Lei Wen delivered RISC-V architecture support for the apache/hadoop repository, expanding Hadoop’s compatibility to riscv64 hardware. He upgraded the os-maven-plugin to version 1.7.1, enabling riscv64 builds, and implemented RISC-V specific byte-swap logic in core primitives to ensure correct endianness handling. Working in C++ with a focus on compiler intrinsics and low-level programming, Lei addressed cross-architecture data-path reliability and reduced endianness-related risks. His work laid the foundation for future RISC-V deployments and performance optimizations in embedded systems, aligning Hadoop’s core data handling with new hardware requirements and enhancing the project’s long-term maintainability and platform reach.