rabbitmq/rabbitmq-server
Oct 2024 – May 2026
17 Months active
Languages Used
ErlangYAMLElixirMakefileBatchHTMLJavaScriptMarkdown
Technical Skills
CI/CDContinuous IntegrationDevOpsErlangTestingYAML
Loïc Hoguin
PROFILE
Loïc Hoguin
Worked extensively on the rabbitmq/rabbitmq-server repository, delivering features and fixes that improved reliability, security, and maintainability across distributed messaging systems. Focused on backend development using Erlang and Elixir, this engineer enhanced CI/CD pipelines, modernized build systems with Makefile scripting, and optimized message queuing performance. They implemented adaptive buffering, rolling upgrade support, and security hardening by default-denying legacy features. Their work included protocol modernization, Windows compatibility improvements, and expanded test automation for mixed-version and cross-platform validation. By streamlining dependency management and refining API endpoints, they enabled safer upgrades, reduced operational risk, and ensured robust, observable message delivery in production environments.
Overall Statistics
Feature vs Bugs
70%Features
Repository Contributions
89Total
Bugs
14
Commits
89
Features
32
Lines of code
23,319
Activity Months17
Your Network
386 peopleSame Organization
@broadcom.com322
Shared Repositories
64
Work History
May 2026
1 Commits • 1 Features
May 1, 2026May 2026 monthly summary for rabbitmq-server focused on dependency upgrades and build/configuration improvements. Upgraded core components to latest compatible versions and streamlined build definitions to support amqp10_client usage. No major bugs fixed this month; the efforts centered on stability, compatibility, and maintainability to reduce future upgrade friction and improve performance.
1 Commits • 1 Features
May 1, 2026May 2026 monthly summary for rabbitmq-server focused on dependency upgrades and build/configuration improvements. Upgraded core components to latest compatible versions and streamlined build definitions to support amqp10_client usage. No major bugs fixed this month; the efforts centered on stability, compatibility, and maintainability to reduce future upgrade friction and improve performance.
May 2026
March 2026
6 Commits • 3 Features
Mar 1, 2026March 2026 monthly summary for rabbitmq-server focusing on business value and technical achievements. Key changes delivered tighten default behavior for transient queues, streamline build/test infrastructure, and simplify the alarm system, improving reliability, maintainability, and release readiness.
March 2026
6 Commits • 3 Features
Mar 1, 2026March 2026 monthly summary for rabbitmq-server focusing on business value and technical achievements. Key changes delivered tighten default behavior for transient queues, streamline build/test infrastructure, and simplify the alarm system, improving reliability, maintainability, and release readiness.
February 2026
6 Commits • 5 Features
Feb 1, 2026February 2026 monthly summary for rabbitmq-server. Focused on security hardening by default-deny for key features, deprecation of legacy options, and substantial test-suite optimization to accelerate feedback and improve CI reliability. Delivered five principal changes across the security and test-automation domains, with commits linked to each delivery.
6 Commits • 5 Features
Feb 1, 2026February 2026 monthly summary for rabbitmq-server. Focused on security hardening by default-deny for key features, deprecation of legacy options, and substantial test-suite optimization to accelerate feedback and improve CI reliability. Delivered five principal changes across the security and test-automation domains, with commits linked to each delivery.
February 2026
January 2026
15 Commits • 2 Features
Jan 1, 2026January 2026 monthly summary for rabbitmq-server: Delivered test framework and maintenance work that substantially improve test reliability, speed, and coverage. Key features include enabling a peer-to-peer node startup for tests to gain better control and faster feedback, and introducing mixed-version testing support via SECONDARY_DIST_VSN for broader validation. Major bug fixes focused on cross-node timeout handling aligned with net_ticktime and multiple CI/test reliability improvements (SSL generation isolation, improved CI annotations, and removal of legacy build code). Overall impact: faster, more deterministic test runs, reduced multi-node timeouts, and expanded validation across RabbitMQ versions, enabling safer, earlier releases. Technologies/skills demonstrated: Erlang/OTP test framework enhancements, test helper refactors, environment-driven distribution testing, Meck-based test setup, and robust CI/Build hygiene (Bazel/Makefile cleanup, SSL isolation, failure handling).
