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OOP programming in Pyspark on Databricks platform

AtanuC
New Contributor

Hello Expert,

I have a doubt so I need your advice and opinion on below query. 

Does OOP is a good chioce of programming for distributed data processing ? like Pysaprk in Databricks platform ? If not then what it is and what kinfd of challenges could be there ? or will the functional programming approach be the best option in this case?

Please help me to understand the concept.

Thanks!!!

1 REPLY 1

Kaniz
Community Manager
Community Manager

Hi @AtanuCObject-Oriented Programming (OOP) is not typically the best choice for distributed data processing tasks like those handled by PySpark on the Databricks platform.

The main reason is that OOP is based on the concept of "objects" which can maintain state. In a distributed system, maintaining and synchronizing the state across many nodes can be challenging and lead to many complexity and potential issues. 

Here are a few challenges that can arise when using OOP for distributed data processing:

  1. State Management: As mentioned, managing and synchronizing state across many nodes can be complex and error-prone.
  2.  Serialization: Objects often need to be serialized and deserialized for transmission across nodes, which can be inefficient and lead to errors if not done carefully.
  3. Concurrency: OOP doesn't inherently handle concurrent processing well, an essential aspect of distributed data processing.

     
    Functional programming is often a better choice for distributed data processing. This is because available programming avoids state and mutable data, which makes it easier to split a task into independent subtasks that can be processed in parallel. This is a critical advantage in a distributed system where jobs are spread across many nodes.

     In the context of PySpark and Databricks, the functional programming paradigm is used extensively.

    For example, transformations on RDDs (Resilient Distributed Datasets) in Spark are functional. 

    Remember, the choice of programming paradigm can depend on various factors, including the task's specific requirements, the team's skills and experience, and the tools and frameworks being used.
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