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New posts in apache-spark

How to create a Spark UDF in Java / Kotlin which returns a complex type?

java apache-spark kotlin user-defined-functions

How to do conditional "withColumn" in a Spark dataframe?

scala apache-spark apache-spark-sql

Updating column value in loop in spark

scala apache-spark

If data fits on a single machine does it make sense to use Spark?

scala parallel-processing apache-spark

Apache Spark - working with 2 RDDs: complement of RDDs

apache-spark

Spark toDebugString not nice in python

python scala apache-spark

Why Hadoop or Spark? There is ElasticSearch

hadoop elasticsearch apache-spark

Submit & Kill Spark Application program programmatically from another application

apache-spark

Access key from mapValues or flatMapValues?

scala apache-spark

How to execute .sql file in spark using python

python apache-spark apache-spark-sql pyspark

Duplicate columns in Spark Dataframe

r csv hadoop apache-spark sparkr

How can I return an empty (null?) item back from a map method in PySpark?

python apache-spark pyspark rdd

how to get the column names and their datatypes of parquet file using pyspark?

apache-spark pyspark

Spark not using spark.sql.parquet.compression.codec

apache-spark

Set driver's memory size programmatically in PySpark

python apache-spark pyspark

Write spark dataframe to postgres Database

postgresql apache-spark dataframe apache-spark-sql

Pyspark RDD .filter() with wildcard

python apache-spark rdd

Read from BigQuery into Spark in efficient way?

apache-spark google-bigquery google-cloud-dataproc google-hadoop

Can I read multiple files into a Spark Dataframe from S3, passing over nonexistent ones?

python apache-spark pyspark apache-spark-sql pyspark-sql

How to concatenate multiple columns into single column (with no prior knowledge on their number)?

scala apache-spark apache-spark-sql
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