newrelic/newrelic-java-agent
Nov 2024 – Apr 2026
10 Months active
Languages Used
GradleJavaYAMLMarkdownGroovy
Technical Skills
Agent DevelopmentBuild ConfigurationDependency ManagementError HandlingJavaJava Development
Jason Keller
PROFILE
Jason Keller
Over ten months, contributed to the newrelic/newrelic-java-agent repository by delivering 21 features and resolving 10 bugs focused on observability, distributed tracing, and OpenTelemetry integration. Developed and refined Java agent instrumentation, enhanced configuration management, and improved logging and metrics pipelines to increase reliability and maintainability. Implemented region-aware ingestion endpoints, span link support, and standardized OTLP metrics export, while stabilizing test suites and addressing memory management issues. Leveraged Java, Gradle, and YAML to streamline backend development and CI/CD workflows. The work emphasized robust API design, targeted bug fixes, and comprehensive documentation to support production-grade monitoring and faster customer onboarding.
Overall Statistics
Feature vs Bugs
68%Features
Repository Contributions
63Total
Bugs
10
Commits
63
Features
21
Lines of code
635,972
Activity Months10
Your Network
20 peopleWork History
April 2026
2 Commits • 2 Features
Apr 1, 2026April 2026 — Delivered targeted enhancements to the New Relic Java Agent with a focus on configurability, release readiness, and roadmap alignment. Implemented a log level denylist in the agent YAML for finer control over forwarded logs and updated the 9.2.0 release notes to capture Java 26 support, AWS Lambda monitoring, and logging/metrics enhancements. The month emphasized stability, documentation, and maintainable defaults to support customers’ observability goals.
2 Commits • 2 Features
Apr 1, 2026April 2026 — Delivered targeted enhancements to the New Relic Java Agent with a focus on configurability, release readiness, and roadmap alignment. Implemented a log level denylist in the agent YAML for finer control over forwarded logs and updated the 9.2.0 release notes to capture Java 26 support, AWS Lambda monitoring, and logging/metrics enhancements. The month emphasized stability, documentation, and maintainable defaults to support customers’ observability goals.
April 2026
March 2026
4 Commits • 2 Features
Mar 1, 2026Concise monthly summary for 2026-03: OpenTelemetry integration and ingestion standardization for newrelic/newrelic-java-agent. Delivered two core features with focused bug fix, improving observability reliability, data consistency, and production readiness.
March 2026
4 Commits • 2 Features
Mar 1, 2026Concise monthly summary for 2026-03: OpenTelemetry integration and ingestion standardization for newrelic/newrelic-java-agent. Delivered two core features with focused bug fix, improving observability reliability, data consistency, and production readiness.
February 2026
5 Commits • 2 Features
Feb 1, 2026February 2026: Delivered two major capabilities for the Java agent that drive observability, regional reliability, and faster customer time-to-value: OpenTelemetry integration enhancements and region-aware ingestion endpoints. These changes enable default observability with configurable metrics, bolster region-based routing with region-aware URIs, and are backed by expanded test coverage and updated docs, improving reliability, onboarding, and operator confidence across regions.
5 Commits • 2 Features
Feb 1, 2026February 2026: Delivered two major capabilities for the Java agent that drive observability, regional reliability, and faster customer time-to-value: OpenTelemetry integration enhancements and region-aware ingestion endpoints. These changes enable default observability with configurable metrics, bolster region-based routing with region-aware URIs, and are backed by expanded test coverage and updated docs, improving reliability, onboarding, and operator confidence across regions.
February 2026
January 2026
9 Commits • 5 Features
Jan 1, 2026OpenTelemetry-focused pull of 2026-01: Delivered enhanced tracing fidelity and observability for the Java agent, stabilized Bridge API integration, and tightened licensing compliance. The work improves trace quality, diagnostics, and maintainability while reducing risk from in-flight changes.
January 2026
9 Commits • 5 Features
Jan 1, 2026OpenTelemetry-focused pull of 2026-01: Delivered enhanced tracing fidelity and observability for the Java agent, stabilized Bridge API integration, and tightened licensing compliance. The work improves trace quality, diagnostics, and maintainability while reducing risk from in-flight changes.
December 2025
22 Commits • 6 Features
Dec 1, 2025December 2025 highlights for newrelic-java-agent: Delivered foundational Span Link capabilities to improve cross-span correlation and observability, expanded API surface with getSpanLinks, and documented SpanLink usage. Implemented span link limit logging to surface observability metrics. Advanced SpanEvent core with prototype, start-time handling improvements, and associated tests. Addressed critical reliability issues across the tracing pipeline (NPEs in SpanEvent builder, MockTracer, FlyweightTraceMethodVisitor) and stabilized the test suite by mitigating race conditions and expanding coverage. Performed code cleanup to improve maintainability. These efforts enhanced traceability, reduced debugging time, and strengthened production reliability while showcasing Java tracing, instrumentation, and test automation skills.
