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New posts in apache-spark

Spark Is there any rule of thumb about the optimal number of partition of a RDD and its number of elements?

apache-spark apache-spark-sql partitioning

Spark sql top n per group

apache-spark group-by apache-spark-sql top-n

org.apache.thrift.transport.TTransportException error while Reading large JSON file in zeppelin scala

json scala apache-spark apache-zeppelin

How to split column of vectors into two columns?

apache-spark pyspark apache-spark-ml

Running steps of EMR in parallel

web-services amazon-web-services apache-spark amazon-emr

How Spark handle data larger than cluster memory

apache-spark

Dropping nested column of Dataframe with PySpark

apache-spark dataframe pyspark struct schema

Best practice to create SparkSession object in Scala to use both in unittest and spark-submit

scala apache-spark spark-submit

Add months to date column in Spark dataframe

python apache-spark pyspark apache-spark-sql

What does "pre-built for Apache Hadoop 2.7 and later" mean?

apache-spark

How can I obtain the DAG of an Apache Spark job without running it?

scala apache-spark

Why is no map function for dataframe in pyspark while the spark equivalent has it?

apache-spark pyspark

How to set spark.driver.memory for Spark/Zeppelin on EMR

apache-spark emr amazon-emr apache-zeppelin

Is there a way to validate the syntax of raw spark sql query?

scala apache-spark

java.lang.UnsupportedOperationExceptionfieldIndex on a Row without schema is undefined: Exception on row.getAs[String]

scala apache-spark

How to select multiple columns of dataset, given a list of column names?

java apache-spark apache-spark-sql

Spark decimal type precision loss

scala apache-spark apache-spark-sql

Comparison of a `float` to `np.nan` in Spark Dataframe

python numpy apache-spark pyspark nan

How do I get a spark dataframe to print it's explain plan to a string

scala apache-spark dataframe

How to find the max String length of a column in Spark using dataframe?

scala apache-spark apache-spark-sql
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