赵立伟
Software Engineer
Beijing, China
Summary
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Rockstar赵立伟 is a software engineer based in Beijing with nine years of hands-on experience building and optimizing distributed databases and backend systems. He is an active open-source contributor focused on high-performance, strongly consistent key-value stores and analytics databases, with notable work in Apache Pegasus and Apache Doris. His contributions include benchmarking, slow-query detection, replication environment handling, memory bug fixes, and resource group refactors—practical improvements that bolster reliability and performance at scale. Comfortable diving into low-level optimizations (e.g., removing unexported dependencies and using std::move), he brings a pragmatic engineering mindset to complex storage and meta-server problems. Colleagues rely on him to translate deep systems knowledge into maintainable, production-ready code and measurable performance gains.
8 years of coding experience
Github Skills (16)
rocksdb10
query-engine10
databases10
c-language10
key-value-store10
cprogramming-language10
back-end-development10
relational-databases10
sql-database10
database10
thrift9
performance-optimization9
memory-management9
sql8
olap7
Programming languages (7)
Github contributions (5)
apache/incubator-pegasus
Aug 2019 - Mar 2022
Apache Pegasus - A horizontally scalable, strongly consistent and high-performance key-value store
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 release, 544 reviews, 292 commits in 2 years 6 months
Contributions summary:赵立伟 implemented various benchmark features, including removing dependencies on unexported RocksDB objects. They also added support for table-level slow query detection on the meta server. Further contributions included refactoring the way to call replication\_ddl\_client::set\_app\_envs and adding an HTTP interface for getting application environment variables. The user's work primarily focused on improving and extending the functionality of the Apache Pegasus key-value store, with a focus on the meta server.
scalabledbmsnosqlapacheconsistent
apache/doris
Mar 2022 - Oct 2022
Apache Doris is an easy-to-use, high performance and unified analytics database.
Role in this project:Back-end Developer
Back-end DeveloperContributions:26 reviews, 2 commits, 13 PRs in 7 months
Contributions summary:赵立伟 primarily contributed to the backend of the Doris database system. Their work includes fixing memory-related issues within the free pool, addressing a bug in the fragment manager related to latency updates, and refactoring code related to resource groups. The user also added the functionality to alter resource groups and implemented the ability to drop resource groups. Furthermore, the user optimized code by using std::move to improve performance.
dbmsapache-dorisdbtreal-timehudi
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