
Shuke contributed to the apache/doris repository by engineering robust regression testing frameworks and stabilizing CI pipelines for cloud and on-premise deployments. Over 11 months, Shuke delivered targeted fixes and enhancements to Groovy-based test suites, focusing on test isolation, error handling, and data integrity. Leveraging skills in Java, SQL, and Groovy scripting, Shuke addressed flakiness in automated tests, improved debugging visibility, and implemented plugins for version compatibility and timeout analysis. The work included refining backend data workflows, optimizing test harnesses, and ensuring reliable streaming and HDFS integration. These efforts resulted in more deterministic releases and accelerated developer feedback cycles.

Month 2025-10 — Apache Doris: Key cloud regression and test robustness improvements; commit-level deliverables include 0bc49e3387a5bfe7fd58b127bd04c7c2b468854a and fc38d1f0c656f02e378507800971f1b90737433e, plus a bug fix commit bd8a44f2db0107f052368392de695fb423e105e1. Highlights: Cloud Regression Test Improvements: exclude restore_p0 tests in cloud environments and enhance version comparison logic for cloud formats; added cloud-aware version comparison plugin. Bug fix: Test Suite Case Sensitivity Bug in Ingestion Load and Alter Column Operations: corrected 'label' variable declarations and test label handling. Impact: more reliable cloud regression validation, faster feedback, reduced flaky tests; improved correctness of ingestion/load/alter workflow tests. Technologies/skills: regression testing, cloud testing strategies, version comparison plugins, test automation, and precise test fixes.
Month 2025-10 — Apache Doris: Key cloud regression and test robustness improvements; commit-level deliverables include 0bc49e3387a5bfe7fd58b127bd04c7c2b468854a and fc38d1f0c656f02e378507800971f1b90737433e, plus a bug fix commit bd8a44f2db0107f052368392de695fb423e105e1. Highlights: Cloud Regression Test Improvements: exclude restore_p0 tests in cloud environments and enhance version comparison logic for cloud formats; added cloud-aware version comparison plugin. Bug fix: Test Suite Case Sensitivity Bug in Ingestion Load and Alter Column Operations: corrected 'label' variable declarations and test label handling. Impact: more reliable cloud regression validation, faster feedback, reduced flaky tests; improved correctness of ingestion/load/alter workflow tests. Technologies/skills: regression testing, cloud testing strategies, version comparison plugins, test automation, and precise test fixes.
September 2025 summary: Delivered a focused set of regression and reliability improvements for Apache Doris (apache/doris). Key outcomes include a stabilized HDFS/external testing regression suite, more reliable data ingestion and broker load tests, safer DDL/SQL behavior, and enhanced logging and export/path robustness. These changes reduce test flakiness, harden production data workflows, and strengthen observability, delivering measurable business value through faster release cycles and improved data integrity.
September 2025 summary: Delivered a focused set of regression and reliability improvements for Apache Doris (apache/doris). Key outcomes include a stabilized HDFS/external testing regression suite, more reliable data ingestion and broker load tests, safer DDL/SQL behavior, and enhanced logging and export/path robustness. These changes reduce test flakiness, harden production data workflows, and strengthen observability, delivering measurable business value through faster release cycles and improved data integrity.
