What is the primary challenge in unit testing Hadoop applications that involve HDFS?
- Data Locality
- Handling Large Datasets
- Lack of Mocking Frameworks
- Replicating HDFS Environment
The primary challenge in unit testing Hadoop applications involving HDFS is handling large datasets. Unit testing typically involves smaller datasets, and dealing with the volume of data in HDFS during testing poses challenges. Strategies like using smaller datasets or mocking HDFS interactions are often employed to address this challenge.
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