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New posts in apache-spark

Apache Spark: map vs mapPartitions?

performance scala apache-spark rdd

How to store custom objects in Dataset?

scala apache-spark apache-spark-dataset apache-spark-encoders

Concatenate columns in Apache Spark DataFrame

sql apache-spark dataframe apache-spark-sql

How are stages split into tasks in Spark?

apache-spark

Spark - load CSV file as DataFrame?

scala apache-spark hadoop apache-spark-sql hdfs

How to sort by column in descending order in Spark SQL?

scala apache-spark apache-spark-sql

How to turn off INFO logging in Spark?

python scala apache-spark hadoop pyspark

How do I add a new column to a Spark DataFrame (using PySpark)?

python apache-spark dataframe pyspark apache-spark-sql

How can I change column types in Spark SQL's DataFrame?

scala apache-spark apache-spark-sql

How to add a constant column in a Spark DataFrame?

python apache-spark dataframe pyspark apache-spark-sql

How to select the first row of each group?

sql scala apache-spark dataframe apache-spark-sql

How to read multiple text files into a single RDD?

apache-spark

Add jars to a Spark Job - spark-submit

java scala apache-spark jar spark-submit

(Why) do we need to call cache or persist on a RDD

scala apache-spark rdd

Spark performance for Scala vs Python

scala performance apache-spark pyspark rdd

How to stop INFO messages displaying on spark console?

apache-spark log4j spark-submit

Apache Spark: The number of cores vs. the number of executors

hadoop apache-spark hadoop-yarn

What is the difference between cache and persist?

apache-spark distributed-computing rdd

Task not serializable: java.io.NotSerializableException when calling function outside closure only on classes not objects

scala apache-spark serialization

Spark java.lang.OutOfMemoryError: Java heap space

out-of-memory apache-spark
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