apache / apache/hudi

Partition specific compaction strategy for the metadata table

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#14,998 1 comment 0 reactions 0 assignees View on GitHub
area:index area:metadata-table area:table-service component:compaction from-jira priority:critical type:improvement
Dominant language
Java
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Description

With bloom filters and also col stats, I am not sure if the same compaction policy works for everything. for e.g we might want to compact the "files" partition more aggressively than "col_stats" or "bloom_filters" 

 

We need controls for all this. 

## JIRA info

- Link: https://issues.apache.org/jira/browse/HUDI-3288
- Type: Improvement
- Epic: https://issues.apache.org/jira/browse/HUDI-1822

Contributor guide

No contributing guide indexed for this repository

Research direction

Start with the linked JIRA issue HUDI-3288 and the issue's description of the metadata table partitions: files, col_stats, and bloom_filters. Determine the desired per-partition compaction controls and how completion should be validated across those partitions.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
data-engineering, performance
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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