January 2026
15 Commits • 2 Features
Jan 1, 2026January 2026 monthly summary for rabbitmq-server: Delivered test framework and maintenance work that substantially improve test reliability, speed, and coverage. Key features include enabling a peer-to-peer node startup for tests to gain better control and faster feedback, and introducing mixed-version testing support via SECONDARY_DIST_VSN for broader validation. Major bug fixes focused on cross-node timeout handling aligned with net_ticktime and multiple CI/test reliability improvements (SSL generation isolation, improved CI annotations, and removal of legacy build code). Overall impact: faster, more deterministic test runs, reduced multi-node timeouts, and expanded validation across RabbitMQ versions, enabling safer, earlier releases. Technologies/skills demonstrated: Erlang/OTP test framework enhancements, test helper refactors, environment-driven distribution testing, Meck-based test setup, and robust CI/Build hygiene (Bazel/Makefile cleanup, SSL isolation, failure handling).
December 2025
7 Commits • 3 Features
Dec 1, 2025December 2025 monthly summary for rabbitmq-server: Delivered a focused set of features and reliability improvements that strengthen upgrade safety, broaden user-managed queue visibility, modernize the protocol stack, and improve cross‑platform stability. The work enhances business value by reducing upgrade risk, improving observability, and ensuring more reliable message delivery across environments.
7 Commits • 3 Features
Dec 1, 2025December 2025 monthly summary for rabbitmq-server: Delivered a focused set of features and reliability improvements that strengthen upgrade safety, broaden user-managed queue visibility, modernize the protocol stack, and improve cross‑platform stability. The work enhances business value by reducing upgrade risk, improving observability, and ensuring more reliable message delivery across environments.
December 2025
November 2025
20 Commits • 4 Features
Nov 1, 2025November 2025 Monthly Summary for rabbitmq/rabbitmq-server focusing on delivered value, reliability, and performance improvements.
November 2025
20 Commits • 4 Features
Nov 1, 2025November 2025 Monthly Summary for rabbitmq/rabbitmq-server focusing on delivered value, reliability, and performance improvements.
October 2025
11 Commits • 4 Features
Oct 1, 2025Concise monthly summary for 2025-10 focusing on stability, maintainability, and performance improvements in rabbitmq-server. Delivered CI reliability enhancements, test crash handling to prevent false positives, test suite hygiene improvements, UTF-8 validation cleanup, CQv1 removal with CQv2 migration, code cleanup removing dead code, and a Cowboy upgrade for HTTP/2 Websockets stability. These changes reduce false failures, streamline data conversions, simplify code paths, and improve runtime stability.
11 Commits • 4 Features
Oct 1, 2025Concise monthly summary for 2025-10 focusing on stability, maintainability, and performance improvements in rabbitmq-server. Delivered CI reliability enhancements, test crash handling to prevent false positives, test suite hygiene improvements, UTF-8 validation cleanup, CQv1 removal with CQv2 migration, code cleanup removing dead code, and a Cowboy upgrade for HTTP/2 Websockets stability. These changes reduce false failures, streamline data conversions, simplify code paths, and improve runtime stability.
October 2025
September 2025
7 Commits • 2 Features
Sep 1, 2025Concise monthly summary for 2025-09 focusing on features and bugs delivered for rabbitmq-server, with clear business value and technical impact.
September 2025
7 Commits • 2 Features
Sep 1, 2025Concise monthly summary for 2025-09 focusing on features and bugs delivered for rabbitmq-server, with clear business value and technical impact.
July 2025
1 Commits
Jul 1, 2025July 2025 monthly summary focused on reliability improvements for Windows deployments in rabbitmq-server. Implemented a Windows-specific retry mechanism for opening write files of the classic queue store index to address intermittent EACCES errors. The retry logic uses an open_eventually pattern to handle DELETE PENDING transient states, reducing startup and message publish failures on Windows and improving overall queue reliability across environments.
1 Commits
Jul 1, 2025July 2025 monthly summary focused on reliability improvements for Windows deployments in rabbitmq-server. Implemented a Windows-specific retry mechanism for opening write files of the classic queue store index to address intermittent EACCES errors. The retry logic uses an open_eventually pattern to handle DELETE PENDING transient states, reducing startup and message publish failures on Windows and improving overall queue reliability across environments.
July 2025
June 2025
1 Commits
Jun 1, 2025June 2025 monthly summary for rabbitmq-server: Reliability improvement focused on Windows file I/O during the flush path. Implemented a retry mechanism (open_eventually) for opening write files to address EACCES errors caused by files in the DELETE PENDING state, improving robustness of the write/flush flow.
