For Livy Spark session, 32KB is the max length allowed for one page

Signed-off-by: Wei Zhang <[email protected]>

Author: wezhang

Utils/hdinsight-node-common/src/com/microsoft/azure/hdinsight/sdk/io/spark/ClusterFileBase64BufferedOutputStream.java

@@ -32,7 +32,7 @@
 import java.nio.ByteBuffer;
 
 public class ClusterFileBase64BufferedOutputStream extends OutputStream {
-    private static final int DEFAULT_BLOCK_SIZE_KB = 64;      // 64KB block size
+    private static final int DEFAULT_BLOCK_SIZE_KB = 32;      // 32KB block size
 
     @NotNull
     private final Session session;