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New posts in apache-spark-sql

Reshape Spark DataFrame from Long to Wide On Large Data Sets

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You need to build Spark before running this program error when running bin/pyspark

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How to connect spark-shell to Mesos?

apache-spark apache-spark-sql mesos mesosphere

Iterating/looping over Spark parquet files in a script results in memory error/build-up (using Spark SQL queries)

loops apache-spark pyspark apache-spark-sql pyspark-sql

Scala Spark - creating nested json output from simple dataframe

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How to query on data frame where 1 field of StringType has json value in Spark SQL

json scala apache-spark apache-spark-sql

Spark ML Pipeline Causes java.lang.Exception: failed to compile ... Code ... grows beyond 64 KB

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Transforming one column into multiple ones in a Spark Dataframe

scala apache-spark dataframe hadoop apache-spark-sql

Why join in spark in local mode is so slow?

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Aggregate sparse vector in PySpark

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JSON Struct to Map[String,String] using sqlContext

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

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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

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What are the mandatory options for loading Excel file?

excel scala apache-spark apache-spark-sql spark-excel

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

scala apache-spark 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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