February 2026 focused on reliability, documentation clarity, and configuration hygiene for HertzBeat. Delivered a documentation update for version validation, fixed Prometheus Task History charts in Favorites by refining retry logic and labeling, and corrected Synology NAS configuration naming to prevent misconfigurations.

January 2026 monthly summary for repository apache/hertzbeat focused on performance optimization, data integrity, and reliability enhancements. Delivered parsing performance and cache optimization, database index optimization and schema alignment, and TdEngineDataStorage SQL formatting and insertion reliability fixes. These changes improved throughput, reduced parsing overhead, and strengthened SQL construction, with broader unit test coverage and collaboration across teams.

December 2025 monthly summary focusing on key feature deliveries, major bug fixes, overall impact, and technical proficiency demonstrated. Highlights include UI/UX and docs quality improvements, reliability enhancements in metrics, and runtime task safety improvements across the GreptimeTeam/docs and apache/hertzbeat repos.

November 2025 (apache/hertzbeat) delivered three targeted initiatives that strengthen governance, resilience, and security, delivering measurable business value: onboarding and community engagement, a resilient alert processing workflow with exponential backoff, and security hardening via trusted-domain verification for HuaweiCloudExternAlertService URLs. These changes reduce operators' risk, improve alert reliability, and promote healthy open-source collaboration, positioning HertzBeat for broader adoption and safer data processing.

October 2025 (apache/hertzbeat) delivered key enhancements across data collection, rule validation, UI stability, and alerting with a strong emphasis on reliability and maintainability. The changes improved data accuracy, increased resilience in metric collection, and strengthened alert lifecycle management, directly contributing to lower operational risk and faster response.

September 2025 highlights: Delivered key features and reliability improvements for apache/hertzbeat with a focus on data accuracy, alerting robustness, and proactive monitoring. The month emphasized robust Prometheus streaming parsing, enhanced alert rule reliability, expanded monitoring coverage, UI polish, and a critical webhook fix, all targeting improved operational visibility and business value.

August 2025 Performance Highlights across HertzBeat projects (Duansg/hertzbeat, taosdata/TDengine, apache/hertzbeat). The month focused on enhancing data extraction accuracy, hardening security and configuration reliability, boosting UI performance for large dashboards, and enriching localization and documentation for better user experience. The work delivered combines new data parsing capabilities, safer template evaluation, and smoother monitoring workflows with measurable improvements in reliability, performance, and user onboarding.

July 2025 highlights for Duansg/hertzbeat: Delivered core reliability, usability, and globalization enhancements to strengthen alerting and global adoption. Key changes include a Guava Table-based AlarmCacheManager with defineId for clearer alert provenance, robust collector lifecycle fixes (online metadata population and offline alert removal), a new system time zone endpoint with a dynamic frontend timezone selector, enhanced alert expression evaluation with boolean modifiers and improved scalar/vector comparisons, and expanded internationalization/localization (data-source error messages, collector notifications, Japanese translations for Nginx monitoring). Documentation improvements also refined Chinese wording and overall clarity. These changes reduce alert noise, improve MTTR, and enable more consistent global operation.

June 2025 monthly summary for Duansg/hertzbeat focusing on business value and technical achievements. Key features delivered include new alert sources (Alibaba Cloud SLS and Huawei Cloud Cloud Eye) with unified alert formatting and frontend integration; expanded metrics collection to expose HTTP status codes; and a new API/frontend workflow to preview periodic threshold expressions before saving. Major fixes improved alert processing and data correctness for Prometheus thresholds, added null-safety for bulletin processing, fixed UI paging, and strengthened the test infrastructure to raise reliability.

Month: 2025-05 — Documentation quality improvements in the Duansg/hertzbeat repo focused on the Chinese terminology consistency for monitoring templates. Addressed terminology inconsistencies across alarm and monitoring docs to ensure accurate and natural phrasing (template vs 模板). Implemented through two doc-only commits, improving developer experience and reducing potential user confusion.