docs/_docs/code-snippets/xml/data-regions-configuration.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
  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.
-->
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:util="http://www.springframework.org/schema/util" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="         http://www.springframework.org/schema/beans         http://www.springframework.org/schema/beans/spring-beans.xsd         http://www.springframework.org/schema/util         http://www.springframework.org/schema/util/spring-util.xsd">
    <!-- tag::ignite-config[] -->
    <bean class="org.apache.ignite.configuration.IgniteConfiguration" id="ignite.cfg">
        <property name="dataStorageConfiguration">
            <bean class="org.apache.ignite.configuration.DataStorageConfiguration">
                <!-- tag::default[] -->
                <!--
                Default memory region that grows endlessly. Any cache will be bound to this memory region
                unless another region is set in the cache's configuration.
                -->
                <property name="defaultDataRegionConfiguration">
                    <bean class="org.apache.ignite.configuration.DataRegionConfiguration">
                        <property name="name" value="Default_Region"/>
                        <!-- 100 MB memory region with disabled eviction. -->
                        <property name="initialSize" value="#{100 * 1024 * 1024}"/>
                    </bean>
                </property>
                <!-- end::default[] -->
                <!-- tag::data-region[] -->
                <property name="dataRegionConfigurations">
                    <list>
                        <!--
                        40MB memory region with eviction enabled.
                        -->
                        <bean class="org.apache.ignite.configuration.DataRegionConfiguration">
                            <property name="name" value="40MB_Region_Eviction"/>
                            <!-- Memory region of 20 MB initial size. -->
                            <property name="initialSize" value="#{20 * 1024 * 1024}"/>
                            <!-- Maximum size is 40 MB. -->
                            <property name="maxSize" value="#{40 * 1024 * 1024}"/>
                            <!-- Enabling eviction for this memory region. -->
                            <property name="pageEvictionMode" value="RANDOM_2_LRU"/>
                        </bean>
                    </list>
                </property>
                <!-- end::data-region[] -->
            </bean>
        </property>
        <!-- tag::caches[] -->
        <property name="cacheConfiguration">
            <list>
                <!-- Cache that is mapped to a specific data region. -->
                <bean class="org.apache.ignite.configuration.CacheConfiguration">

                    <property name="name" value="SampleCache"/>
                    <!--
                    Assigning the cache to the `40MB_Region_Eviction` region.
                    -->
                    <property name="dataRegionName" value="40MB_Region_Eviction"/>
                </bean>
            </list>
        </property>
        <!-- end::caches[] -->
        <!-- other properties -->
        <!-- tag::discovery[] -->
        <!-- Explicitly configure TCP discovery SPI to provide list of initial nodes. -->
        <property name="discoverySpi">
            <bean class="org.apache.ignite.spi.discovery.tcp.TcpDiscoverySpi">
                <property name="ipFinder">
                    <bean class="org.apache.ignite.spi.discovery.tcp.ipfinder.vm.TcpDiscoveryVmIpFinder">
                        <property name="addresses">
                            <list>
                                <value>127.0.0.1:47500..47509</value>
                            </list>
                        </property>
                    </bean>
                </property>
            </bean>
        </property>
        <!-- end::discovery[] -->
    </bean>
    <!-- end::ignite-config[] -->
</beans>