Difference Between Spark Worker vs Executor
Difference Between Spark Worker vs Executor - As a data engineer with several years of…
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January 12, 2024
Spark Select Max Row Per Group in DataFrame
In Spark, you can select the maximum (max) row per group in the DataFrame by…
January 8, 2024
What Java & Scala Versions are Supported by Spark 3.5.0
Apache Spark 3.5.0 support and compatibility with different Java and Scala versions evolve with new…
January 6, 2024
Create Java DataFrame in Spark
To create a Java DataFrame, you'll need to use the SparkSession, which is the entry…
October 25, 2023
Create Java RDD from List Collection
Let's explore how to create a Java RDD object from List Collection using the JavaSparkContext.parallelize()…
October 24, 2023
Apache Spark 3.5.0 Most Important Features
Apache Spark 3.5.0 was released by addressing 1,300 issues which includes several significant features and…
October 20, 2023
Spark How to Avoid Duplicate Columns After Join
How to avoid duplicate columns on Spark DataFrame after joining? Apache Spark is a distributed…
August 31, 2023
Spark Large vs Small Parquet Files
Is it better to have in Spark one large parquet file vs lots of smaller…
May 5, 2023
Spark createOrReplaceTempView() vs registerTempTable()
In Apache Spark, both createOrReplaceTempView() and registerTempTable() methods can be used to register a DataFrame…
May 4, 2023
Spark registerTempTable() with Examples
Spark registerTempTable() is a method in Apache Spark's DataFrame API that allows you to register…
May 4, 2023
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