Data Science

How to handle Small File Problem in HDFS and S3 Data Lakes for better query performance?

ER Asked by Eric Sullivan · 09-09-2025
0 upvotes 12,130 views 0 comments
The question

Our Spark jobs are crawling because we have millions of 10KB files being ingested from our real-time streaming API. We know this "Small File Problem" is killing our IOPS. What are the best ways to compact these files automatically without taking our data lake offline or causing data consistency issues?

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