trinodb/trino
Sep 2024 – Feb 2026
11 Months active
Languages Used
JavaJavaScriptTypeScriptCSSHTMLMarkdownXMLJSON
Technical Skills
Node.jsReactfront end developmentfull stack developmentRESTful API designbackend development
Peter Kosztolanyi
PROFILE
Peter Kosztolanyi
Peter Kosztolanyi developed and enhanced the Trino web application (trinodb/trino), focusing on query observability, UI/UX improvements, and secure, maintainable infrastructure. He delivered features such as a cluster overview with sparklines, a persistent query history, and detailed query diagnostics, using React, TypeScript, and Node.js. Peter integrated authentication systems, automated dependency management with Dependabot, and implemented robust error handling to improve security and reliability. His work included data visualization, state management, and dynamic UI components, addressing both frontend and backend needs. The depth of his contributions reflects a strong grasp of full stack development and a disciplined, maintainable engineering approach.
Overall Statistics
Feature vs Bugs
87%Features
Repository Contributions
33Total
Bugs
3
Commits
33
Features
20
Lines of code
27,842
Activity Months11
Your Network
168 peopleShared Repositories
168
Work History
February 2026
3 Commits • 1 Features
Feb 1, 2026February 2026 monthly summary for trinodb/trino focused on security hardening and automation of dependency management for the webapp-preview component. Implemented automated dependency maintenance to improve security posture and reduce maintenance burden, while preserving stability.
3 Commits • 1 Features
Feb 1, 2026February 2026 monthly summary for trinodb/trino focused on security hardening and automation of dependency management for the webapp-preview component. Implemented automated dependency maintenance to improve security posture and reduce maintenance burden, while preserving stability.
February 2026
December 2025
4 Commits • 3 Features
Dec 1, 2025Month: 2025-12. Key features delivered and major accomplishments for trinodb/trino: - Key features delivered: 1) Query Stages Sorting Enhancement: UI now sorts query stages numerically to improve clarity of the query overview and detail components. 2) Preview UI: Cluster Status Header: Adds a cluster status display in the header of the preview UI, showing node version, environment, and uptime for better operational awareness. 3) Dependency Updates: Node.js and npm: Upgraded Node.js to 24.12.0 and npm to 11.7.0 to improve performance, security, and compatibility with newer features. - Major bugs fixed: No critical or major bugs reported this month. - Overall impact and accomplishments: • Enhances user experience and visibility into query execution and cluster state, enabling faster troubleshooting and more informed usage. • Reduces security and compatibility risk through up-to-date runtime and package dependencies. • Maintains and improves alignment between UI behavior and underlying platform capabilities, contributing to overall product reliability and adoption. - Technologies/skills demonstrated: • UI/UX improvement and data presentation (sorting logic, header cluster status). • Node.js/npm ecosystem updates and version management. • Commit-level traceability and disciplined change logging." ,
December 2025
4 Commits • 3 Features
Dec 1, 2025Month: 2025-12. Key features delivered and major accomplishments for trinodb/trino: - Key features delivered: 1) Query Stages Sorting Enhancement: UI now sorts query stages numerically to improve clarity of the query overview and detail components. 2) Preview UI: Cluster Status Header: Adds a cluster status display in the header of the preview UI, showing node version, environment, and uptime for better operational awareness. 3) Dependency Updates: Node.js and npm: Upgraded Node.js to 24.12.0 and npm to 11.7.0 to improve performance, security, and compatibility with newer features. - Major bugs fixed: No critical or major bugs reported this month. - Overall impact and accomplishments: • Enhances user experience and visibility into query execution and cluster state, enabling faster troubleshooting and more informed usage. • Reduces security and compatibility risk through up-to-date runtime and package dependencies. • Maintains and improves alignment between UI behavior and underlying platform capabilities, contributing to overall product reliability and adoption. - Technologies/skills demonstrated: • UI/UX improvement and data presentation (sorting logic, header cluster status). • Node.js/npm ecosystem updates and version management. • Commit-level traceability and disciplined change logging." ,
November 2025
2 Commits • 1 Features
Nov 1, 2025November 2025 monthly summary for trinodb/trino: Key frontend improvements focused on the Preview UI rendering to boost usability and clarity when exploring catalogs and SQL queries.
