During September 2025, this developer enhanced HDFS integration in the ClickHouse/ClickHouse repository by enabling erasure coding support for pread operations. They updated the libhdfs3 submodule to a newer revision and incorporated PositionStripeReader.cpp into the build system using CMake, allowing ClickHouse to perform EC-aware reads in HDFS environments. Working primarily in C++, the developer focused on improving data access reliability and throughput for clusters utilizing erasure coding. Their work addressed the need for resilient and efficient read paths in data-heavy workloads, demonstrating a solid understanding of build systems, distributed storage, and the technical requirements of HDFS integration.