cloudflare/cloudflare-docs
Sep 2025 – Feb 2026
5 Months active
Languages Used
BashJavaScriptMarkdownPropertiesSQLSVGYAMLPython
Technical Skills
Apache IcebergApache TrinoCLI ToolsCloudflare R2Data CatalogingData Engineering
Marc Selwan
PROFILE
Marc Selwan
Marc contributed to the cloudflare/cloudflare-docs repository by developing and enhancing documentation and features for the R2 Data Catalog and R2 SQL. Over five months, Marc delivered integrations such as Apache Trino connectivity, aggregation support for Apache Iceberg tables, and approximate analytics functions, using Python, SQL, and Markdown. His work included improving onboarding guides, clarifying API token requirements, and automating documentation governance with CODEOWNERS. By focusing on data management, technical writing, and cross-team collaboration, Marc addressed operational efficiency, security, and maintainability. The depth of his contributions ensured robust, user-focused documentation and streamlined workflows for data engineering and analytics teams.
Overall Statistics
Feature vs Bugs
89%Features
Repository Contributions
10Total
Bugs
1
Commits
10
Features
8
Lines of code
3,516
Activity Months5
Your Network
512 peopleWork History
February 2026
3 Commits • 2 Features
Feb 1, 2026February 2026 performance summary for cloudflare/cloudflare-docs focused on delivering governance-enabled documentation and analytics enhancements for R2. Highlights include consolidated R2 documentation with CODEOWNERS, and the rollout of R2 SQL approximate aggregation functions with supporting details and quality fixes.
3 Commits • 2 Features
Feb 1, 2026February 2026 performance summary for cloudflare/cloudflare-docs focused on delivering governance-enabled documentation and analytics enhancements for R2. Highlights include consolidated R2 documentation with CODEOWNERS, and the rollout of R2 SQL approximate aggregation functions with supporting details and quality fixes.
February 2026
January 2026
1 Commits • 1 Features
Jan 1, 2026Monthly summary for 2026-01 focusing on delivering documentation enhancements for the R2 Data Catalog in cloudflare/cloudflare-docs. The work improves snapshot expiration guidance, automatic table maintenance notes, and clarifications on API token requirements, with Wrangler compatibility context.
January 2026
1 Commits • 1 Features
Jan 1, 2026Monthly summary for 2026-01 focusing on delivering documentation enhancements for the R2 Data Catalog in cloudflare/cloudflare-docs. The work improves snapshot expiration guidance, automatic table maintenance notes, and clarifications on API token requirements, with Wrangler compatibility context.
December 2025
2 Commits • 2 Features
Dec 1, 2025December 2025: Cloudflare Docs development highlights focusing on expanding R2 SQL capabilities and strengthening data management docs. Delivered aggregation support in R2 SQL for Apache Iceberg tables (COUNT, SUM, AVG, MIN, MAX), with enhanced schema discovery and updated user-facing documentation. Published data deletion safety guidance for the R2 Data Catalog and expanded table maintenance docs to cover automatic snapshot expiration and data compaction. This work improves analytics capabilities, reduces risk of data corruption, and clarifies maintenance workflows for customers. Technical highlights include R2 SQL enhancements, Iceberg integration, and documentation automation.
2 Commits • 2 Features
Dec 1, 2025December 2025: Cloudflare Docs development highlights focusing on expanding R2 SQL capabilities and strengthening data management docs. Delivered aggregation support in R2 SQL for Apache Iceberg tables (COUNT, SUM, AVG, MIN, MAX), with enhanced schema discovery and updated user-facing documentation. Published data deletion safety guidance for the R2 Data Catalog and expanded table maintenance docs to cover automatic snapshot expiration and data compaction. This work improves analytics capabilities, reduces risk of data corruption, and clarifies maintenance workflows for customers. Technical highlights include R2 SQL enhancements, Iceberg integration, and documentation automation.
December 2025
October 2025
1 Commits
Oct 1, 2025October 2025 monthly summary for cloudflare/cloudflare-docs: Focused on R2-related documentation improvements to improve security posture, reduce misconfigurations, and accelerate developer onboarding. Delivered critical permissions corrections for R2 SQL API tokens, added practical Trino connection guidance to the R2 Data Catalog docs, and applied code-review-driven markdown enhancements to improve clarity and maintainability. These changes reduce support overhead and help teams securely enable R2 data access across storage, catalog, and SQL workflows.
October 2025
1 Commits
Oct 1, 2025October 2025 monthly summary for cloudflare/cloudflare-docs: Focused on R2-related documentation improvements to improve security posture, reduce misconfigurations, and accelerate developer onboarding. Delivered critical permissions corrections for R2 SQL API tokens, added practical Trino connection guidance to the R2 Data Catalog docs, and applied code-review-driven markdown enhancements to improve clarity and maintainability. These changes reduce support overhead and help teams securely enable R2 data access across storage, catalog, and SQL workflows.
September 2025
3 Commits • 3 Features
Sep 1, 2025September 2025: Delivered three major features in cloudflare-docs focused on R2 Data Catalog. The updates enhance user onboarding, operational efficiency, and SQL-based access to the R2 Data Catalog. Efforts centered on documentation, tooling, and getting-started experiences, with collaborative reviews to ensure quality. No major bugs fixed this month; emphasis was on feature docs, usage guidance, and platform getting-started workflows.
3 Commits • 3 Features
Sep 1, 2025September 2025: Delivered three major features in cloudflare-docs focused on R2 Data Catalog. The updates enhance user onboarding, operational efficiency, and SQL-based access to the R2 Data Catalog. Efforts centered on documentation, tooling, and getting-started experiences, with collaborative reviews to ensure quality. No major bugs fixed this month; emphasis was on feature docs, usage guidance, and platform getting-started workflows.
September 2025
Activity
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Quality Metrics
Correctness98.0%
Maintainability92.0%
Architecture94.0%
Performance92.0%
AI Usage28.0%
Skills & Technologies
Programming Languages
BashJavaScriptMarkdownPropertiesPythonSQLSVGYAML
Technical Skills
API integrationApache IcebergApache TrinoCLI ToolsCloudflare R2Data CatalogingData EngineeringDatabase ConfigurationDocumentationPySparkSQLTechnical Writingcloud servicescollaborationdata analysis
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline