Make sparkShell and hiveConsole use 256m PermGen size.

Author: yhuai

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.