Writing Structured JSON Files

How do we export DataFrames as line-delimited JSON files for downstream microservice consumption?

Expert⏱ 2 Minutes⭐ 860 XP

🤔 THE QUESTION

How do we export DataFrames as line-delimited JSON files for downstream microservice consumption?

💡 WHAT IS IT?

df.write.mode('overwrite').json(path) serializes DataFrame records into newline-delimited JSON objects.

🎯 WHAT IS IT USED FOR?

Publishing event payloads to message queues, REST API caching tiers, and document databases.

💻 EXAMPLE

df.write.mode("overwrite").json("output/events_json")

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