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| <a href="/docs/latest/services/services" class='' >Using Ignite Services</a> |
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| <a href="/docs/latest/messaging" class='' >Using Ignite Messaging</a> |
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| <article data-swiftype-index='true'> |
| <a class='edit-link' href="https://github.com/apache/ignite/tree/IGNITE-7595/docs/_docs/understanding-configuration.adoc" target="_blank">Edit</a> |
| |
| <h1>Understanding Configuration</h1> |
| |
| <div id="preamble"> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>This chapter explains different ways of setting configuration parameters in an Ignite cluster. The chapter covers the most |
| ubiquitous approaches for Java and C++ applications.</p> |
| </div> |
| <div class="admonitionblock note"> |
| <table> |
| <tr> |
| <td class="icon"> |
| <div class="title">Note</div> |
| </td> |
| <td class="content"> |
| <h3 id="configuring-net-python-node-js-and-other-programming-languages" class="discrete">Configuring .NET, Python, Node.JS and other programming languages</h3> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>.NET developers: refer to the <a href="/docs/latest/net-specific/net-configuration-options">Ignite.NET Configuration</a> section</p> |
| </li> |
| <li> |
| <p>Developers of Python, Node.JS, and other programming languages: use this page to configure your |
| Java-powered Ignite cluster and <a href="/docs/latest/thin-clients/getting-started-with-thin-clients">thin clients</a> section to set up |
| your language-specific applications that will be working with the cluster.</p> |
| </li> |
| </ul> |
| </div> |
| </td> |
| </tr> |
| </table> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="overview">Overview</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>You can specify custom configuration parameters by providing an instance of the <a href="https://ignite.apache.org/releases/2.9.0/javadoc/org/apache/ignite/configuration/IgniteConfiguration.html" target="_blank" rel="noopener">IgniteConfiguration</a> class to Ignite when starting the node. |
| You can set the parameters either programmatically or via an XML configuration file. |
| These 2 ways are fully interchangeable.</p> |
| </div> |
| <div class="paragraph"> |
| <p>The XML configuration file is a Spring Bean definition file that must contain the <code>IgniteConfiguration</code> bean. |
| When starting a node from the command line, pass the configuration file as a parameter to the <code>ignite.sh|bat</code> script, as follows:</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="rouge highlight"><code data-lang="shell">ignite.sh ignite-config.xml</code></pre> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p>If you don’t specify a configuration file, the default file <code>{IGNITE_HOME}/config/default-config.xml</code> is used.</p> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="spring-xml-configuration">Spring XML Configuration</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>To create a configuration in a Spring XML format, you need to define the |
| <code>IgniteConfiguration</code> bean and set the parameters that you want to be different from the default. For detailed information on how to use XML Schema-based configuration, see the |
| <a href="https://docs.spring.io/spring/docs/4.2.x/spring-framework-reference/html/xsd-configuration.html">official |
| Spring documentation</a>.</p> |
| </div> |
| <div class="paragraph"> |
| <p>In the example below, we create an <code>IgniteConfiguration</code> bean, set the <code>workDirectory</code> property, and configure a <a href="/docs/latest/data-modeling/data-partitioning#partitioned">partitioned cache</a>.</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="rouge highlight"><code data-lang="xml"><span class="cp"><?xml version="1.0" encoding="UTF-8"?></span> |
| |
| <span class="nt"><beans</span> <span class="na">xmlns=</span><span class="s">"http://www.springframework.org/schema/beans"</span> |
| <span class="na">xmlns:xsi=</span><span class="s">"http://www.w3.org/2001/XMLSchema-instance"</span> |
| <span class="na">xsi:schemaLocation=</span><span class="s">" |
| http://www.springframework.org/schema/beans |
| http://www.springframework.org/schema/beans/spring-beans.xsd"</span><span class="nt">></span> |
| |
| <span class="nt"><bean</span> <span class="na">class=</span><span class="s">"org.apache.ignite.configuration.IgniteConfiguration"</span><span class="nt">></span> |
| <span class="nt"><property</span> <span class="na">name=</span><span class="s">"workDirectory"</span> <span class="na">value=</span><span class="s">"/path/to/work/directory"</span><span class="nt">/></span> |
| |
