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Gergely Kalapos

PROFILE

Gergely Kalapos

Gergo Kalapos developed and enhanced observability pipelines across the elastic/opentelemetry-collector-components and elastic/elasticsearch repositories, focusing on robust data transformation and integration between Elastic APM and OpenTelemetry. He engineered features such as the ElasticAPM processor, enabling unified enrichment of traces, logs, and metrics, and implemented schema-driven mapping for geographic and profiling data. Using Go, YAML, and Makefile, Gergo refactored receiver logic, improved error handling, and streamlined configuration management to support maintainable, test-driven workflows. His work addressed migration paths, deprecation strategies, and data correctness, resulting in reliable, extensible telemetry systems that facilitate analytics, diagnostics, and seamless customer onboarding.

Overall Statistics

Feature vs Bugs

64%Features

Repository Contributions

23Total
Bugs
8
Commits
23
Features
14
Lines of code
10,696
Activity Months9

Work History

October 2025

4 Commits • 2 Features

Oct 1, 2025

October 2025 monthly summary focused on reducing maintenance burden, enabling smoother migrations, and enhancing metadata accuracy across Elastic Agent and the OpenTelemetry Collector components. Delivered deprecation-forwarding paths with clear migration guidance, updated dependencies, and improvements to label handling and metadata enrichment to balance stability with progress.

September 2025

4 Commits • 2 Features

Sep 1, 2025

September 2025 monthly summary for developer work across elastic/opentelemetry-collector-components and elastic-agent. Highlights include delivering a streamlined tracing pipeline by removing the ElasticTrace processor, fixing data correctness issues in APM spans, and upgrading to the new elasticapm processor in EDOT to extend support to logs and metrics. These changes reduce runtime errors, improve trace integrity, and prepare customers for a config-driven migration.

August 2025

3 Commits • 1 Features

Aug 1, 2025

August 2025 monthly summary focusing on delivering reliability and clarity across Elastic APM ingestion paths and Elasticsearch data templates. Highlights include bug fixes to the Elastic APM Intake Receiver, documentation improvements, and data template maintenance that collectively reduce ingestion errors, improve onboarding, and enhance maintainability.

July 2025

2 Commits • 1 Features

Jul 1, 2025

July 2025: Delivered the ElasticAPM Processor expansion and reintroduction in elastic/opentelemetry-collector-components, enabling cross-domain enrichment across traces, logs, and metrics with ECS compatibility and an improved metadata translation layer. Implemented a new config/factory to support consistent deployment and observability improvements, and established a deprecation-friendly path from the legacy ElasticTrace processor to ease migrations for users. This work strengthens observability coverage, reduces fragmentation, and accelerates onboarding for users adopting Elastic APM workflows. Two commits underpinning this effort: - c0ab45d18bb29aa5b6c8dc91bd5e73211dae08b7: Rename elastictrace processor to elasticapm and extend to logs and metrics (#634) - 20bd693fcdd52f7d36da5bd38255dc9cc3794196: Adding back elastictrace processor for smooth deprecation (#665)

June 2025

1 Commits • 1 Features

Jun 1, 2025

June 2025 – Monthly summary for elastic/opentelemetry-collector-components. Key features delivered: - APM Metrics Support and Translation to OpenTelemetry: added mapping of Elastic APM breakdown metrics to OpenTelemetry metrics, refactored the receiver logic to translate Elastic APM metric data into OpenTelemetry metrics, including handling for span breakdown metrics and various metric types (counters, gauges). Updated tests and test data to cover the new translation paths. Major bugs fixed: - No major defects reported this month; focus remained on feature enablement and test coverage. Overall impact and accomplishments: - Enabled observability pipelines to ingest Elastic APM data directly as OpenTelemetry metrics, improving consistency across telemetry pipelines, accelerating migration paths, and enabling richer dashboards. The receiver refactor reduces maintenance burden and improves reliability of metric translation. Technologies/skills demonstrated: - OpenTelemetry concepts and data model, Elastic APM integration, Go-based receiver logic, metrics translation, and test-driven development with comprehensive test data updates.

April 2025

4 Commits • 3 Features

Apr 1, 2025

April 2025 monthly summary: Delivered measurable enhancements across Elasticsearch observability and OpenTelemetry components, focusing on profiling traceability, error-to-log mapping, and robust span ID handling. Implemented structural build changes to simplify tooling and improve maintainability. These efforts enable faster diagnostics, richer analytics, and more reliable data pipelines.

March 2025

3 Commits • 2 Features

Mar 1, 2025

March 2025: Focused enhancements and reliability improvements for elastic/opentelemetry-collector-components. Key features include mapping service language and capturing telemetry language details in the Elastic APM receiver, while timing accuracy and consistency were improved for IntakeV2 through microsecond handling fixes and a refactor to use OpenTelemetry attribute constants. These changes improve telemetry precision, data normalization, and alignment with OpenTelemetry conventions, enabling downstream analytics and monitoring teams to rely on consistent language attribution and timing data.

February 2025

1 Commits • 1 Features

Feb 1, 2025

February 2025 performance summary for elastic/opentelemetry-collector-components: Implemented Elastic APM receiver integration to convert Elastic APM transactions and spans into OpenTelemetry traces. Delivered robust mapping logic to align Elastic APM data structures with OpenTelemetry semantic conventions, backed by extensive tests and repository updates to integrate the new receiver. This work enhances observability interoperability, reduces data wrangling for customers, and broadens the collector's interoperability with Elastic APM ecosystems.

November 2024

1 Commits • 1 Features

Nov 1, 2024

Monthly work summary for 2024-11: Focused on delivering a new Geographical Attribute Registry and Location Data feature for the semantic-conventions repository, with supporting docs and configuration to standardize geo attributes. The work enhances data quality, consistency, and downstream analytics by enabling structured geographic information across attributes.

Activity

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Quality Metrics

Correctness94.8%
Maintainability91.8%
Architecture91.8%
Performance87.8%
AI Usage25.2%

Skills & Technologies

Programming Languages

GoMakefileMarkdownYAMLyaml

Technical Skills

API DevelopmentAPI IntegrationAPMAttribute MappingBackend DevelopmentBuild System ConfigurationCode RefactoringComponent RemovalConfiguration ManagementData MappingData ProcessingData TransformationDependency ManagementDeprecation StrategyDistributed Tracing

Repositories Contributed To

4 repos

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

elastic/opentelemetry-collector-components

Feb 2025 Oct 2025
8 Months active

Languages Used

GoYAMLMarkdownMakefile

Technical Skills

Data TransformationElastic APMGo DevelopmentOpenTelemetryReceiver DevelopmentAPI Integration

elastic/elasticsearch

Apr 2025 Aug 2025
2 Months active

Languages Used

YAML

Technical Skills

Elasticsearchdata modelingtestingbackend developmentconfiguration management

elastic/elastic-agent

Sep 2025 Oct 2025
2 Months active

Languages Used

GoYAML

Technical Skills

Configuration ManagementDependency ManagementElastic APMOpenTelemetryGo Modules

open-telemetry/semantic-conventions

Nov 2024 Nov 2024
1 Month active

Languages Used

yaml

Technical Skills

DocumentationSchema Definition

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