Unable to save file as snappy after gzip


Dear All,
while solving aruns blog.I faced one problem . I want to save dataframe as gzip and snappy.I have written following code.

  1. sqlContext.setConf(“spark.sql.parquet.compression.codec”,“gzip”)

  2. sqlContext.setConf(“spark.sql.parquet.compression.codec”,“uncompressed”)

  3. sqlContext.setConf(“spark.sql.parquet.compression.codec”,“snappy”)

after first step result show gz.parquet files as expected but after step 3 also it shows same gz.parquet files ,Even I uncompressed it still it is not showing snappy .Please help

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