Siyao Meng
Apache Ozone PMC Member And Committer at The Apache Software Foundation
Palo Alto, California, United States
Summary
🤩
Rockstar🎓
Top SchoolSiyao Meng is a Staff Software Engineer at Cloudera and an Apache Ozone PMC member and committer with seven years of experience building storage, cloud and distributed filesystem infrastructure. He contributes to high-profile OSS projects like Apache Hadoop and Ozone, where his backend work added snapshot HTTP operations and improved Ozone Manager durability and RocksDB table metrics. Proficient in C, C++, Java and Python, Siyao blends systems-level coding with rigorous testing to ship reliable features across client and server codepaths. Trained in information security at Carnegie Mellon, he brings a security-minded perspective to storage systems and once researched GPU-based browser fingerprint defenses, a less obvious blend of graphics and privacy expertise. Based in Palo Alto, he focuses on scalable, production-ready storage for data analytics and object workloads.
7 years of coding experience
2 years of employment as a software developer
Bachelor of Science - BS Electrical Engineering, Bachelor of Science - BS Electrical Engineering at University of Science and Technology of ChinaMaster of Science - MS Information Security (MSIS) Information Networking Institute (INI), Master of Science - MS Information Security (MSIS) Information Networking Institute (INI) at Carnegie Mellon University
Japanese, English, Chinese
Github Skills (15)
rocksdb10
javas10
hdfs10
hadoop10
back-end-development10
java10
webhdfs10
testing10
api-design9
big-data9
restful-api9
object-store9
rest-api9
data-storage9
api-rest9
Programming languages (5)
Github contributions (5)
apache/ozone
Jul 2019 - Jan 2023
Scalable, reliable, distributed storage system optimized for data analytics and object store workloads.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1984 reviews, 148 commits, 480 PRs in 3 years 6 months
Contributions summary:Siyao implemented features and performed bug fixes related to the Ozone Manager Double Buffer, specifically ensuring that the daemon thread waited for the process to stop and the metrics updated during OM reload/restart. They also made changes to the RocksDB table store, and introduced a new method to get the estimated key count of the table to reflect data changes during OM reload. The user updated tests to include support for the functionalities.
scalableredundantapachebig-dataspark
apache/hadoop
Sep 2018 - Dec 2021
Apache Hadoop
Role in this project:Back-end Developer
Back-end DeveloperContributions:46 reviews, 137 commits, 68 PRs in 3 years 3 months
Contributions summary:Siyao's commits focus on implementing and testing new features for the Hadoop HttpFS service. They added functionality for the ALLOWSNAPSHOT, DISALLOWSNAPSHOT, GETSNAPSHOTDIFF, and GETSNAPSHOTTABLEDIRECTORYLIST operations. The contributions included writing new test cases and modifying existing ones to ensure the correct behavior of these snapshot-related functionalities within the HTTP file system. These changes involved modifications across client and server-side code.
apachebig-datasparkhadoopjava
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