August 2025 performance snapshot for apache/doris: Focused on reliability, test stability, and streaming resilience. Delivered targeted fixes and enhancements across ASan leak handling, HTTP streaming robustness, and regression/test frameworks to strengthen CI feedback and production reliability. Key deliverables: - ASan leak suppression for _dl_find_object_update fixed by marking it as a known leak in the ASan configuration, reducing false positives and improving leak detection accuracy. (Commit: 123a3cc526c3d5e57216759064781f01adafd9be) - ResumableHttpInputStream added to automatically retry and resume stream loading when HTTP connections are reset (e.g., S3 idle connections). Configurable via retryIfHttpError in stream load settings. (Commit: 15f4406dd6debc0f48b783992f317f3558dbd0c3) - Regression test framework enhancements: introduced PluginQueryTimeoutDebugger for debugging query timeouts and a cluster version plugin for compatibility testing. (Commits: 641e6546c2d914d618ebdff5cac4996e3a2409e4; 723cb40b5df1923ee03b76d51bb8c9f47c357653) - Test stability improvements: extended test timeouts to improve reliability; compaction timeout extended to 1200 seconds and meta show/table synchronization timeout extended to 60 seconds. (Commits: 1e25f8a46fde48ea90f72f4cf6f4dbff6aa0bb7d; 170e196061822f1876b904ef999177b36acb577e) Overall impact and business value: - Increased reliability for streaming workloads and data ingestion, reducing production disruptions due to transient network issues and memory-sanitizer noise. - More stable CI/regression cycles with enhanced visibility into timeouts, version compatibility, and pipeline tasks. - Faster feedback for developers due to targeted tooling in regression framework and configurable streaming retry strategies. Technologies and skills demonstrated: - Memory-sanitizer tuning and known-leak handling in C/C++ code paths. - Resilient streaming IO design with resumable inputs and HTTP retry logic. - Regression/test framework enhancements, including debugger plugins and version-compatibility plugins. - Test stabilization techniques, including timeout tuning and CI reliability improvements.
August 2025 performance snapshot for apache/doris: Focused on reliability, test stability, and streaming resilience. Delivered targeted fixes and enhancements across ASan leak handling, HTTP streaming robustness, and regression/test frameworks to strengthen CI feedback and production reliability. Key deliverables: - ASan leak suppression for _dl_find_object_update fixed by marking it as a known leak in the ASan configuration, reducing false positives and improving leak detection accuracy. (Commit: 123a3cc526c3d5e57216759064781f01adafd9be) - ResumableHttpInputStream added to automatically retry and resume stream loading when HTTP connections are reset (e.g., S3 idle connections). Configurable via retryIfHttpError in stream load settings. (Commit: 15f4406dd6debc0f48b783992f317f3558dbd0c3) - Regression test framework enhancements: introduced PluginQueryTimeoutDebugger for debugging query timeouts and a cluster version plugin for compatibility testing. (Commits: 641e6546c2d914d618ebdff5cac4996e3a2409e4; 723cb40b5df1923ee03b76d51bb8c9f47c357653) - Test stability improvements: extended test timeouts to improve reliability; compaction timeout extended to 1200 seconds and meta show/table synchronization timeout extended to 60 seconds. (Commits: 1e25f8a46fde48ea90f72f4cf6f4dbff6aa0bb7d; 170e196061822f1876b904ef999177b36acb577e) Overall impact and business value: - Increased reliability for streaming workloads and data ingestion, reducing production disruptions due to transient network issues and memory-sanitizer noise. - More stable CI/regression cycles with enhanced visibility into timeouts, version compatibility, and pipeline tasks. - Faster feedback for developers due to targeted tooling in regression framework and configurable streaming retry strategies. Technologies and skills demonstrated: - Memory-sanitizer tuning and known-leak handling in C/C++ code paths. - Resilient streaming IO design with resumable inputs and HTTP retry logic. - Regression/test framework enhancements, including debugger plugins and version-compatibility plugins. - Test stabilization techniques, including timeout tuning and CI reliability improvements.
July 2025 — Apache Doris (repo: apache/doris): Delivered targeted reliability and stability improvements to the regression testing framework, alongside fixes that address flaky test behavior and accuracy in load-testing scenarios. The changes reinforce CI stability, improve failure reporting, and ensure precise time handling in test results, supporting faster debugging and higher confidence in release readiness.
July 2025 — Apache Doris (repo: apache/doris): Delivered targeted reliability and stability improvements to the regression testing framework, alongside fixes that address flaky test behavior and accuracy in load-testing scenarios. The changes reinforce CI stability, improve failure reporting, and ensure precise time handling in test results, supporting faster debugging and higher confidence in release readiness.
