Set the amount of memory used by the benchmark

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/csv/trunk@1658398 13f79535-47bb-0310-9956-ffa450edef68

Author: ebourg

src/test/java/org/apache/commons/csv/CSVBenchmark.java

@@ -38,7 +38,7 @@
 import org.supercsv.prefs.CsvPreference;
 
 @BenchmarkMode(Mode.AverageTime)
-@Fork(value = 1, jvmArgs = "-server")
+@Fork(value = 1, jvmArgs = {"-server", "-Xms128M", "-Xmx128M"})
 @Threads(1)
 @Warmup(iterations = 5)
 @Measurement(iterations = 20)