| <span class="nt"><property</span> <span class="na">name=</span><span class="s">"cacheConfiguration"</span><span class="nt">></span> |
| <span class="nt"><bean</span> <span class="na">class=</span><span class="s">"org.apache.ignite.configuration.CacheConfiguration"</span><span class="nt">></span> |
| <span class="c"><!-- Set the cache name. --></span> |
| <span class="nt"><property</span> <span class="na">name=</span><span class="s">"name"</span> <span class="na">value=</span><span class="s">"myCache"</span><span class="nt">/></span> |
| <span class="c"><!-- Set the cache mode. --></span> |
| <span class="nt"><property</span> <span class="na">name=</span><span class="s">"cacheMode"</span> <span class="na">value=</span><span class="s">"PARTITIONED"</span><span class="nt">/></span> |
| <span class="c"><!-- Other cache parameters. --></span> |
| <span class="nt"></bean></span> |
| <span class="nt"></property></span> |
| <span class="nt"></bean></span> |
| <span class="nt"></beans></span></code></pre> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="programmatic-configuration">Programmatic Configuration</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>Create an instance of the <code>IgniteConfiguration</code> class and set the required |
| parameters, as shown in the example below.</p> |
| </div> |
| <code-tabs><code-tab data-tab='Java'><div class="listingblock"> |
| <div class="content"> |
| <pre class="rouge highlight"><code data-lang="java"><span class="nc">IgniteConfiguration</span> <span class="n">igniteCfg</span> <span class="o">=</span> <span class="k">new</span> <span class="nc">IgniteConfiguration</span><span class="o">();</span> |
| <span class="c1">//setting a work directory</span> |
| <span class="n">igniteCfg</span><span class="o">.</span><span class="na">setWorkDirectory</span><span class="o">(</span><span class="s">"/path/to/work/directory"</span><span class="o">);</span> |
| |
| <span class="c1">//defining a partitioned cache</span> |
| <span class="nc">CacheConfiguration</span> <span class="n">cacheCfg</span> <span class="o">=</span> <span class="k">new</span> <span class="nc">CacheConfiguration</span><span class="o">(</span><span class="s">"myCache"</span><span class="o">);</span> |
| <span class="n">cacheCfg</span><span class="o">.</span><span class="na">setCacheMode</span><span class="o">(</span><span class="nc">CacheMode</span><span class="o">.</span><span class="na">PARTITIONED</span><span class="o">);</span> |
| |
| <span class="n">igniteCfg</span><span class="o">.</span><span class="na">setCacheConfiguration</span><span class="o">(</span><span class="n">cacheCfg</span><span class="o">);</span></code></pre> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p>See the <a href="https://ignite.apache.org/releases/2.9.0/javadoc/org/apache/ignite/configuration/IgniteConfiguration.html" target="_blank" rel="noopener">IgniteConfiguration</a> javadoc for the complete list of parameters.</p> |
| </div></code-tab><code-tab data-tab='C#/.NET'><div class="listingblock"> |
| <div class="content"> |
| <pre class="rouge highlight"><code data-lang="csharp"><span class="kt">var</span> <span class="n">igniteCfg</span> <span class="p">=</span> <span class="k">new</span> <span class="n">IgniteConfiguration</span> |
| <span class="p">{</span> |
| <span class="n">WorkDirectory</span> <span class="p">=</span> <span class="s">"/path/to/work/directory"</span><span class="p">,</span> |
| <span class="n">CacheConfiguration</span> <span class="p">=</span> <span class="k">new</span><span class="p">[]</span> |
| <span class="p">{</span> |
| <span class="k">new</span> <span class="n">CacheConfiguration</span> |
| <span class="p">{</span> |
| <span class="n">Name</span> <span class="p">=</span> <span class="s">"myCache"</span><span class="p">,</span> |
| <span class="n">CacheMode</span> <span class="p">=</span> <span class="n">CacheMode</span><span class="p">.</span><span class="n">Partitioned</span> |
| <span class="p">}</span> |
| <span class="p">}</span> |
| <span class="p">};</span></code></pre> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p>See the <a href="https://ignite.apache.org/releases/2.9.0/dotnetdoc/api/Apache.Ignite.Core.IgniteConfiguration.html" target="_blank" rel="noopener">API docs</a> for details.</p> |
| </div></code-tab><code-tab data-tab='C++'><div class="listingblock"> |
| <div class="content"> |
| <pre class="rouge highlight"><code data-lang="cpp"><span class="n">IgniteConfiguration</span> <span class="n">cfg</span><span class="p">;</span> |
| |
| <span class="n">cfg</span><span class="p">.</span><span class="n">igniteHome</span> <span class="o">=</span> <span class="s">"/path/to/work/directory"</span><span class="p">;</span></code></pre> |
| </div> |
| </div></code-tab></code-tabs> |
| </div> |
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