About 11,100,000 results
Open links in new tab
  1. What are the pros and cons of the Apache Parquet format compared …

    Apr 24, 2016 · 30,36,2 Parquet files are most commonly compressed with the Snappy compression algorithm. Snappy compressed files are splittable and quick to inflate. Big data systems want to …

  2. Is it possible to read parquet files in chunks? - Stack Overflow

    Nov 29, 2019 · The Parquet format stores the data in chunks, but there isn't a documented way to read in it chunks like read_csv. Is there a way to read parquet files in chunks?

  3. Reading / Fixing a corrupt parquet file - Stack Overflow

    Sep 3, 2024 · Reading / Fixing a corrupt parquet file Asked 1 year, 3 months ago Modified 6 months ago Viewed 2k times

  4. How to read a Parquet file into Pandas DataFrame?

    How to read a modestly sized Parquet data-set into an in-memory Pandas DataFrame without setting up a cluster computing infrastructure such as Hadoop or Spark? This is only a moderate amount of data …

  5. What file extension is the correct way to name parquet files?

    Jun 3, 2025 · <file-name>.parquet : 1) This is the standard and most widely accepted naming convention. 2) The compression codec is stored in the Parquet file metadata, not in the filename. 3) …

  6. Python: save pandas data frame to parquet file - Stack Overflow

    Dec 9, 2016 · Is it possible to save a pandas data frame directly to a parquet file? If not, what would be the suggested process? The aim is to be able to send the parquet file to another team, which they …

  7. Inspect Parquet from command line - Stack Overflow

    How do I inspect the content of a Parquet file from the command line? The only option I see now is $ hadoop fs -get my-path local-file $ parquet-tools head local-file | less I would like to avoid

  8. Convert csv to parquet file using python - Stack Overflow

    May 30, 2018 · I am trying to convert a .csv file to a .parquet file. The csv file (Temp.csv) has the following format 1,Jon,Doe,Denver I am using the following python code to convert it into parquet …

  9. How to append new data to an existing parquet file?

    Apr 27, 2023 · I have parquet files with some data in them. I want to add more data to them frequently every day. I want to do this without having to load the object to memory and then concatenate and …

  10. Extension of Apache parquet files, is it '.pqt' or '.parquet'?

    Oct 19, 2021 · I wonder if there is a consensus regarding the extension of parquet files. I have seen a shorter .pqt extension, which has typical 3-letters (like in csv, tsv, txt, etc) and then there is a rather …