Over a two-month period, this developer contributed to both backend systems and documentation within the Doris ecosystem. On the Jibing-Li/incubator-doris repository, they engineered a safety-enhanced backend decommissioning flow in Java, introducing logic to skip leaky tablets and implement a configurable delay, thereby reducing blocking and operator intervention during decommissioning. Their work demonstrated proficiency in backend development, distributed systems, and database management. Later, on apache/doris-website, they improved documentation for the SHOW PARTITIONS command, clarifying SQL WHERE clause behavior and supported operators using Markdown. This update aligned documentation with actual system behavior, streamlining onboarding and reducing support needs.