Improve the RLE encoding for Parquet Dictionary IDs
- Lingua principale
- Java
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Descrizione
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.*
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Direzione di ricerca
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.
Scritto dal modello di indicizzazione a partire dal testo della issue.
Valutazione
- Stack tecnologico
- java
- Ambito
- data-engineering
- Tipo di issue
- Refactoring
- Difficoltà
- 5/5
- Tempo stimato
- Più di una settimana
- Stato di attività
- Ferma
- Chiarezza
- Da chiarire
- Idoneità per principianti
- 25/100