Worked on enhancing observability and troubleshooting for DocDB transaction-related errors in the yugabyte/yugabyte-db repository, focusing on transaction timeouts and SnapshotTooOld issues. Leveraged C++ for backend development, implementing targeted diagnostics that improved error logging and enriched error messages with tablet and table identifiers. Updated documentation in Markdown to reflect new error formats and provide clearer troubleshooting guidance for YSQL and DocDB workloads. These changes enabled faster root-cause analysis and reduced mean time to resolution for throughput-heavy environments. The work demonstrated depth in database management and error handling, strengthening reliability and maintainability for complex distributed database operations.