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Karol Kotowicz

PROFILE

Karol Kotowicz

Over six months, contributed to the eclipse-tractusx/tractus-x-umbrella and tractusx-edc repositories by building and refining observability and monitoring features. Delivered end-to-end tracing, log aggregation, and metrics collection using Java, Helm, and OpenTelemetry, enabling actionable dashboards in Grafana and Prometheus. Introduced structured JSON logging and integrated Log4j2 with OpenTelemetry to support advanced log routing and unified tracing. Addressed configuration and deployment issues to ensure reliable metric scraping and consistent observability across components. Enhanced documentation and maintained Helm charts and Gradle dependencies, supporting maintainable, TAP 7.2-aligned observability pipelines that improve system visibility, troubleshooting, and operational readiness.

Overall Statistics

Feature vs Bugs

71%Features

Repository Contributions

8Total
Bugs
2
Commits
8
Features
5
Lines of code
1,604
Activity Months6

Your Network

36 people

Work History

October 2025

1 Commits • 1 Features

Oct 1, 2025

October 2025 performance summary for eclipse-tractusx/tractus-x-umbrella focused on enhancing observability through OpenTelemetry integration with Log4j2. Implemented separate logging streams for console output and OTEL, enabling Prometheus and Loki integrations. Updated observability configuration to support JSON logging and defined OTEL appender configuration, aligning with TAP 7.2 observability goals.

August 2025

2 Commits • 1 Features

Aug 1, 2025

August 2025 monthly summary focused on strengthening observability reliability and enabling unified tracing/logging across umbrella and edc projects. Delivered a targeted fix for observability deployment and introduced OpenTelemetry-based logging enhancements with BOM/catalog updates to support ongoing observability improvements.

July 2025

2 Commits • 1 Features

Jul 1, 2025

July 2025 monthly summary for eclipse-tractusx/tractusx-edc. Focused on delivering observability improvements through the OpenTelemetry OTEL Event Subscriber Extension, with minimal footprint and clear documentation. The extension enables optional sending of domain event logs to an OTEL collector, with Java classes and configurations included and observability active when enabled.

June 2025

1 Commits • 1 Features

Jun 1, 2025

June 2025 monthly summary for eclipse-tractusx/tractus-x-umbrella: Key feature delivered: Structured JSON Logging for Grafana Dashboards. This feature transforms plain text logs into JSON objects to enable flexible Grafana dashboards and includes a Chart.yaml update to bump the OpenTelemetry collector version for compatibility with the new logging format. Impact: improved observability, faster troubleshooting, and data-driven monitoring through richer dashboards. Bugs fixed: No major bugs fixed this month. Skills/Tech: JSON logging, OpenTelemetry integration, Grafana dashboards, YAML/Chart.yaml versioning, and repository maintenance.

May 2025

1 Commits

May 1, 2025

May 2025: Focused on observability stabilization in the umbrella repository, delivering a critical fix for Prometheus port alignment on JVM metrics and updating umbrella-chart reference to reflect the change. This patch ensures consistent metric scraping across adopter data exchange observability and the tx-data-provider, reducing misconfigurations and supporting reliable dashboards.

April 2025

1 Commits • 1 Features

Apr 1, 2025

April 2025 — Delivered Observability and Monitoring Integration for eclipse-tractusx/tractus-x-umbrella, enabling end-to-end tracing, log aggregation, metrics collection, and Grafana dashboards to monitor EDC components and improve visibility into system behavior and performance. This supports faster diagnosis and proactive performance tuning, aligning with TAP 7.2 observability requirements. No major bugs fixed this month. Impact: higher reliability, quicker MTTR, and actionable visibility for capacity planning and performance tuning.

Activity

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Quality Metrics

Correctness86.2%
Maintainability86.2%
Architecture83.8%
Performance75.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

GradleGradle Kotlin DSLJavaMarkdownYAMLyaml

Technical Skills

Backend DevelopmentConfiguration ManagementDependency ManagementDevOpsDocumentationEvent HandlingGradleHelmHelm ChartsJavaKubernetesLoggingObservabilityOpenTelemetry

Repositories Contributed To

2 repos

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

eclipse-tractusx/tractus-x-umbrella

Apr 2025 Oct 2025
5 Months active

Languages Used

YAMLyaml

Technical Skills

DevOpsHelmKubernetesObservabilityConfiguration ManagementHelm Charts

eclipse-tractusx/tractusx-edc

Jul 2025 Aug 2025
2 Months active

Languages Used

GradleJavaMarkdownGradle Kotlin DSL

Technical Skills

Backend DevelopmentDocumentationEvent HandlingJavaObservabilityOpenTelemetry