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Efficiently Manage Memory Usage in Pandas with Large Datasets

https://geekpython.in/copy-on-write-in-pandas

Pandas supports Copy-on-Write, an optimization technique that helps improve memory use, particularly when working with large datasets.

Efficiently Manage Memory Usage in Pandas with Large Datasets

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sem

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If you are doing data processing in pandas CoW allows to avoid of a lot of redundant computations on intermediate steps. Before CoW any data processing in Pandas required manual and careful working with code to avoid the case described in the blog post. To be honest I cannot imagine the case of offloading each result of each operation in the pipeline to the storage...