Ping Yu - Storage Engineer at PingCAP

Ping Yu

Storage Engineer at PingCAP

Guangzhou City, Guangdong Province, China

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Summary

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Rockstar

🎓

Top School

Ping Yu is a storage engineer with nine years of experience building and optimizing distributed databases and backend systems, currently contributing to TiKV kernel and TiDB serverless storage at PingCAP. He has a strong track record at Tencent leading R&D for large-scale operations analytics and online advertising platforms, and earlier experience across e-commerce and wireless systems engineering. An active open-source contributor, he has implemented core storage and vectorized function work in projects like TiKV, TiDB, and the cloud data warehouse ByConity, including adding JSON functions and improving ClickHouse Keeper state machine storage. Known for attention to code quality and testing, he blends low-level storage internals with practical feature delivery and tooling improvements (e.g., tiup enhancements). Based in Guangzhou, he brings both systems-level depth and product-focused engineering judgment, plus a restless developer spirit hinted by his GitHub bio: "a programmer who eats and sleeps on the move."

8 years of coding experience

14 years of employment as a software developer

MS, Computer Engineering, MS, Computer Engineering at South China University of Technology

Github Skills (50)

json10

aggregate10

c-language10

key-value-store10

strings10

admin10

back-end-development10

clientside10

key-value10

testing10

text-manipulation10

tidb10

databases10

database-administration10

aggregate-functions10

Programming languages (11)

JavaC++ShellRustCCMakeJavaScriptGo

Github contributions (5)

tikv/client-rust

Feb 2022 - Jan 2023

Rust Client for TiKV.

Role in this project:

Backend Developer

Contributions:57 reviews, 18 commits, 42 PRs in 11 months

Contributions summary:Ping primarily contributed to the `tikv/client-rust` repository, focusing on error handling, testing, and code improvements within the transaction module. Their work included modifications to request handling and the implementation of tests to improve code quality. The user also addressed CI errors and made minor enhancements to example code, reflecting a focus on the overall stability and maintainability of the client. The changes touched multiple parts of the client, including core transaction logic.

rust-clientrustpyo3tikvcncf

tikv/tikv

May 2020 - Oct 2022

Distributed transactional key-value database, originally created to complement TiDB

Role in this project:

Back-end Developer

Contributions:320 reviews, 19 commits, 52 PRs in 2 years 5 months

Contributions summary:Ping's commits primarily focus on implementing and vectorizing string-related functions, specifically for the `tikv/tikv` database. They introduced the `trim_3_args` function, and vectorized `AddTimeDateTimeNull`, `AddTimeDurationNull`, and `AddTimeStringNull` functions, enhancing the database's string processing capabilities. Moreover, the user added API V2 checks for RawKV and TxnKV requests, and implemented RawKV interfaces for API V2, indicating involvement in core storage and API functionalities. The commits also addressed causal timestamp generation & management.

tidbtikvdatabasekey-value-databaseconsensus

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