Tag: Spark
All the articles with the tag "Spark".
-
Hiding Personal Information in AWS Glue with Spark
Protecting personal data before analytics consumption is a core requirement in modern data platforms. In AWS-based lake architectures, this is typically achieved through data de-identification during
-
Managing Evolving Schemas in Apache Spark: A Strategic Approach
Schema management is one of the most overlooked yet critical aspects of building reliable data pipelines. In a fast-moving environment, schemas rarely remain static: new fields are added, data types
-
Debugging Spark DataFrame .show() Timeouts in PyCharm and VSCode
When working with PySpark , one of the first commands developers use to quickly inspect data is: raw_df.show() However, in certain environments (especially when running inside PyCharm or VSCode with a
-
Fixing Spark Ivy Error in Docker: "basedir must be absolute"
If you're running Apache Spark inside Docker using Bitnami's images and suddenly encounter an Ivy error that says: Exception in thread "main" java.lang.IllegalArgumentException: basedir must be
-
How Spark and MapReduce Handle Partial Records in HDFS
When working with large-scale data processing frameworks like Apache Spark or Hadoop MapReduce, one common question arises: What happens when a record (e.g., a line of text or a JSON object) is split
-
Understanding .master() in Apache Spark
In Apache Spark, the .master() method is used to specify how your application will run, either on your local machine or on a cluster. Choosing the correct option is essential depending on your
-
Running PySpark on Google Colab: Do You Still Need findspark?
Introduction For a long time, using Apache Spark in Google Colab required manual setup, including installing Spark and configuring Python to recognize it. This was often done using the findspark
-
Matei Zaharia - Spark: The Definitive Guide - Architecture of a Spark Application
The Architecture of a Spark Application The Spark driver The driver is the process “in the driver seat” of your Spark Application. It is the controller of the execution of a Spark Application and