Apache Parquet is a columnar storage format for Hadoop.
I know we can load parquet file using Spark SQL and using Impala but wondering if we can do the …
hadoop hive apache-spark-sql hiveql parquetI am trying to save a DataFrame to HDFS in Parquet format using DataFrameWriter, partitioned by three column values, like …
apache-spark spark-dataframe partitioning parquetI looking for ways to read data from multiple partitioned directories from s3 using python. data_folder/serial_number=1/cur_…
python parquet pyarrow fastparquet python-s3fsI am trying to convert a .csv file to a .parquet file. The csv file (Temp.csv) has the following …
python csv parquetI need to read parquet files from multiple paths that are not parent or child directories. for example, dir1 --- | …
pyspark parquetIs there a way to create parquet files from java? I have data in memory (java classes) and I want …
java parquetCurrently we are using Avro data format in production. Out of several good points using Avro, we know that it …
apache-spark hadoop data-warehouse avro parquetIn spark, what is the best way to control file size of the output file. For example, in log4j, …
apache-spark parquetI have a DataFrame generated as follows: df.groupBy($"Hour", $"Category") .agg(sum($"value").alias("TotalValue")) .sort($"Hour".asc,$"TotalValue".…
scala apache-spark apache-spark-sql spark-dataframe parquetI'd like to process Apache Parquet files (in my case, generated in Spark) in the R programming language. Is an …
r apache-spark parquet sparkr