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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/01/20 18:59:47 UTC

[GitHub] [arrow-rs] tustvold opened a new issue #1213: ArrowWriter Row Group Byte Size Limit

tustvold opened a new issue #1213:
URL: https://github.com/apache/arrow-rs/issues/1213


   **Is your feature request related to a problem or challenge? Please describe what you are trying to do.**
   
   Currently `ArrowWriter` uses `max_row_group_size` as a row count limit. Whilst this is significantly simpler to implement, it is at odds with other arrow implementations that use a bytes threshold.
   
   **Describe the solution you'd like**
   
   Any or all of:
   
   * Clearly document what `max_row_group_size` is used for and how it is different from the other size quantities in WriterProperties
   * Assess if the `DEFAULT_MAX_ROW_GROUP_SIZE` of `128 * 1024 * 1024` makes sense given this is not bytes
   * Add functionality to flush based on a bytes threshold instead of, or in addition to, the current row threshold
   


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