Luke Sun
Distinguished Engineer at Hewlett Packard Enterprise
San Jose, California, United States
Summary
👤
Senior🎓
Top SchoolLuke Sun is a Distinguished Engineer based in San Jose with 13 years of hands-on experience designing and shipping large-scale distributed systems, databases, and streaming architectures. He has led architecture for cost, scale, and automation at Hewlett Packard Enterprise after a long tenure as Principal Engineer at Juniper, and brings deep systems and networking expertise dating back to embedded VoIP and cloud appliance work. Luke is a pragmatic polyglot who has improved production reliability across JVM and native stacks, built stress-testing and observability tooling, and even ported FreeSWITCH to MIPS. An active Apache contributor, his open-source work includes enhancements to the Kafka log-persistence project Secor, adding millisecond ORC timestamp support and robust retry/backoff behavior. He pairs a PhD-level mathematical background with practical product instincts, often surfacing non-obvious reliability fixes that reduce operational risk.
13 years of coding experience
18 years of employment as a software developer
Master, Math, Master, Math at Texas Woman's UniversityPhD, Math, PhD, Math at The University of Texas at ArlingtonUndergraduate, Textile Sciences and Engineering, Undergraduate, Textile Sciences and Engineering at Feng Chia University
English, Chinese
Github Skills (12)
javas10
kafka10
logging10
logger10
log4j10
java10
slf4j10
jtest9
timestamp9
junit9
timestamps9
unix-timestamp9
Programming languages (3)
Github contributions (5)
pinterest/secor
Jun 2018 - Jun 2018
Secor is a service implementing Kafka log persistence
Role in this project:
Back-end Developer
Back-end DeveloperContributions:9 commits, 2 PRs, 3 comments in 17 days
Contributions summary:Luke focused on enhancing the `secor` service, a Kafka log persistence solution. They added functionality to support milliseconds for `TimestampColumnVector` within the ORC format, enabling greater precision. Significant work involved implementing and testing a `BackOffUtil` for handling retries and error recovery. Furthermore, the user modified the code to commit offsets to Kafka when `offsets.storage` is set to kafka and improved logging.
sinkloggingopensearchkafka-connectkafka
lukess/storm
Feb 2017 - May 2022
Mirror of Apache Storm
Contributions:21 pushes, 2 branches in 5 years 4 months
javastormapache-stormapache
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