22 Commits • 6 Features
Dec 1, 2025December 2025 highlights for newrelic-java-agent: Delivered foundational Span Link capabilities to improve cross-span correlation and observability, expanded API surface with getSpanLinks, and documented SpanLink usage. Implemented span link limit logging to surface observability metrics. Advanced SpanEvent core with prototype, start-time handling improvements, and associated tests. Addressed critical reliability issues across the tracing pipeline (NPEs in SpanEvent builder, MockTracer, FlyweightTraceMethodVisitor) and stabilized the test suite by mitigating race conditions and expanding coverage. Performed code cleanup to improve maintainability. These efforts enhanced traceability, reduced debugging time, and strengthened production reliability while showcasing Java tracing, instrumentation, and test automation skills.
December 2025
November 2025
5 Commits • 1 Features
Nov 1, 2025November 2025: OpenTelemetry integration enhancements for the New Relic Java agent in the newrelic/newrelic-java-agent repo. Focused on aligning the OpenTelemetry configuration with agent specifications, expanding signal coverage (metrics, logs, traces), and strengthening documentation and tests to improve usability and reliability. The work reduces integration friction and accelerates time-to-value for customers adopting OpenTelemetry with the Java agent. Impact: Improved observability signals, clearer configuration paths, and a more maintainable codebase for telemetry integration.
November 2025
5 Commits • 1 Features
Nov 1, 2025November 2025: OpenTelemetry integration enhancements for the New Relic Java agent in the newrelic/newrelic-java-agent repo. Focused on aligning the OpenTelemetry configuration with agent specifications, expanding signal coverage (metrics, logs, traces), and strengthening documentation and tests to improve usability and reliability. The work reduces integration friction and accelerates time-to-value for customers adopting OpenTelemetry with the Java agent. Impact: Improved observability signals, clearer configuration paths, and a more maintainable codebase for telemetry integration.
October 2025
5 Commits • 1 Features
Oct 1, 2025October 2025 monthly summary focusing on distributed tracing configurability and observability improvements in the Java agent. Implemented centralized SamplerConfig, modular refactors, unit tests, safer defaults for invalid config paths, and instrumentation cleanup. This work enhances trace reliability, reduces maintenance burden, and improves observability for faster troubleshooting and performance optimization.
5 Commits • 1 Features
Oct 1, 2025October 2025 monthly summary focusing on distributed tracing configurability and observability improvements in the Java agent. Implemented centralized SamplerConfig, modular refactors, unit tests, safer defaults for invalid config paths, and instrumentation cleanup. This work enhances trace reliability, reduces maintenance burden, and improves observability for faster troubleshooting and performance optimization.
October 2025
September 2025
3 Commits • 2 Features
Sep 1, 2025September 2025 monthly summary for the newrelic-java-agent focused on OpenTelemetry-based observability improvements. Delivered key features to standardize metrics export and enhance observability across the SDK integration. These changes reduce configuration complexity for customers, improve monitoring reliability, and enable faster triage of performance issues.
September 2025
3 Commits • 2 Features
Sep 1, 2025September 2025 monthly summary for the newrelic-java-agent focused on OpenTelemetry-based observability improvements. Delivered key features to standardize metrics export and enhance observability across the SDK integration. These changes reduce configuration complexity for customers, improve monitoring reliability, and enable faster triage of performance issues.
January 2025
2 Commits
Jan 1, 2025January 2025 performance summary for newrelic/newrelic-java-agent: Delivered stability and correctness improvements through targeted bug fixes in JFR event generation and HttpClient instrumentation, reinforcing reliability of telemetry signals and reducing runtime risk. Focused on two critical fixes with clear commit references to minimize downtime and improve observability data quality. Overall impact includes fewer telemetry errors, reduced memory retention risks in instrumentation pipelines, and steadier performance of the agent in production deployments. Technologies and skills demonstrated include Java instrumentation, JFR event handling, HttpClient 5.0 instrumentation, and memory management practices.
2 Commits
Jan 1, 2025January 2025 performance summary for newrelic/newrelic-java-agent: Delivered stability and correctness improvements through targeted bug fixes in JFR event generation and HttpClient instrumentation, reinforcing reliability of telemetry signals and reducing runtime risk. Focused on two critical fixes with clear commit references to minimize downtime and improve observability data quality. Overall impact includes fewer telemetry errors, reduced memory retention risks in instrumentation pipelines, and steadier performance of the agent in production deployments. Technologies and skills demonstrated include Java instrumentation, JFR event handling, HttpClient 5.0 instrumentation, and memory management practices.
January 2025
November 2024
6 Commits
Nov 1, 2024Month: 2024-11 | Repository: newrelic/newrelic-java-agent Key features delivered: - Instrumentation stability and reliability improvements for the Java agent. Cap lettuce-6.0 instrumentation at 6.5.0.RELEASE and cap kafka-clients-metrics-3.7.0 at 3.9.0 to align with stable versions, reducing runtime instability. (Commits: 24dcc2ec7e76a63ba8f64aad283ac01a6925fa12; 2f2810f13eef2275cb2684a172199f583f1b40a1) - Update of JFR daemon to 1.13.0 for improved observability and performance. (Commit: 236a057d45ec71bd6d24798f42c303fe795610cd) - Tests updated to reflect transitive Kotlin dependencies and to fix coverage gaps; simplified logging while preserving traceability. (Commits: 56abbecaa816aa079dc03eab2f883fef26e3b117; aa52824135f12773afa48ad3788a311d6cc12319; a3d40176142a44f0004ce14d95052576f98884f3) - Specific test fix for SourceLibraryDetectorTest to improve reliability. (Commit: 56abbecaa816aa079dc03eab2f883fef26e3b117) Major bugs fixed: - Stability and correctness improvements to the instrumentation framework reduced false positives and noise, improving overall reliability in production environments. - Reduced log noise while preserving traceability for important instrumentation events; updated exception logging to avoid emitting full stacks for expected exceptions (e.g., NPE in noticeTracer). - Resolved test flakiness and alignment issues related to transitive Kotlin dependencies, improving CI consistency. Overall impact and accomplishments: - This work delivers measurable business value by increasing the stability and reliability of production instrumentation, improving observability of Java applications, and reducing noise in logs that can obscure critical signals. Dependency alignment and targeted fixes also simplify future maintenance and upgrades. Technologies/skills demonstrated: - Java agent instrumentation and stability engineering - Dependency management and version pinning (Lettuce, Kafka clients, JFR) - Observability enhancements (JFR, improved logging, traceability) - Testing alignment and Kotlin interoperability - Bug fixing under CI/CD with targeted test fixes
November 2024
6 Commits
Nov 1, 2024Month: 2024-11 | Repository: newrelic/newrelic-java-agent Key features delivered: - Instrumentation stability and reliability improvements for the Java agent. Cap lettuce-6.0 instrumentation at 6.5.0.RELEASE and cap kafka-clients-metrics-3.7.0 at 3.9.0 to align with stable versions, reducing runtime instability. (Commits: 24dcc2ec7e76a63ba8f64aad283ac01a6925fa12; 2f2810f13eef2275cb2684a172199f583f1b40a1) - Update of JFR daemon to 1.13.0 for improved observability and performance. (Commit: 236a057d45ec71bd6d24798f42c303fe795610cd) - Tests updated to reflect transitive Kotlin dependencies and to fix coverage gaps; simplified logging while preserving traceability. (Commits: 56abbecaa816aa079dc03eab2f883fef26e3b117; aa52824135f12773afa48ad3788a311d6cc12319; a3d40176142a44f0004ce14d95052576f98884f3) - Specific test fix for SourceLibraryDetectorTest to improve reliability. (Commit: 56abbecaa816aa079dc03eab2f883fef26e3b117) Major bugs fixed: - Stability and correctness improvements to the instrumentation framework reduced false positives and noise, improving overall reliability in production environments. - Reduced log noise while preserving traceability for important instrumentation events; updated exception logging to avoid emitting full stacks for expected exceptions (e.g., NPE in noticeTracer). - Resolved test flakiness and alignment issues related to transitive Kotlin dependencies, improving CI consistency. Overall impact and accomplishments: - This work delivers measurable business value by increasing the stability and reliability of production instrumentation, improving observability of Java applications, and reducing noise in logs that can obscure critical signals. Dependency alignment and targeted fixes also simplify future maintenance and upgrades. Technologies/skills demonstrated: - Java agent instrumentation and stability engineering - Dependency management and version pinning (Lettuce, Kafka clients, JFR) - Observability enhancements (JFR, improved logging, traceability) - Testing alignment and Kotlin interoperability - Bug fixing under CI/CD with targeted test fixes
Activity
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Quality Metrics
Correctness94.0%
Maintainability91.4%
Architecture90.8%
Performance89.8%
AI Usage22.6%
Skills & Technologies
Programming Languages
GradleGroovyJavaMarkdownYAML
Technical Skills
API DevelopmentAPI IntegrationAPI designAWSAgent DevelopmentBackend DevelopmentBuild ConfigurationCode RefactoringConfiguration ManagementDebuggingDependency ManagementDistributed SystemsDistributed TracingDocumentationError Handling
Repositories Contributed To
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