kubeflow/trainer

Support local iceberg table with parquet files to local validation and e2es

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#3,174 opened on Feb 4, 2026

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area/data-cachegood first issuehelp wanted

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Description

Currently data cache is integrates static iceberg table on s3. This issue tracks support for local iceberg table for local validation of cache and also add support to e2e

Contributor guide

Research direction
Examine the existing data cache implementation that uses S3 based Iceberg tables, then design a local alternative using Parquet files for validation and end to end testing.
Tech stack
go
Domain
backenddata
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Mostly clear
Prerequisites
GoApache IcebergParquet
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
40