June 2025
1 Commits
Jun 1, 2025June 2025 monthly summary for rabbitmq-server: Reliability improvement focused on Windows file I/O during the flush path. Implemented a retry mechanism (open_eventually) for opening write files to address EACCES errors caused by files in the DELETE PENDING state, improving robustness of the write/flush flow.
May 2025
1 Commits • 1 Features
May 1, 2025May 2025 Monthly Summary for rabbitmq/rabbitmq-server: Delivered Shared Store Delete Optimization and Garbage Collection Prioritization to optimize storage cost and GC efficiency in the shared storage subsystem. The changes enable deleting messages from the index at the earliest safe moment (on direct removal or file rollover), eliminating unnecessary full index scans, and prioritizing delete paths during garbage collection to avoid extra file compactions. Result: lower storage I/O, reduced CPU usage during high-deletion workloads, and improved throughput and latency under churn while preserving correctness and observability.
1 Commits • 1 Features
May 1, 2025May 2025 Monthly Summary for rabbitmq/rabbitmq-server: Delivered Shared Store Delete Optimization and Garbage Collection Prioritization to optimize storage cost and GC efficiency in the shared storage subsystem. The changes enable deleting messages from the index at the earliest safe moment (on direct removal or file rollover), eliminating unnecessary full index scans, and prioritizing delete paths during garbage collection to avoid extra file compactions. Result: lower storage I/O, reduced CPU usage during high-deletion workloads, and improved throughput and latency under churn while preserving correctness and observability.
May 2025
April 2025
2 Commits • 1 Features
Apr 1, 2025April 2025 monthly summary for rabbitmq-server focusing on security-enhancing feature delivery, reliability improvements, and strengthened test coverage. Delivered a configurable access control gate for API/CLI description pages, improved crash resilience in the message store under fanout scenarios, and expanded test coverage to prevent regressions. Result: increased security, higher reliability in high-throughput messaging, and clearer risk mitigation for production deployments.
April 2025
2 Commits • 1 Features
Apr 1, 2025April 2025 monthly summary for rabbitmq-server focusing on security-enhancing feature delivery, reliability improvements, and strengthened test coverage. Delivered a configurable access control gate for API/CLI description pages, improved crash resilience in the message store under fanout scenarios, and expanded test coverage to prevent regressions. Result: increased security, higher reliability in high-throughput messaging, and clearer risk mitigation for production deployments.
March 2025
3 Commits • 2 Features
Mar 1, 2025Month: 2025-03. This period focused on building a more reliable, cross-platform RabbitMQ server baseline by modernizing the build system, improving API error handling, and fixing Windows scripting issues. Key decisions included upgrading Erlang.mk to support a new ERLANG_MK_VERSION, adding a dependency Makefile presence check, and refining Elixir library path detection to accommodate different installation types. The management API was updated to standardize 404 responses and provide more specific messages for exchanges and queues. A Windows CLI invocation bug was fixed by correcting the main module reference to Elixir.RabbitMQCtl across multiple scripts. These changes improve developer productivity, reduce runtime errors, and enhance operator experience across environments.
3 Commits • 2 Features
Mar 1, 2025Month: 2025-03. This period focused on building a more reliable, cross-platform RabbitMQ server baseline by modernizing the build system, improving API error handling, and fixing Windows scripting issues. Key decisions included upgrading Erlang.mk to support a new ERLANG_MK_VERSION, adding a dependency Makefile presence check, and refining Elixir library path detection to accommodate different installation types. The management API was updated to standardize 404 responses and provide more specific messages for exchanges and queues. A Windows CLI invocation bug was fixed by correcting the main module reference to Elixir.RabbitMQCtl across multiple scripts. These changes improve developer productivity, reduce runtime errors, and enhance operator experience across environments.
March 2025
February 2025
3 Commits • 2 Features
Feb 1, 2025February 2025 performance summary for rabbitmq/rabbitmq-server. Key features delivered include adaptive buffering for the rabbit_reader component and core library upgrades, along with a critical storage cleanup bug fix for large messages. These changes improved throughput and memory efficiency, disk-space utilization, and compatibility/testing coverage.
February 2025
3 Commits • 2 Features
Feb 1, 2025February 2025 performance summary for rabbitmq/rabbitmq-server. Key features delivered include adaptive buffering for the rabbit_reader component and core library upgrades, along with a critical storage cleanup bug fix for large messages. These changes improved throughput and memory efficiency, disk-space utilization, and compatibility/testing coverage.
