February 2026 — Mu2e/otsdaq-mu2e: Delivered a consolidated Spack-based deployment enhancement for the mu2e-tdaq-suite, focusing on usability, maintainability, and build integrity. Implemented environment normalization, artifact ignore rules, and resilient upstream searching via CVMFS when /mu2e is unavailable. Improved path handling with a build-script path variable and updated build-system checksum to ensure integrity. These changes reduce deployment time, increase reliability during outages, and streamline developer onboarding for a2e-tdaq deployments.

January 2026 monthly summary focusing on delivering high-value features, stabilizing CI, and improving maintainability across two repositories. The work accelerated debugging workflows, enabled Geant4-enabled offline builds, and strengthened code quality without impacting functionality.

Implemented Spack build script improvements for the artdaq-demo environment in Mu2e/otsdaq-mu2e, introducing a script that sources setup_spack_build_system.sh from artdaq-demo to enforce a consistent Spack build system. Fixed operational issues by removing outdated fetch logic, correcting file placement by adjusting the working directory before wget, and replacing the demo_version variable with a tag for environment creation and activation. These changes enhance build reliability, reproducibility, and maintainability, reducing onboarding time and deployment risk.

Month: 2025-11 Overview: The month focused on delivering scalable data processing architecture, robust data handling, and streamlined configuration management across the DUNE-DAQ stack. These changes enhance data throughput, reliability, and maintainability, while expanding test coverage and automation to reduce regression risk. Key features delivered: - Data processing architecture improvements: Implemented a generic DataLinkHandlerModule, added FragmentAggregatorConf, and reworked OKS DB/config handling to unify data flow. Also integrated SNBDataHandlerModule in SNB mode and reformatted OKS databases to improve clarity (across daqsystemtest/daqconf/appmodel). - Test automation enhancement: Introduced an automated script to run generate_modules_test across all configured applications in the example configurations, boosting testing efficiency and consistency. - Fragment Aggregator configuration model adoption: Refactored FragmentAggregator to a standard Module/Conf model and enabled FragmentAggregatorConf retrieval in NP02ReadoutApplication to improve configuration management (appmodel). - Trigger management enhancements: Replaced PreconfiguredTriggerModule with FixedTimeTCMakerModule to improve fixed-time trigger configuration (daqconf, appmodel, trigger). - Robustness and data flow improvements: CRTReaderApplication destination class checks and queue descriptor null-pointer checks added; additional null checks for queue and network descriptors to ensure graceful failures; removal of obsolete TRBConf.hpp (appmodel/daqconf). Major bugs fixed: - Strengthened data flow robustness in CRTReaderApplication with null pointer checks and destination validation, reducing runtime misrouting and crashes. - Removed an obsolete configuration include (TRBConf.hpp), simplifying maintenance and reducing error surface. Overall impact and accomplishments: - Improved data processing throughput and reliability through architecture standardization and better configuration management. - Increased testing confidence and release quality via automated end-to-end module-generation testing. - Reduced operational risk with more robust error handling and clearer data paths. Technologies and skills demonstrated: - DataLinkHandlerModule, FragmentAggregatorConf, SNBDataHandlerModule, FixedTimeTCMakerModule - Standard Module/Conf model for FragmentAggregator; NP02ReadoutApplication integration - Robustness improvements in CRTReaderApplication; null checks, destination validation - OKS DB/config reformats and improved data flow monitoring across repos (daqsystemtest, daqconf, appmodel, trigger)

Monthly performance summary for 2025-10 focusing on deliverables, reliability, and stack-wide impact across DUNE-DAQ components. Highlights include features delivered that improve configurability, data processing synchronization, and build/maintenance efficiency, coupled with targeted refactors that reduce integration risk.

September 2025: Stabilized and improved the Mu2e and DUNE-DAQ build and configuration pipelines, delivering reproducible builds, safer configuration management, and broader test coverage, with clearer repository discoverability.

Monthly summary for 2025-08 focusing on business value, major technical achievements, and notable commits across the DUNE-DAQ repositories. Highlights include delivering TRMon monitoring framework and configurability in appmodel, stabilizing data handling APIs across the stack, integrating TRMon-related test infrastructure, and preparing a release-ready bump for 8.6.0. The work emphasizes reliability, monitoring readiness, and maintainable, type-safe data flows.

