Hongnan Gan
Appearances by year
- Community Over Code (formerly ApacheCon)
Talks
| Date | Event | Conference | Role | Title | Links |
|---|---|---|---|---|---|
| Jul 25, 2025 | Community Over Code Asia 2025 | Community Over Code (formerly ApacheCon) | speaker | History based optimizations for SparkSQL | Video |
| Jul 25, 2025 | Community Over Code Asia 2025 | Community Over Code (formerly ApacheCon) | speaker | Optimizing Parquet Storage: Metadata Management, Performance Tuning & Seamless Migration | Video |
| Jul 26, 2024 | Community Over Code Asia 2024 | Community Over Code (formerly ApacheCon) | speaker | Optimization for Reducing Compute Cost of SparkSQL in ByteDanceThrough analysis of online tasks, it was discovered that three main factors lead to the degradation of Spark application performance: shuffling large volumes of…Show lessThrough analysis of online tasks, it was discovered that three main factors lead to the degradation of Spark application performance: shuffling large volumes of data, scanning numerous small files, and inefficient speculative execution. In this presentation, we will share three major techniques adopted by ByteDance for tacking these three problems, thereby reducing the compute cost of Spark applic | Video |
Frequent co-speakers
| Speaker | Shared events | Shared talks | Last together |
|---|---|---|---|
| Bill Zhang | 2 | — | 2025 |
| Craig Russell | 2 | — | 2025 |
| Daniel Becker | 2 | — | 2025 |
| Fujian Zhao | 2 | — | 2025 |
| Hubert Zhang | 2 | — | 2025 |
| Jiajun Xie | 2 | — | 2025 |
| Jianqun Liu | 2 | — | 2025 |
| Jiashu Xiong | 2 | — | 2025 |
| Justin Mclean | 2 | — | 2025 |
| Lidong Dai | 2 | — | 2025 |
| lin lin | 2 | — | 2025 |
| Nadia Jiang | 2 | — | 2025 |
| Quanlong Huang | 2 | — | 2025 |
| Richard Bian | 2 | — | 2025 |
| Sammi Chen | 2 | — | 2025 |
Speakers with the same name are merged into one entry, so this page may combine more than one person. Affiliations are shown as each conference listed them.