Define a generator function to read lines from the CSV file one by one, avoiding loading the entire file into memory. Use data structures that minimize memory usage, such as generators, iterators ...

Currently I am working on a tool that needs to write a previously unknown amount of data to a parquet file. The parquet::StreamWriter seems to be the correct solution for this. I noticed that the ...

The convert2parquet function is used to convert large CSV files into smaller Parquet files. It offers several advantages such as reducing memory usage, improving processing speed, and optimizing data ...

When saving dataframes to disk, choosing an efficient file format can affect memory usage upon reloading. File formats like HDF5 or Parquet are designed for storing large datasets efficiently.

DuckDB can ingest data from a variety of formats. CSV, JSON, and Apache Parquet files are three of the most common. With CSV and JSON, DuckDB by default attempts to figure out the columns and data ...