avro compression using snappy and deflate

[snikhil0]

I must be doing something wrong: I am writing out avro files with three
options:
a. no codec
b. deflate codec
c. snappy codec

I am measuring size of final avro file. In my observation, the snappy file
is larger than the original avro file? duh?

code snippet:
                        File fs = new File("$DATA/log_snappy.avro");
                        DatumWriter writer = new GenericDatumWriter(
                                        schema);
                        dataFileWriter = new DataFileWriter(writer);
                        dataFileWriter.setCodec(CodecFactory.snappyCodec());
                        dataFileWriter.create(schema, fs);
                        while(...){
                            GenericRecord datum = //get datum from object
                            dataFileWriter.append(datum);
                            dataFileWriter.flush();
                        }

Thanks,
Nikhil

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