apache/hudi

HoodieRealtimeInputFormat does not apply application specific merge hooks #173

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#14455 opened on Nov 30, 2025

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area:ingestengine:hivefrom-jiragood first issuepriority:highpriority:lowtype:bugtype:community-support

Description

https://github.com/uber/hudi/issues/173

JIRA info

Contributor guide

Tech stack
java
Domain
data
Issue type
bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
4
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.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
needs investigation
Prerequisites
JavaHudi architectureMerge hooks concept
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
10
Research direction
Examine the HoodieRealtimeInputFormat class in the Hudi codebase to understand how it applies merge hooks currently. Investigate the JIRA link (HUDI 71) for more context. Check if there are any existing tests for merge hooks behavior. Since the issue is assigned, coordinate with the assignee to see if work is in progress.