IGNITE-21223 Add xml example in WAL Records Compression section of Ig…

…nite documentation (apache#11289)

docs/_docs/code-snippets/xml/wal-compress.xml

@@ -0,0 +1,35 @@
+<?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">
+				<!-- WAL page compression parameters -->
+				<property name="walPageCompression" value="LZ4"/>
+				<property name="walPageCompressionLevel" value="8"/>
+				<property name="defaultDataRegionConfiguration">
+					<bean class="org.apache.ignite.configuration.DataRegionConfiguration">
+						<property name="persistenceEnabled" value="true"/>
+					</bean>
+				</property>
+			</bean>
+		</property>
+	</bean>
+	<!-- end::ignite-config[] -->
+</beans>

docs/_docs/persistence/native-persistence.adoc

@@ -298,6 +298,10 @@ To enable it, set the compression algorithm and compression level in the data st
 [tabs]
 --
 tab:XML[]
+[source, xml]
+----
+include::code-snippets/xml/wal-compress.xml[tags=ignite-config,indent=0]
+----
 
 tab:Java[]
 [source, java]