Reduce RAM buffer to not run many sequential segment flushes when closing the IndexWriter.

Author: jpountz

src/main/perf/IndexGeoNames.java

@@ -73,7 +73,7 @@ public static void main(String[] args) throws Exception {
     //iwc.setRAMBufferSizeMB(350);
     iwc.setInfoStream(new PrintStreamInfoStream(System.out));
     if (normal == false) {
-      iwc.setRAMBufferSizeMB(1024);
+      iwc.setRAMBufferSizeMB(128);
       iwc.setMergePolicy(NoMergePolicy.INSTANCE);
       //iwc.setMergePolicy(NoMergePolicy.NO_COMPOUND_FILES);
     } else {