Improve the RLE encoding for Parquet Dictionary IDs
- Langage dominant
- Java
- Étoiles
- 3.1k
- Forks
- 1.6k
- Merge moyen
- 3 j 12 h
- PR mergées (30 j)
- 33
Description
The IDs of Parquet Dictionary encoding is using `RunLengthBitPackingHybridEncoder`.
RunLengthBitPackingHybridEncoder handles encoding with `repeat` and `bitpacking`, we should improve it with the method likes `DeltaBinaryPackingWriter`
**Reporter**: [Dapeng Sun](https://issues.apache.org/jira/secure/ViewProfile.jspa?name=dapengsun) / @sundapeng
**Note**: *This issue was originally created as [PARQUET-1059](https://issues.apache.org/jira/browse/PARQUET-1059). Please see the [migration documentation](https://issues.apache.org/jira/browse/PARQUET-2502) for further details.*
Guide de contribution
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Piste de recherche
Start by locating RunLengthBitPackingHybridEncoder and DeltaBinaryPackingWriter in the Java sources, then read their encoding and test coverage. Determine the intended improved handling for Parquet Dictionary IDs and define completion through encoding correctness and performance tests; the issue does not name specific files or tests.
Rédigé par le modèle d'indexation à partir du texte de l'issue.
Évaluation
- Stack technique
- java
- Domaine
- data-engineering
- Type d'issue
- Refactorisation
- Difficulté
- 5/5
- Temps estimé
- Plus d'une semaine
- Activité
- À l'abandon
- Clarté
- À clarifier
- Accessibilité débutants
- 25/100