Toshihiro Suzuki
Architect at Scalar, Inc.
Chiyoda, Japan
Summary
🤩
Rockstar🎓
Top SchoolToshihiro Suzuki is an architect and seasoned backend engineer with 11 years of experience designing and hardening large-scale distributed data systems. Based in Chiyoda, Japan, he is an Apache HBase committer and author of a leading Japanese HBase book, reflecting deep expertise in HBase, Phoenix and Hadoop internals. Toshihiro’s career spans production roles at Scalar, Cloudera and Hortonworks and long-running operations work building log analysis and graph database platforms at CyberAgent. He focuses on reliability, thread-safety and storage-layer correctness—fixing tricky race conditions, snapshot/replica bugs and edge-case metadata problems for well-known Apache projects. Comfortable both in code and architecture, he brings a practitioner’s eye to operational robustness and developer usability in core database infrastructure.
11 years of coding experience
13 years of employment as a software developer
Master's degree, Computer Science, Master's degree, Computer Science at Ibaraki University
Japanese, English
Github Skills (27)
hbase10
back-end-development10
testing10
databases10
distributed-systems10
hadoop10
java10
javas10
phoenix-liveview10
sql10
phoenix-framework10
apache-phoenix10
concurrency10
database10
filesystem9
Programming languages (9)
Github contributions (5)
apache/hbase
Nov 2017 - Jun 2021
Apache HBase
Role in this project:
Back-end Developer
Back-end DeveloperContributions:30 reviews, 236 commits, 116 PRs in 3 years 7 months
Contributions summary:Toshihiro primarily contributed to the Apache HBase project by addressing various bug fixes and implementing enhancements. Their work involved resolving issues within the NettyRpcServer, fixing a NullPointerException in the "/metrics" servlet, and fixing issues related to restoring snapshots and region replicas. Furthermore, the user made changes to improve the usability of the shell by correcting URLs in command descriptions and improving test coverage by adding new test cases.
apache-hbaseapachedatabasejavahbase
apache/phoenix
Mar 2018 - Sep 2020
Apache Phoenix
Role in this project:Back-end Developer & Database Engineer
Back-end Developer & Database EngineerContributions:34 commits, 8 PRs, 15 comments in 2 years 5 months
Contributions summary:Toshihiro primarily contributed to bug fixes and enhancements within the Apache Phoenix codebase, a database built on HBase. Their work involved addressing issues related to index creation on views, specifically handling edge cases with named column families and VARBINARY/ARRAY primary keys. They also made changes to the metadata handling and query compilation logic. Furthermore, the user addressed an auto-commit issue within the system, indicating they work on the database's core functionality and related infrastructure.
sqlapache-phoenixelixirapachebig-data
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