December 2024
2 Commits • 1 Features
Dec 1, 2024December 2024 performance summary: Implemented native Elixir support in the Erlang.mk-based build system for rabbitmq-server CLI, replacing the previous Mix-based CLI compilation. This streamlines the build and dependency handling, reduces complexity, and improves maintainability of the CLI Toolchain. Conducted comprehensive Makefile cleanup and optimizations across the build system (including rabbitmq_cli), laying groundwork for simpler extension of Elixir-based tooling. No major bugs fixed this month; changes validated via CI with compatibility preserved for existing Erlang/Elixir workflows. Key commits provide the functional changes and traceability to the codebase.
2 Commits • 1 Features
Dec 1, 2024December 2024 performance summary: Implemented native Elixir support in the Erlang.mk-based build system for rabbitmq-server CLI, replacing the previous Mix-based CLI compilation. This streamlines the build and dependency handling, reduces complexity, and improves maintainability of the CLI Toolchain. Conducted comprehensive Makefile cleanup and optimizations across the build system (including rabbitmq_cli), laying groundwork for simpler extension of Elixir-based tooling. No major bugs fixed this month; changes validated via CI with compatibility preserved for existing Erlang/Elixir workflows. Key commits provide the functional changes and traceability to the codebase.
December 2024
November 2024
1 Commits
Nov 1, 2024November 2024 monthly summary for rabbitmq-server focused on stabilizing the QA test suite by eliminating intermittent test flakes in the store file scan tests. Implemented a targeted fix to ensure generated messages exclude the byte 255, aligning test expectations with the broker state. The change landed as a single commit (db50739ad833d25248468e00e37fd010e113e13f) with the CQ note: "Fix flakes in the store file scan test". Impact: Reduced CI noise and maintenance burden, enabling faster feedback and more reliable releases. This work strengthens test determinism and broker reliability under test workloads, supporting higher confidence in future changes. Technologies/skills demonstrated: debugging and root-cause analysis of flaky tests, targeted code changes in the RabbitMQ server, Git-powered traceability, and collaboration with CI pipelines to improve test stability.
November 2024
1 Commits
Nov 1, 2024November 2024 monthly summary for rabbitmq-server focused on stabilizing the QA test suite by eliminating intermittent test flakes in the store file scan tests. Implemented a targeted fix to ensure generated messages exclude the byte 255, aligning test expectations with the broker state. The change landed as a single commit (db50739ad833d25248468e00e37fd010e113e13f) with the CQ note: "Fix flakes in the store file scan test". Impact: Reduced CI noise and maintenance burden, enabling faster feedback and more reliable releases. This work strengthens test determinism and broker reliability under test workloads, supporting higher confidence in future changes. Technologies/skills demonstrated: debugging and root-cause analysis of flaky tests, targeted code changes in the RabbitMQ server, Git-powered traceability, and collaboration with CI pipelines to improve test stability.
October 2024
2 Commits • 1 Features
Oct 1, 20242024-10 monthly summary: Implemented CI enhancements for rabbitmq-server enabling mixed-version and mixed-cluster testing, expanding coverage and reducing upgrade risk. Two commits delivered: 2235492d28bac925b451d3c99625ccc3416524a0 and 3dbfcaa3a0e58f24ad8c7b8da04d500efb5cc101.
2 Commits • 1 Features
Oct 1, 20242024-10 monthly summary: Implemented CI enhancements for rabbitmq-server enabling mixed-version and mixed-cluster testing, expanding coverage and reducing upgrade risk. Two commits delivered: 2235492d28bac925b451d3c99625ccc3416524a0 and 3dbfcaa3a0e58f24ad8c7b8da04d500efb5cc101.
October 2024
Activity
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Quality Metrics
Correctness94.0%
Maintainability90.6%
Architecture90.2%
Performance89.0%
AI Usage20.4%
Skills & Technologies
Programming Languages
BatchElixirErlangHTMLJavaScriptMakefileMarkdownYAML
Technical Skills
AMQPAMQP protocolAPI DevelopmentAPI SecurityBackend DevelopmentBug FixingBuild AutomationBuild SystemsCI/CDCLI DevelopmentCode RefactoringConfiguration ManagementContinuous IntegrationDebuggingDependency Management
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline