[Java] Investigate potential performance improvement of compression codec
- 主要語言
- Java
- 星號
- 94
- 分支
- 152
- 平均合併
- 3 天 16 小時
- 30 天內合併 PR
- 11
描述
In response to the discussion in https://github.com/apache/arrow/pull/8949/files#r588046787
There are some performance penalties in the implementation of the compression codecs (e.g. data copying between heap/off-heap data). We need to revise the code to improve the performance.
We should also provide some benchmarks to validate that the performance actually improves.
**Reporter**: [Liya Fan](https://issues.apache.org/jira/browse/ARROW-11901) / @liyafan82
**Note**: *This issue was originally created as [ARROW-11901](https://issues.apache.org/jira/browse/ARROW-11901). Please see the [migration documentation](https://github.com/apache/arrow/issues/14542) for further details.*
貢獻指南
研究方向
從壓縮 codec 的實作以及連結的 pull request 中的討論開始,重點關注其中提到的 heap/off-heap 資料複製。為相關 codec 新增基準測試,並使用這些基準測試來驗證任何修訂後的實作都能提升效能。
由索引模型根據 Issue 內容生成。
評估
- 技術堆疊
- java
- 領域
- performance
- Issue 類型
- 重構
- 難度
- 4/5
- 預估耗時
- 3-5 天
- 活躍度
- 停滯
- 描述清晰度
- 基本清楚
- 新手友好度
- 35/100