apache / apache/hudi

Make full scan optional for metadata partitions other than FILES

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#15,093 1 comment 0 reactions 0 assignees View on GitHub
from-jira priority:critical type:improvement
Dominant language
Java
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Description

Currently, just one config controls whether to do full scan or point lookup while reading log records in metadata table and that config applies to ALL metadata partitions. However, full scan is disabled for column_stats and bloom_filters partitions: HoodieBackedTableMetadata#isFullScanAllowedForPartition

 

We should make it configurable for other partitions too.

## JIRA info

- Link: https://issues.apache.org/jira/browse/HUDI-3809
- Type: Improvement
- Epic: https://issues.apache.org/jira/browse/HUDI-1822

Contributor guide

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Research direction

Start with HoodieBackedTableMetadata#isFullScanAllowedForPartition and trace the existing configuration that controls full scans versus point lookups for metadata partitions. Identify how that setting is applied to FILES, column_stats, and bloom_filters, then verify that other partitions can be configured independently while preserving the existing behavior. Confirm the change with the relevant metadata-table tests, if present.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
databases
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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