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| <div class="docbook"><div class="navheader"><table summary="Navigation header" width="100%"><tr><th align="center" colspan="3">7.2. Broker</th></tr><tr><td align="left" width="20%"><a accesskey="p" href="Java-Broker-Management-Managing-Entities.html">Prev</a> </td><th align="center" width="60%">Chapter 7. Managing Entities</th><td align="right" width="20%"> <a accesskey="n" href="Java-Broker-Management-Managing-Virtualhost-Nodes.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-Management-Managing-Broker"></a>7.2. Broker</h2></div></div></div><p>The <a class="link" href="Java-Broker-Concepts-Broker.html" title="4.2. Broker">Broker</a> is the principal entity. It is |
| composed of a number of other entities that collaborate to provide message broker |
| facilities.</p><p>The Broker can only be managed via the HTTP management channel.</p><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="Java-Broker-Management-Managing-Broker-Attributes"></a>7.2.1. Attributes</h3></div></div></div><p> |
| </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p><span class="emphasis"><em>Name the Broker</em></span>. This helps distinguish between Brokers in |
| environments that have many.</p></li><li class="listitem"><p><span class="emphasis"><em>Confidential configuration encryption provider</em></span>. The name of the |
| provider used to encrypt passwords and other secrets within the configuration. See <a class="xref" href="Java-Broker-Security-Configuration-Encryption.html" title="8.4. Configuration Encryption">Section 8.4, “Configuration Encryption”</a>.</p></li></ul></div><p> |
| </p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="Java-Broker-Management-Managing-Broker-Context"></a>7.2.2. Context</h3></div></div></div><p> |
| </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p><span class="emphasis"><em>broker.flowToDiskThreshold</em></span> Controls the <a class="link" href="Java-Broker-Runtime-Flow-To-Disk.html" title="9.6. Flow to Disk">flow to disk</a> feature.</p></li><li class="listitem"><p><span class="emphasis"><em>broker.messageCompressionEnabled</em></span> Controls the <a class="link" href="Java-Broker-Runtime-Message-Compression.html" title="9.9. Message Compression">message compression</a> .</p></li><li class="listitem"><p><a id="Java-Broker-Management-Managing-Broker-Context-StoreFilesystemMaxUsagePercent"></a><span class="emphasis"><em>store.filesystem.maxUsagePercent</em></span> Maximum percentage of space |
| that may be utilised on a filesystem hosting a virtualhost's message store before |
| producer flow control is automatically imposed.</p><p>This defaults to 90%.</p></li><li class="listitem"><p><a id="Java-Broker-Management-Managing-Broker-Context-BrokerDefaultSupportedProtocolVersionReply"></a><span class="emphasis"><em>qpid.broker_default_supported_protocol_version_reply</em></span> Used |
| during protocol negotiation. If set, the Broker will offer this AMQP version to a client |
| requesting an AMQP protocol that is not supported by the Broker. If not set, the Broker |
| offers the highest protocol version it supports. </p></li><li class="listitem"><p> |
| <span class="emphasis"><em>qpid.broker_msg_auth</em></span> If set true, the Broker ensures that the user |
| id of each received message matches the user id of the producing connection. If this |
| check fails, the message is returned to the producer's connection with a 403 (Access |
| Refused) error code.</p><p>This value can be overridden for each Virtual Host by setting the context value on the Virtual Host or |
| Virtual Host Node. |
| </p><p>Defaults to false.</p></li></ul></div><p> |
| </p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="Java-Broker-Management-Managing-Broker-Children"></a>7.2.3. Children</h3></div></div></div><p> |
| </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p> |
| <a class="link" href="Java-Broker-Management-Managing-Virtualhost-Nodes.html" title="7.3. Virtualhost Nodes">Virtualhost |
| nodes</a> |
| </p></li><li class="listitem"><p> |
| <a class="link" href="Java-Broker-Management-Managing-Ports.html" title="7.9. Ports">Ports</a> |
| </p></li><li class="listitem"><p>Authentication Providers</p></li><li class="listitem"><p>Key Stores / Trust Stores</p></li><li class="listitem"><p>Group Providers</p></li><li class="listitem"><p>Access Control Providers</p></li></ul></div><p> |
| </p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="Java-Broker-Management-Managing-Broker-Lifecycle"></a>7.2.4. Lifecycle</h3></div></div></div><p>Not supported</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-Management-Managing-Entities.html">Prev</a> </td><td align="center" width="20%"><a accesskey="u" href="Java-Broker-Management-Managing-Entities.html">Up</a></td><td align="right" width="40%"> <a accesskey="n" href="Java-Broker-Management-Managing-Virtualhost-Nodes.html">Next</a></td></tr><tr><td align="left" valign="top" width="40%">Chapter 7. Managing Entities </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%"> 7.3. Virtualhost Nodes</td></tr></table></div></div> |
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