Hi, I'm Linwei Zhang (usually naming lewiszlw on the internet):

• 🎓 Computer science graduate from WHUT
• 👨‍💻 Worked at Meituan / Amazon / Xiaomi
• 💻 Database engineer | 🎮 Hobbyist game dev | Apache DataFusion Committer
• 📄 Resume: English TODO | 中文
• 📱 Contact me: 📫 [email protected] | 💬 Wechat: wx597422850 | Discord: linwei#8522
• Social network: 🦣 Mastodon | Twitter
• Others: 知乎 | Bilibili | Youtube

🎖️ Open source contributions

• 
• 
• 
• 

🔨 Check out my recent pull requests

• refactor: add LazyTable struct for lazy table loading on systemxlabs/indexlake (1 day ago)
• feat: stream_insert writes to multiple files based on inline_row_count_limit on systemxlabs/indexlake (1 day ago)
• refactor(datafusion): remove block_in_place with lazy table loading on systemxlabs/indexlake (1 day ago)
• refactor(postgres-catalog): remove block_in_place from Drop impl on systemxlabs/indexlake (1 day ago)
• refactor: remove ConnectionCodec and use lazy pool creation on systemxlabs/datafusion-remote-table (4 days ago)
• feat: add support for Utf8View and BinaryView data types on systemxlabs/datafusion-remote-table (4 days ago)
• Remove block_in_place on systemxlabs/datafusion-remote-table (5 days ago)
• Remove block_in_place on systemxlabs/indexlake (5 days ago)
• Improve cpu intensive task test on systemxlabs/datafusion-dist (1 week ago)
• Add cpu tokio runtime on systemxlabs/datafusion-dist (1 week ago)

👷 Check out what I'm currently working on

• systemxlabs/indexlake - (1 day ago)
• systemxlabs/datafusion-remote-table - A DataFusion table provider for executing SQL on remote databases. (1 day ago)
• apache/arrow-rs - Official Rust implementation of Apache Arrow (3 days ago)
• systemxlabs/datafusion-dist - A distributed streaming execution library for Apache DataFusion. (4 days ago)
• systemxlabs/.github - (1 week ago)

⭐ Check out my recent stars

• systemxlabs/datafusion-dist - A distributed streaming execution library for Apache DataFusion. (1 week ago)
• systemxlabs/sqllogictest-flightsql - A sqllogictest runner for Flight SQL protocol supported databases. (1 week ago)
• systemxlabs/bb8-tonic - Tonic support for bb8 connection pool. (1 month ago)
• datafusion-contrib/datafusion-functions-json - JSON support for DataFusion (unofficial) (1 month ago)
• systemxlabs/datafusion-loki - A datafusion table provider for querying loki data. (1 month ago)

📜 Check out my recent blog posts

• 开源 datafusion-remote-table 库：在远端数据库执行 SQL 查询 (9 months ago)
• Visitor 模式的两种不同实现分析 (11 months ago)
• DataFusion 查询引擎 Hash Join (1 year ago)
• DataFusion 查询引擎 Nested Loop Join (1 year ago)
• Rust 异步运行时 smol 剖析 (1 year ago)