[SPARK-8776] Increase the default MaxPermSize

I am increasing the perm gen size to 256m.

https://issues.apache.org/jira/browse/SPARK-8776

Author: Yin Huai <[email protected]>

Closes #7196 from yhuai/SPARK-8776 and squashes the following commits:

60901b4 [Yin Huai] Fix test.
d44b713 [Yin Huai] Make sparkShell and hiveConsole use 256m PermGen size.
30aaf8e [Yin Huai] Increase the default PermGen size to 256m.

Author: yhuai

launcher/src/main/java/org/apache/spark/launcher/AbstractCommandBuilder.java

@@ -136,7 +136,7 @@ void addPermGenSizeOpt(List<String> cmd) {
       }
     }
 
-    cmd.add("-XX:MaxPermSize=128m");
+    cmd.add("-XX:MaxPermSize=256m");
   }
 
   void addOptionString(List<String> cmd, String options) {

launcher/src/test/java/org/apache/spark/launcher/SparkSubmitCommandBuilderSuite.java

@@ -194,7 +194,7 @@ private void testCmdBuilder(boolean isDriver) throws Exception {
         if (isDriver) {
           assertEquals("-XX:MaxPermSize=256m", arg);
         } else {
-          assertEquals("-XX:MaxPermSize=128m", arg);
+          assertEquals("-XX:MaxPermSize=256m", arg);
         }
       }
     }

project/SparkBuild.scala

@@ -206,7 +206,7 @@ object SparkBuild extends PomBuild {
     fork := true,
     outputStrategy in run := Some (StdoutOutput),
 
-    javaOptions ++= Seq("-Xmx2G", "-XX:MaxPermSize=1g"),
+    javaOptions ++= Seq("-Xmx2G", "-XX:MaxPermSize=256m"),
 
     sparkShell := {
       (runMain in Compile).toTask(" org.apache.spark.repl.Main -usejavacp").value
@@ -299,7 +299,7 @@ object SQL {
 object Hive {
 
   lazy val settings = Seq(
-    javaOptions += "-XX:MaxPermSize=1g",
+    javaOptions += "-XX:MaxPermSize=256m",
     // Specially disable assertions since some Hive tests fail them
     javaOptions in Test := (javaOptions in Test).value.filterNot(_ == "-ea"),
     // Multiple queries rely on the TestHive singleton. See comments there for more details.