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1.4k followers · 98 following
  • Beijing, China

Achievements

Achievement: Starstruckx4Achievement: Pair Extraordinairex4Achievement: Galaxy BrainAchievement: YOLOAchievement: Pull Sharkx3Achievement: Arctic Code Vault ContributorAchievement: Public Sponsor

Achievements

Achievement: Starstruckx4Achievement: Pair Extraordinairex4Achievement: Galaxy BrainAchievement: YOLOAchievement: Pull Sharkx3Achievement: Arctic Code Vault ContributorAchievement: Public Sponsor

Organizations

@JudgeDuck @rcore-os @risinglightdb @madsim-rs

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wangrunji0408/README.md

Hi there 👋

I'm a system developer and Rustacean.

Operating Systems:

  • rCore: A Linux-compatible OS kernel for teaching. (2018-2019)
  • zCore: A reimplementation of Zircon microkernel in Rust. (2020)
  • Occlum: A multi-process library OS for Intel SGX. (2019)

Storage Systems:

  • MadFS: A benchmark-oriented distributed file system once ranked #1 on the IO500 list. (2020)
  • MadFSv2: A more "serious" distributed file system but rarely works. (2021-2022)

Distributed Systems:

  • Madsim: A FoundationDB-style deterministic simulation framework in Rust. (2021-2022)

Database and Streaming Systems:

  • RisingLight: An educational OLAP database system. (2021-2023)
  • RisingWave: A distributed SQL streaming database in the cloud. (2022-2024)

Pinned Loading

  1. rcore-os/rCore Public

    Rust version of THU uCore OS. Linux compatible.

    Rust 3.6k 377

  2. risingwavelabs/risingwave Public

    Stream processing and management platform.

    Rust 8k 658

  3. rcore-os/zCore Public

    Zircon microkernel reimplemented in Rust.

    Rust 1.8k 216

  4. risinglightdb/risinglight Public

    An educational OLAP database system.

    Rust 1.7k 219

  5. UndergraduateProjects Public

    A collection of my undergraduate projects

    90 3

  6. madsim-rs/madsim Public

    Magical Deterministic Simulator for distributed systems in Rust.

    Rust 901 57

468 contributions in the last year

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Activity overview

Contributed to arrow-udf/arrow-udf, wangrunji0408/image-thumbnailer, deepseek-ai/smallpond and 18 other repositories
Loading A graph representing wangrunji0408's contributions from July 07, 2024 to July 12, 2025. The contributions are 80% commits, 14% code review, 5% pull requests, 1% issues. 14% Code review 1% Issues 5% Pull requests 80% Commits

Contribution activity

July 2025

Created 17 commits in 2 repositories
Opened 1 pull request in 1 repository
arrow-udf/arrow-udf 1 merged
14 contributions in private repositories Jul 1 – Jul 12
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