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Data Engineering
Join discussions on data engineering best practices, architectures, and optimization strategies within the Databricks Community. Exchange insights and solutions with fellow data engineers.
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Forum Posts

admo
by New Contributor III
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Scaling issue for inference with a spark.mllib model

Hello,I'm writing this because I have tried a lot of different directions to get a simple model inference working with no success.Here is the outline of the job# 1 - Load the base data (~1 billion lines of ~6 columns) interaction = build_initial_df()...

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Hubert-Dudek
Esteemed Contributor III
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It is hard to analyze without Spark UI and more detailed information, but anyway few tips:look for data skews some partitions can be very big some small because of incorrect partitioning. You can use Spark UI to do that but also debug your code a bit...

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