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Tomasz Gawęda

PROFILE

Tomasz Gawęda

Tomasz Gaweda enhanced the hazelcast/hz-docs repository by delivering nine features focused on documentation, configuration management, and database integration. He improved installation and upgrade guidance, clarified release governance, and strengthened compatibility documentation for JDK 24 and Spring Boot integrations. Using Java, YAML, and AsciiDoc, Tomasz addressed onboarding friction by detailing system prerequisites, dependency installation, and best practices for Change Data Capture with PostgreSQL Debezium. His work included technical writing on REST API configuration and Spring Data exposure, ensuring documentation accuracy and maintainability. The depth of his contributions reduced support queries and enabled smoother deployment and upgrade experiences for Hazelcast users.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

10Total
Bugs
0
Commits
10
Features
9
Lines of code
474
Activity Months6

Work History

September 2025

4 Commits • 3 Features

Sep 1, 2025

September 2025 monthly summary for hazelcast/hz-docs focusing on documentation updates that introduce new features and improve correctness across the docs surface. Emphasizes business value, onboarding clarity, and maintainability of documentation.

August 2025

1 Commits • 1 Features

Aug 1, 2025

August 2025 monthly summary for hazelcast/hz-docs focused on documentation improvements for PostgreSQL Debezium connector, addressing known issues and guidance to reduce misconfigurations and ensure reliable concurrent jobs.

May 2025

1 Commits • 1 Features

May 1, 2025

May 2025 focused on strengthening JDK 24 compatibility guidance in hz-docs. Delivered a targeted documentation update for the HD Memory usage warning related to JEP 498, including a recommended JVM parameter to mitigate false HD memory warnings and guidance on potential compatibility issues. This work helps users upgrade to JDK 24 with clearer expectations and fewer disruptions, reducing support friction and improving onboarding for new JDK versions. No code changes were required; the effort largely elevated documentation quality and user guidance across Hazelcast's documentation site.

March 2025

1 Commits • 1 Features

Mar 1, 2025

In March 2025, contributed to hazelcast/hz-docs by improving the Hazelcast installation documentation to reduce onboarding friction and installation errors. The changes introduce explicit dependency guidance for both Debian-based and RPM-based systems, and include practical commands to install wget, gpg, and coreutils on Debian-based systems and wget on RPM-based systems. This update increases accuracy, speeds up deploy-time setup, and reduces common support inquiries related to missing prerequisites.

February 2025

2 Commits • 2 Features

Feb 1, 2025

February 2025 monthly summary: Delivered targeted documentation updates across Hazelcast docs repositories to improve developer onboarding and upgrade reliability. Key features delivered include updated microservices prerequisites documentation (Java 17+ and Maven 3.8+) and a cautionary notice on UCN object refresh behavior. There were no major bug fixes tracked this month; focus was on documentation accuracy, risk mitigation, and cross-repo consistency. These changes reduce deployment issues, improve upgrade paths, and empower users with clearer guidance. Technologies demonstrated include documentation tooling, version control, cross-repo collaboration, and technical writing.

November 2024

1 Commits • 1 Features

Nov 1, 2024

Month: 2024-11 — hz-docs focused on clarifying OSS/EE release governance by removing snapshot references and establishing stable release guidance. Delivered documentation and guidance improvements to align OSS with stable releases, and introduced version properties to support stable deployment paths across OSS and EE. These changes formalize release governance, reduce customer confusion, and set the foundation for smoother upgrade experiences.

Activity

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Quality Metrics

Correctness98.0%
Maintainability98.0%
Architecture98.0%
Performance96.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

AsciiDocJavaXMLYAMLadocbashxml

Technical Skills

Change Data Capture (CDC)ConfigurationConfiguration ManagementDatabase IntegrationDocumentationHazelcastSpring BootTechnical Writingdocumentation

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

hazelcast/hz-docs

Nov 2024 Sep 2025
6 Months active

Languages Used

adocbashxmlJavaAsciiDocXMLYAML

Technical Skills

Configuration ManagementDocumentationTechnical WritingdocumentationChange Data Capture (CDC)Database Integration

hazelcast/hazelcast-docs

Feb 2025 Feb 2025
1 Month active

Languages Used

adoc

Technical Skills

documentation

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