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New posts in apache-spark
Why is huge data shuffling in Spark when using union()/coalesce(1,false) on DataFrame?
Oct 20, 2025
apache-spark
apache-spark-sql
rdd
shuffle
Find columns that are exact duplicates (i.e., that contain duplicate values across all rows) in PySpark dataframe
Oct 19, 2025
dataframe
apache-spark
pyspark
Evaluate formulas in Spark DataFrame
Oct 19, 2025
scala
dataframe
apache-spark
Explanation about Executor Summary in Spark Web UI
Oct 19, 2025
apache-spark
pyspark
spark-webui
Pyspark - Join with null values in right dataset
Oct 19, 2025
dataframe
apache-spark
pyspark
apache-spark-sql
When to use "sbt assembly" and "sbt compile && sbt package"?
Oct 18, 2025
scala
apache-spark
sbt
PySpark: How to apply UDF to multiple columns to create multiple new columns?
Oct 18, 2025
python
apache-spark
pyspark
databricks
how to use pyspark to read orc file
Oct 19, 2025
apache-spark
pyspark
apache-spark-sql
Spark Encoders: when to use beans()
Oct 19, 2025
java
apache-spark
memory-management
apache-spark-dataset
apache-spark-encoders
spark - Calculating average of values in 2 or more columns and putting in new column in every row [duplicate]
Oct 18, 2025
apache-spark
pyspark
apache-spark-sql
What is the difference between Apache Spark and Apache Arrow?
Oct 17, 2025
hadoop
apache-spark
apache-arrow
bigdata
NoClassDefFoundError raised when reading Minio data using PySpark
Oct 18, 2025
java
apache-spark
hadoop
pyspark
minio
'KMeansModel' object has no attribute 'computeCost' in apache pyspark
Oct 19, 2025
python
apache-spark
pyspark
cluster-analysis
k-means
Spark: Replace missing values with values from another column
Oct 19, 2025
apache-spark
pyspark
apache-spark-sql
What is the best practice to install IsolationForest in DataBrick platform for PySpark API?
Oct 18, 2025
python
apache-spark
pyspark
databricks
azure-databricks
Spark Scala : Check if string isn't null or empty
Oct 18, 2025
scala
apache-spark
three-valued-logic
Read/Write Parquet with Struct column type
Oct 18, 2025
apache-spark
pyspark
apache-spark-sql
pyarrow
fastparquet
Writing CSV file using Spark and scala - empty quotes instead of Null values
Oct 18, 2025
scala
csv
apache-spark
how to understand each part of the name of a parquet file
Oct 18, 2025
apache-spark
parquet
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