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 …
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?
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) …
How to view Apache Parquet file in Windows? [closed]
Jun 19, 2018 · 99 What is Apache Parquet? Apache Parquet is a binary file format that stores data in a columnar fashion. Data inside a Parquet file is similar to an RDBMS style table where you have …
Parquet vs Delta format in Azure Data Lake Gen 2 store
Dec 16, 2020 · Delta Lake uses versioned Parquet files to store your data in your cloud storage. Apart from the versions, Delta Lake also stores a transaction log to keep track of all the commits made to …
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 …
Updating values in apache parquet file - Stack Overflow
Mar 3, 2015 · I have a quite hefty parquet file where I need to change values for one of the column. One way to do this would be to update those values in source text files and recreate parquet file but I'm …
What is actually meant when referring to parquet row-group size?
Jul 27, 2023 · Parquet readers should be capable of applying skips at page-level resolution. Disclaimer: I work on arrow-c++/pyarrow. The pyarrow datasets reader's performance is very dependent on row …
Power Query Editor - Import .Parquet File - Stack Overflow
Sep 18, 2023 · How can I convert an imported .parquet file correctly, using Excel's Power Query Editor? Are there drivers available for this in Excel?
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 …