[SPARK-26306][TEST][BUILD] More memory to de-flake SorterSuite

## What changes were proposed in this pull request?

Increase test memory to avoid OOM in TimSort-related tests.

## How was this patch tested?

Existing tests.

Closes apache#23425 from srowen/SPARK-26306.

Authored-by: Sean Owen <[email protected]>
Signed-off-by: Sean Owen <[email protected]>

Author: srowen

pom.xml

@@ -2115,7 +2115,7 @@
               <include>**/*Suite.java</include>
             </includes>
             <reportsDirectory>${project.build.directory}/surefire-reports</reportsDirectory>
-            <argLine>-ea -Xmx3g -Xss4m -XX:ReservedCodeCacheSize=${CodeCacheSize}</argLine>
+            <argLine>-ea -Xmx4g -Xss4m -XX:ReservedCodeCacheSize=${CodeCacheSize}</argLine>
             <environmentVariables>
               <!--
                 Setting SPARK_DIST_CLASSPATH is a simple way to make sure any child processes
@@ -2165,7 +2165,7 @@
             <reportsDirectory>${project.build.directory}/surefire-reports</reportsDirectory>
             <junitxml>.</junitxml>
             <filereports>SparkTestSuite.txt</filereports>
-            <argLine>-ea -Xmx3g -Xss4m -XX:ReservedCodeCacheSize=${CodeCacheSize}</argLine>
+            <argLine>-ea -Xmx4g -Xss4m -XX:ReservedCodeCacheSize=${CodeCacheSize}</argLine>
             <stderr/>
             <environmentVariables>
               <!--

project/SparkBuild.scala

@@ -888,7 +888,7 @@ object TestSettings {
     javaOptions in Test ++= System.getProperties.asScala.filter(_._1.startsWith("spark"))
       .map { case (k,v) => s"-D$k=$v" }.toSeq,
     javaOptions in Test += "-ea",
-    javaOptions in Test ++= "-Xmx3g -Xss4m"
+    javaOptions in Test ++= "-Xmx4g -Xss4m"
       .split(" ").toSeq,
     javaOptions += "-Xmx3g",
     // Exclude tags defined in a system property

resource-managers/kubernetes/integration-tests/pom.xml

@@ -135,7 +135,7 @@
           <reportsDirectory>${project.build.directory}/surefire-reports</reportsDirectory>
           <junitxml>.</junitxml>
           <filereports>SparkTestSuite.txt</filereports>
-          <argLine>-ea -Xmx3g -XX:ReservedCodeCacheSize=512m ${extraScalaTestArgs}</argLine>
+          <argLine>-ea -Xmx4g -XX:ReservedCodeCacheSize=512m ${extraScalaTestArgs}</argLine>
           <stderr/>
           <systemProperties>
             <log4j.configuration>file:src/test/resources/log4j.properties</log4j.configuration>

sql/hive/pom.xml

@@ -229,7 +229,7 @@
         <artifactId>scalatest-maven-plugin</artifactId>
         <configuration>
           <!-- Specially disable assertions since some Hive tests fail them -->
-          <argLine>-da -Xmx3g -XX:ReservedCodeCacheSize=${CodeCacheSize}</argLine>
+          <argLine>-da -Xmx4g -XX:ReservedCodeCacheSize=${CodeCacheSize}</argLine>
         </configuration>
       </plugin>
       <plugin>