div><h4 class="title"><a id="Java-Broker-Runtime-Disk-Space-Management-Producer-Flow-Control-ClientImpact"></a>9.2.1.3. Client impact and configuration</h4></div></div></div><p>
+ If a producer sends to a queue which is overfull, the broker will respond by
+ instructing the client not to send any more messages. The impact of this is
+ that any future attempts to send will block until the broker rescinds the flow control order.
+ </p><p>
+ While blocking the client will periodically log the fact that it is blocked waiting on flow control.
+ </p><pre class="programlisting">
+WARN Message send delayed by 5s due to broker enforced flow control
+WARN Message send delayed by 10s due to broker enforced flow control
+ </pre><p>
+ After a set period the send will timeout and throw a JMSException to the calling code.
+ </p><p>
+ If such a JMSException is thrown, the message will not be sent to the broker,
+ however the underlying Session may still be active - in particular if the
+ Session is transactional then the current transaction will not be automatically
+ rolled back. Users may choose to either attempt to resend the message, or to
+ roll back any transactional work and close the Session.
+ </p><p>
+ Both the timeout delay and the periodicity of the warning messages can be set
+ using Java system properties.
+ </p><p>
+ The amount of time (in milliseconds) to wait before timing out
+ is controlled by the property qpid.flow_control_wait_failure.
+ </p><p>
+ The frequency at which the log message informing that the producer is flow
+ controlled is sent is controlled by the system property qpid.flow_control_wait_notify_period.
+ </p><p>
+ Adding the following to the command line to start the client would result in a timeout of one minute,
+ with warning messages every ten seconds:
+ </p><pre class="programlisting">
+-Dqpid.flow_control_wait_failure=60000
+-Dqpid.flow_control_wait_notify_period=10000
+ </pre></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-Runtime.html">Prev</a> </td><td align="center" width="20%"><a accesskey="u" href="Java-Broker-Runtime.html">Up</a></td><td align="right" width="40%"> <a accesskey="n" href="Java-Broker-Runtime-Producer-Transaction-Timeout.html">Next</a></td></tr><tr><td align="left" valign="top" width="40%">Chapter 9. Runtime </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%"> 9.3. Producer Transaction Timeout</td></tr></table></div></div>
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