DataFrame dataframe =
                hiveContext.createDataFrame(rowData, schema);
dataframe.write().format("orc").options(new HashMap(){
            {

                put("orc.compress","SNAPPY");
                put("hive.exec.orc.default.compress","SNAPPY");

                put("orc.compress.size","524288");
                put("hive.exec.orc.default.buffer.size","524288");


                put("hive.exec.orc.compression.strategy", "COMPRESSION");

            }
        }).save("spark_orc_output");

Compression: ZLIB
Compression size: 262144