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4+ AgnosticEncoder support & Spark Connect

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#701 2 comments 1 reaction 0 assignees View on GitHub

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Assessment

Difficulty
5/5
Estimated time
Over a week
Newbie friendliness
25/100
Issue type
Feature
Clarity
Needs clarification
Activity status
Stale
Tech stack
scala, spark

Research direction

No files, tests, or entry points are named. Start by reviewing the Spark 4 AgnosticEncoder and Spark Connect interface changes, then determine how Frameless should support both while assessing the TransformingEncoders performance tradeoff; done means Spark 4 support and a viable path toward Spark Connect usage.

Written by the indexing model from the issue text.

Description

enhancement feature

Spark Connect adds another interaction approach, splitting driver and executor. Prior to Spark 4 the interfaces were separated, with the introduction of a base class this is now possible.

Pro's:

  • works on Spark 4
  • opens up the possibility of connect usage

Con's:

  • possible performance hit as TransformingEncoders are required so wholestage codegen is no longer possible (unknown and probably not relevant)
Dominant language
Scala
Stars
895
Forks
135
Avg merge
1d 16h
Merged PRs (30d)
3

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