Vincent Poon
Principal Architect at The Apache Software Foundation
San Francisco, California, United States
Summary
🤩
Rockstar🎓
Top SchoolVincent Poon is a Principal Architect based in San Francisco with 10 years of experience building large-scale big data compute and storage systems, currently leading architecture at Salesforce. He brings deep hands-on expertise in Trino, HBase, Apache Phoenix, Hadoop, and ZooKeeper, and has practical experience hardening production observability and monitoring platforms. An active open-source maintainer, Vincent is a Trino contributor, an Apache Phoenix committer and PMC member, and a long-time HBase contributor, with notable work improving replication, index rebuilds, and JDBC/connector data type support. His contributions show a pattern of optimizing core server-side performance and robustness—eliminating unnecessary data copies, separating replication concerns, and refining retry and timeout semantics. With an MS in Computer & Information Technology and a background that includes co-founding a startup and early distributed storage prototypes at Cisco, he blends product-minded engineering with deep systems-level craftsmanship.
10 years of coding experience
18 years of employment as a software developer
University of California, Los AngelesMS Computer and Information Technology, MS Computer and Information Technology at University of Pennsylvania
English, German, Chinese
Github Skills (22)
hbase10
testing10
databases10
jdbc10
java10
javas10
phoenix-liveview10
sql10
phoenix-framework10
query-engine10
replication10
index-management10
apache-phoenix10
database10
postgresql9
Programming languages (4)
Github contributions (5)
apache/phoenix
May 2017 - May 2019
Apache Phoenix
Role in this project:
Back-end Developer & Database Engineer
Back-end Developer & Database EngineerContributions:1 review, 293 commits, 5 PRs in 2 years 1 month
Contributions summary:Vincent primarily contributes to the Apache Phoenix database system. Their work focuses on optimizing index-related operations, including reducing sorting overhead during index rebuilds and ensuring correct behavior of mutable indexes during partial rebuilds. They also addressed issues related to server-side index writes, implemented shorter timeouts, and refined retry logic. The user's changes involve modifications to core Java code, including index management and related testing, indicating a deep involvement in database internals.
apache-phoenixphoenixjavadatabasesql
trinodb/trino
Jan 2019 - May 2024
Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)
Role in this project:Back-end Developer
Back-end DeveloperContributions:9 reviews, 11 PRs, 96 comments in 5 years 4 months
Contributions summary:Vincent primarily contributed to the JDBC plugin, adding support for `BlockReadFunction`, `BlockWriteFunction`, and the `ARRAY` data type for the PostgreSQL connector. They also made changes to the `JdbcTypeHandle` class, including adding `arrayDimensions`. Moreover, the user addressed minor issues and introduced support for writing the `TINYINT` type and case-insensitive identifier matching within the Phoenix connector. These changes indicate a focus on extending database connectivity and data type support within the Trino ecosystem.
big-datasql-querytrinojavapresto
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