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New posts in apache-spark-sql

Why join in spark in local mode is so slow?

apache-spark pyspark apache-spark-sql spark-dataframe

Aggregate sparse vector in PySpark

apache-spark pyspark apache-spark-sql apache-spark-ml

JSON Struct to Map[String,String] using sqlContext

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pyspark corr for each group in DF (more than 5K columns)

python-3.x apache-spark dataframe pyspark apache-spark-sql

Is there a data architecture for efficient joins in Spark (a la RedShift)?

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How to use correlation in Spark with Dataframes?

python apache-spark pyspark apache-spark-sql correlation

How to fix 'DataFrame' object has no attribute 'coalesce'?

python apache-spark dataframe pyspark apache-spark-sql

Spark Streaming Exception: java.util.NoSuchElementException: None.get

apache-spark hadoop apache-kafka apache-spark-sql spark-streaming

SparkSQL - accesing nested structures Row( field1, field2=Row(..))

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Spark-submit Sql Context Create Statement does not work

scala apache-spark spark-streaming apache-spark-sql

pyspark: "too many values" error after repartitioning

python apache-spark apache-spark-sql pyspark rdd

Defining DateType conversion for DataFrame schema in Spark

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Why would one use DataFrame.select over DataFrame.rdd.map (or vice versa)?

performance apache-spark dataframe apache-spark-sql rdd

FIRST() or LAST() Aggregate Function in HIVE

mysql apache-spark hive apache-spark-sql spark-dataframe

Spark-SQL Joining two dataframes/ datasets with same column name

java apache-spark apache-spark-sql apache-spark-dataset

How to compose column name using another column's value for withColumn in Scala Spark

scala apache-spark apache-spark-sql

Adding a column of rowsums across a list of columns in Spark Dataframe

scala apache-spark dataframe apache-spark-sql

PySpark: Take average of a column after using filter function

python apache-spark pyspark apache-spark-sql

Can we load Parquet file into Hive directly?

hadoop hive apache-spark-sql hiveql parquet

How to avoid shuffles while joining DataFrames on unique keys?

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