June 2025 — Apache Doris: Focused on stabilizing the regression test suite, tightening data integrity checks, and delivering targeted fixes that improve CI reliability and data correctness. Delivered a coordinated set of regression-test related commits to tighten thresholds, adjust configurations, fix scoping issues, update expected outputs, and address test-related bugs to ensure accurate, stable regression results. Major bug fixes touched streaming loads, query correctness, and test harness stability, reducing flaky runs and accelerating developer feedback. Overall impact: more reliable regression signals, fewer false positives/negatives, and stronger confidence in Doris quality. Technologies demonstrated: regression-test engineering, Groovy-based test scripts, test harness configuration, memory-management debugging, and CI optimization.
June 2025 — Apache Doris: Focused on stabilizing the regression test suite, tightening data integrity checks, and delivering targeted fixes that improve CI reliability and data correctness. Delivered a coordinated set of regression-test related commits to tighten thresholds, adjust configurations, fix scoping issues, update expected outputs, and address test-related bugs to ensure accurate, stable regression results. Major bug fixes touched streaming loads, query correctness, and test harness stability, reducing flaky runs and accelerating developer feedback. Overall impact: more reliable regression signals, fewer false positives/negatives, and stronger confidence in Doris quality. Technologies demonstrated: regression-test engineering, Groovy-based test scripts, test harness configuration, memory-management debugging, and CI optimization.
In May 2025, delivered targeted improvements to the Apache Doris regression test suite to boost reliability, debugging speed, and test isolation, with a focus on Groovy-based tests and CI stability. Key changes reduced flaky behavior, improved observability, and streamlined test execution in the main CI pipeline.
In May 2025, delivered targeted improvements to the Apache Doris regression test suite to boost reliability, debugging speed, and test isolation, with a focus on Groovy-based tests and CI stability. Key changes reduced flaky behavior, improved observability, and streamlined test execution in the main CI pipeline.
April 2025 delivered stability improvements to the regression test framework for apache/doris by fixing error reporting and simplifying test code. The key focus was ensuring accurate failure signaling in CI (TeamCity) and reducing test maintenance effort.
April 2025 delivered stability improvements to the regression test framework for apache/doris by fixing error reporting and simplifying test code. The key focus was ensuring accurate failure signaling in CI (TeamCity) and reducing test maintenance effort.
February 2025 monthly summary for Apache Doris development focused on stabilizing and improving regression tests around materialized views, with emphasis on reliability, observability, and faster debugging feedback.
February 2025 monthly summary for Apache Doris development focused on stabilizing and improving regression tests around materialized views, with emphasis on reliability, observability, and faster debugging feedback.
January 2025 — Apache Doris regression-test stabilization and test-suite hardening. Delivered fixes for audit log regression in Groovy tests, numerous regression-test cases across Bloom filter, Alter Table, and framework modules, and implemented test-suite cleanup and reorganization. Result: higher reliability, reduced flaky failures, and faster feedback to developers.
January 2025 — Apache Doris regression-test stabilization and test-suite hardening. Delivered fixes for audit log regression in Groovy tests, numerous regression-test cases across Bloom filter, Alter Table, and framework modules, and implemented test-suite cleanup and reorganization. Result: higher reliability, reduced flaky failures, and faster feedback to developers.
Month: 2024-12 — Focused on strengthening regression testing for apache/doris with emphasis on reliability, debuggability, and stability, plus expanded non-concurrent test coverage. Key work delivered a set of regression-test improvements that reduce flaky behavior, improve isolation and debugging, plus environment stabilization for cloud deployments. These changes accelerate feedback, increase CI confidence, and support smoother releases.
Month: 2024-12 — Focused on strengthening regression testing for apache/doris with emphasis on reliability, debuggability, and stability, plus expanded non-concurrent test coverage. Key work delivered a set of regression-test improvements that reduce flaky behavior, improve isolation and debugging, plus environment stabilization for cloud deployments. These changes accelerate feedback, increase CI confidence, and support smoother releases.
Performance highlights for 2024-11 focusing on reliability improvements in the Doris repository and regression test stabilization. Includes a targeted bug fix addressing Groovy script variable scope to prevent flakiness, plus concrete outcomes and skills demonstrated.
Performance highlights for 2024-11 focusing on reliability improvements in the Doris repository and regression test stabilization. Includes a targeted bug fix addressing Groovy script variable scope to prevent flakiness, plus concrete outcomes and skills demonstrated.
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