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Masatake Iwasaki

PROFILE

Masatake Iwasaki

Over a two-month period, Iwasaki Masatake focused on stabilizing build processes for the apache/hadoop repository, addressing critical issues in both native library and UI build environments. He resolved GCC 14+ compilation failures by introducing targeted compiler flags in CMake, ensuring native libraries could be built reliably on modern Linux systems. In addition, he improved ARM Docker build stability for the Hadoop Yarn UI on macOS by updating dependency management in yarn.lock and ensuring phantomjs installation, which addressed node-gyp and Python 2 lookup errors. His work leveraged C++, Docker, and DevOps skills, resulting in more robust CI pipelines and smoother contributor onboarding.

Overall Statistics

Feature vs Bugs

0%Features

Repository Contributions

3Total
Bugs
2
Commits
3
Features
0
Lines of code
60
Activity Months2

Work History

June 2025

2 Commits

Jun 1, 2025

June 2025 monthly summary for apache/hadoop focused on stabilizing ARM Docker builds for the Hadoop UI on macOS. Delivered targeted fixes to the Yarn UI build by ensuring phantomjs is installed and by updating dependencies in yarn.lock to resolve Python 2 lookup errors caused by node-gyp. Implemented via two commits addressing YARN-11713 and YARN-11712, reducing ARM/macOS build failures and improving CI reliability.

May 2025

1 Commits

May 1, 2025

May 2025 monthly summary for Apache Hadoop focused on native library build stability with GCC 14+. Delivered stabilization by introducing a compiler flag to suppress implicit function declaration errors, enabling successful native library builds on modern Linux environments and CI pipelines. This work aligns with HADOOP-19551, reducing build-time failures and improving compatibility with newer toolchains.

Activity

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Quality Metrics

Correctness93.4%
Maintainability93.4%
Architecture86.6%
Performance86.6%
AI Usage20.0%

Skills & Technologies

Programming Languages

C++CMakeDockerfileJavaScript

Technical Skills

Build SystemsBuild ToolsC++ DevelopmentDependency ManagementDevOpsDockerGCC Compiler

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

apache/hadoop

May 2025 Jun 2025
2 Months active

Languages Used

C++CMakeDockerfileJavaScript

Technical Skills

Build SystemsC++ DevelopmentGCC CompilerBuild ToolsDependency ManagementDevOps

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