2 Commits • 1 Features
Nov 1, 2025November 2025 monthly summary for trinodb/trino: Key frontend improvements focused on the Preview UI rendering to boost usability and clarity when exploring catalogs and SQL queries.
November 2025
October 2025
3 Commits • 1 Features
Oct 1, 2025Summary for 2025-10: Delivered Monaco Editor-based CodeBlock in Preview UI for trinodb/trino, replacing react-syntax-highlighter to boost rendering performance, support dynamic height, and improve JSON formatting. Implemented UI robustness fixes: accurate timeline calculation for query splits and a null-query guard to prevent crashes when URL has no query. Result: faster, more reliable Preview UI, clearer data display, and reduced crash scenarios. Demonstrated technologies: Monaco Editor integration, React UI, robust error handling, and commit discipline.
October 2025
3 Commits • 1 Features
Oct 1, 2025Summary for 2025-10: Delivered Monaco Editor-based CodeBlock in Preview UI for trinodb/trino, replacing react-syntax-highlighter to boost rendering performance, support dynamic height, and improve JSON formatting. Implemented UI robustness fixes: accurate timeline calculation for query splits and a null-query guard to prevent crashes when URL has no query. Result: faster, more reliable Preview UI, clearer data display, and reduced crash scenarios. Demonstrated technologies: Monaco Editor integration, React UI, robust error handling, and commit discipline.
September 2025
12 Commits • 7 Features
Sep 1, 2025September 2025: Focused on elevating query observability and UI usability in trinodb/trino by shipping new views (Query Stages, Stage Performance, Query Splits Timeline), refining the Preview vs Classic UI experience, and hardening the UI with essential fixes and dependency upgrades. Delivered granular stage-level statistics, flow diagrams, and per-task timelines to enable faster performance debugging and optimization. Fixed a timeline aggregation bug to ensure accurate task lists, and improved onboarding by defaulting to Preview UI, preserving bookmarks via URL, and upgrading UI dependencies for stability and faster iterations. These changes collectively improve operator visibility, reduce debugging time, and strengthen the product's value proposition for analytics workloads.
12 Commits • 7 Features
Sep 1, 2025September 2025: Focused on elevating query observability and UI usability in trinodb/trino by shipping new views (Query Stages, Stage Performance, Query Splits Timeline), refining the Preview vs Classic UI experience, and hardening the UI with essential fixes and dependency upgrades. Delivered granular stage-level statistics, flow diagrams, and per-task timelines to enable faster performance debugging and optimization. Fixed a timeline aggregation bug to ensure accurate task lists, and improved onboarding by defaulting to Preview UI, preserving bookmarks via URL, and upgrading UI dependencies for stability and faster iterations. These changes collectively improve operator visibility, reduce debugging time, and strengthen the product's value proposition for analytics workloads.
September 2025
August 2025
3 Commits • 1 Features
Aug 1, 2025August 2025: Delivered key UI enhancements to the Trino Web UI for the trinodb/trino repository, consolidating query observability with a JSON status tab, a Query References page listing referenced tables and routines, and a Live Plan visualization for real-time execution plans. These features improve debugging, query lineage visibility, and performance troubleshooting, delivered via Preview Web UI commits to accelerate feedback and adoption.
August 2025
3 Commits • 1 Features
Aug 1, 2025August 2025: Delivered key UI enhancements to the Trino Web UI for the trinodb/trino repository, consolidating query observability with a JSON status tab, a Query References page listing referenced tables and routines, and a Live Plan visualization for real-time execution plans. These features improve debugging, query lineage visibility, and performance troubleshooting, delivered via Preview Web UI commits to accelerate feedback and adoption.
March 2025
1 Commits • 1 Features
Mar 1, 2025March 2025 monthly summary for trinodb/trino focusing on delivering the Query Details Page feature and associated frontend/API work. The work centered on improving query observability, debugging efficiency, and user experience with a tabbed UI, a dedicated route, and API updates to fetch query status.