July 2025 monthly summary focusing on governance, robustness, and technical excellence across Mu2e and DUNE-DAQ components. Delivered key features and fixes that improve maintainability, security, and system reliability, while advancing accuracy in timing and consistency in serialization. Overall impact: strengthened dependency governance, improved timestamp estimation accuracy for trigger generation, standardized serialization, and enhanced robustness when optional components are absent. The work delivers tangible business value through reduced risk, easier maintenance, and more reliable operation in production environments.

June 2025 monthly summary: Delivered targeted improvements to data flow and reliability across DUNE-DAQ appmodel and Mu2e otsdaq-mu2e. Implemented dynamic capacity buffering in ReadoutApplication to pre-allocate TriggerRecord buffers; upgraded CI automation with auto-approve Action v4; addressed Cairo installation issues via a forked tooling fix; and completed comprehensive code quality improvements including clang-format cleanup and formatting safety enhancements. These changes lower risk of buffer exhaustion, stabilize builds, and improve maintainability.

In May 2025, focused on improving test stability and reliability in DUNE-DAQ/daqsystemtest. Implemented a robust glob matching default for -k in the integ test bundle script to ensure complete test discovery and execution, reducing missed tests and CI flakiness. The change reduces manual intervention and accelerates feedback to developers, aligning with quality and release readiness goals.

April 2025 was focused on building reliable, reproducible development environments and advancing release readiness across Mu2e and DUNE-DAQ. Key outcomes include deterministic Emacs installation via Spack with explicit GUI backend and Emacs 29.3 built with GCC 13.1.0, alignment of the Mu2e Spack environment with a Mu2e-TDAQ tag, and pinned SHAs for core toolchains to ensure reproducible builds, plus a release-ready bump for the Trigger project to 2.3.0. These improvements reduce onboarding time, minimize build flakiness, and accelerate delivery of feature work while enabling consistent, auditable environments.

March 2025 monthly summary highlighting cross-repo reliability improvements, build-system modernization, fault-tolerance refactor, and API/schema evolution across Mu2e/otsdaq-mu2e and DUNE-DAQ projects. Focused on delivering business value through reproducible environments, consistent build configurations, and maintainable data handling, enabling faster iterations with reduced risk and clearer upgrade paths for consumers.

February 2025 monthly summary: Delivered tangible business value through reliability, observability, and build-system improvements across multiple repositories. Notable features include printer consumables monitoring for the SNMP exporter, and trigger data fragment time-window integration tests that improve edge-case reliability. Significant bug fixes stabilized logging across the codebase by enforcing correct Logging.hpp include order and header search paths, addressing runtime logging errors. CI/CD automation enhancements reduced manual review effort and accelerated PR integration. Spack/build script enhancements and toolchain management improved reproducibility, while code quality improvements (clang-format, whitespace fixes) and repository housekeeping improved maintainability. Additional observability improvements for remote SSH command execution in drunc added better debuggability.

January 2025 monthly performance summary for DUNE-DAQ and Mu2e collaborations. This period delivered data integrity improvements, CI/CD and environment reliability enhancements, and maintainability benefits across multiple repositories. Highlights include implementating fragment-level data file validation, comprehensive CI/CD and workflow refinements, environment/version handling improvements, and centralized utility refactors to reduce maintenance burden while preserving functionality.

December 2024 monthly summary for multiple DUNE-DAQ and Mu2e projects focusing on release stabilization, automated workflows, and configuration management to improve release reliability, debugging visibility, and cross-repo consistency. Key business outcomes include faster release readiness, reproducible environments, and improved issue detection across critical repos (Mu2e/otsdaq-mu2e, DUNE-DAQ/drunc, DUNE-DAQ/trigger).

November 2024 (2024-11) monthly summary for DUNE-DAQ repositories. The team delivered a mix of bug fixes and test/maintenance work that enhances data integrity, configuration correctness, and test coverage across daqsystemtest, trigger, and daqconf. Highlights include integration test additions for trigger change-rate behavior, timing alignment fixes that stabilize HSISignalWindow with TCReadoutMap, and configuration generation consistency after service renames. Maintenance work improved versioning and XML readability to support smoother deployments and easier auditing.

October 2024 performance summary for the DUNE-DAQ suite. Focused on delivering testability, stability, and release readiness across three repositories, with an emphasis on connectivity-related functionality and packaging/versioning. The month yielded concrete features for integration testing, defensive fixes for optional components, and clear release milestones that support reliable deployments and onboarding. Key business outcomes include: more deterministic integration tests, reduced risk when the connectivity service is optional, and streamlined release engineering across components to support upcoming feature work.