linkedin / linkedin/spark-tfrecord
encountered a FileAlreadyExistsException when trying to save array of arrays of arrays (3d array)
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- Dominant language
- Scala
- Stars
- 300
- Forks
- 57
- PR merge metrics
- No merged PRs in 30d
Description
I got a FileAlreadyExistsException when I was trying to save a pyspark dataframe that has 3d array columns. The saving worked for me when I only had 1d, 2d, and scalars in the dataframe. Is there any plan to support 3d arrays in the near future?
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the reported save failure with a PySpark dataframe containing a 3D array column, then inspect the project’s handling of nested arrays and the resulting FileAlreadyExistsException. Done means a dataframe with 1D, 2D, and 3D array columns can be saved successfully in TFRecord format.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python, scala, spark, tensorflow
- Domain
- data
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100