1 Commits • 1 Features
Mar 1, 2025March 2025 monthly summary for trinodb/trino focusing on delivering the Query Details Page feature and associated frontend/API work. The work centered on improving query observability, debugging efficiency, and user experience with a tabbed UI, a dedicated route, and API updates to fetch query status.
March 2025
February 2025
1 Commits • 1 Features
Feb 1, 2025February 2025, trinodb/trino: Key feature delivered: Query History in Trino Web UI. This release adds a persistent Query History view to view and filter past queries, enhances the dashboard with query statistics, and provides a dedicated component for detailed query information. It includes API definitions, UI components for displaying query lists, and utility functions for data formatting and state management. Commit reference: 882aa4454e2cb2afcaa3d6b9e4346b5b13c7e016. No major bugs fixed this month. Overall impact: improves visibility into query workloads, accelerates troubleshooting and optimization, supports auditability, and enables data-driven decisions. Technologies/skills demonstrated: API design, UI component development, data formatting utilities, and state management in web UI.
February 2025
1 Commits • 1 Features
Feb 1, 2025February 2025, trinodb/trino: Key feature delivered: Query History in Trino Web UI. This release adds a persistent Query History view to view and filter past queries, enhances the dashboard with query statistics, and provides a dedicated component for detailed query information. It includes API definitions, UI components for displaying query lists, and utility functions for data formatting and state management. Commit reference: 882aa4454e2cb2afcaa3d6b9e4346b5b13c7e016. No major bugs fixed this month. Overall impact: improves visibility into query workloads, accelerates troubleshooting and optimization, supports auditability, and enables data-driven decisions. Technologies/skills demonstrated: API design, UI component development, data formatting utilities, and state management in web UI.
January 2025
2 Commits • 2 Features
Jan 1, 2025January 2025 monthly summary for trinodb/trino focusing on frontend improvements and UI visibility enhancements. Implemented codebase cleanup and introduced a new Workers dashboard in the Preview Web UI, with clear alignment to design standards and improved operator visibility.
2 Commits • 2 Features
Jan 1, 2025January 2025 monthly summary for trinodb/trino focusing on frontend improvements and UI visibility enhancements. Implemented codebase cleanup and introduced a new Workers dashboard in the Preview Web UI, with clear alignment to design standards and improved operator visibility.
January 2025
October 2024
1 Commits • 1 Features
Oct 1, 2024Month 2024-10 focused on delivering a secure Preview Web UI authentication system for trinodb/trino, introducing multiple authentication types and user management features to strengthen access control and security for preview environments.
October 2024
1 Commits • 1 Features
Oct 1, 2024Month 2024-10 focused on delivering a secure Preview Web UI authentication system for trinodb/trino, introducing multiple authentication types and user management features to strengthen access control and security for preview environments.
September 2024
1 Commits • 1 Features
Sep 1, 2024Month: 2024-09 — Delivered a new Web Application Preview feature for trinodb/trino, introducing a Cluster Overview with sparklines to provide at-a-glance health metrics and visual data storytelling. This enhances operator monitoring and UX by enabling quick identification of cluster performance trends. No major bugs fixed this month; stability improvements were aligned with the feature rollout.
1 Commits • 1 Features
Sep 1, 2024Month: 2024-09 — Delivered a new Web Application Preview feature for trinodb/trino, introducing a Cluster Overview with sparklines to provide at-a-glance health metrics and visual data storytelling. This enhances operator monitoring and UX by enabling quick identification of cluster performance trends. No major bugs fixed this month; stability improvements were aligned with the feature rollout.
September 2024
Activity
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Quality Metrics
Correctness93.6%
Maintainability92.0%
Architecture89.0%
Performance85.8%
AI Usage21.8%
Skills & Technologies
Programming Languages
CSSHTMLJSONJavaJavaScriptMarkdownTypeScriptXMLYAML
Technical Skills
API IntegrationAPI integrationAutomationBackend DevelopmentCode Editor IntegrationConfiguration ManagementData VisualizationDependency ManagementDevOpsDocumentationError HandlingFront End DevelopmentFrontend DevelopmentJavaJavaScript
Repositories Contributed To
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