Instead of using python for data transformation, just move over to data.table. https://h2oai.github.io/db-benchmark/ https://h2oai.github.io/db-benchmark/ Cut

Instead of using python for data transformation, just move over to data.table. https://h2oai.github.io/db-benchmark/ https://h2oai.github.io/db-benchmark/ Cut your time AND your costs.