apache/doris
Feb 2026 – May 2026
2 Months active
Languages Used
GroovyJava
Technical Skills
GroovyJavabackend developmentdatabase managementSQL
Fy
PROFILE
Fy
Contributed backend features to the apache/doris repository, focusing on observability and query tooling improvements using Java, Groovy, and SQL. Enhanced audit logging by adding queue time tracking to the audit_log schema, enabling detailed monitoring and analysis of per-query queue durations for performance optimization and capacity planning. Delivered multi-predicate time-range filtering for SHOW ALTER TABLE, implementing AND semantics for CreateTime and FinishTime to ensure accurate maintenance query results. Addressed a bug in predicate handling by refining filter logic, and validated changes with automated tests. Demonstrated end-to-end feature delivery, schema evolution, and collaborative open-source development within a database management context.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
2Total
Bugs
0
Commits
2
Features
2
Lines of code
410
Activity Months2
Your Network
159 peopleWork History
May 2026
1 Commits • 1 Features
May 1, 2026May 2026: Delivered a feature and fixed a bug in apache/doris to improve SHOW ALTER TABLE reliability and accuracy. Implemented multi-predicate time-range filtering by enabling AND semantics for CreateTime and FinishTime, ensuring both bounds are enforced in results. Fixed a critical bug where time-range predicates could be overwritten when multiple predicates targeted the same key, by refining the per-key predicate map logic. The changes were committed in 4479e72758b847cb923a488256edc80a3df2b436, co-authored by YangShaw, and delivered with tests and validation. Impact: reduces incorrect results in maintenance queries and strengthens tooling accuracy; demonstrates end-to-end feature delivery and OSS collaboration.
1 Commits • 1 Features
May 1, 2026May 2026: Delivered a feature and fixed a bug in apache/doris to improve SHOW ALTER TABLE reliability and accuracy. Implemented multi-predicate time-range filtering by enabling AND semantics for CreateTime and FinishTime, ensuring both bounds are enforced in results. Fixed a critical bug where time-range predicates could be overwritten when multiple predicates targeted the same key, by refining the per-key predicate map logic. The changes were committed in 4479e72758b847cb923a488256edc80a3df2b436, co-authored by YangShaw, and delivered with tests and validation. Impact: reduces incorrect results in maintenance queries and strengthens tooling accuracy; demonstrates end-to-end feature delivery and OSS collaboration.
May 2026
February 2026
1 Commits • 1 Features
Feb 1, 2026February 2026 — Apache Doris: Key observability enhancement by adding queue_time_ms to the audit_log to capture per-query queue durations, enabling monitoring, analysis, and optimization of query performance and system load. No major bugs fixed this month. This change improves visibility into queueing behavior, supports data-driven performance tuning and capacity planning, and demonstrates proficiency in schema changes, audit logging, and Git-based feature delivery.
February 2026
1 Commits • 1 Features
Feb 1, 2026February 2026 — Apache Doris: Key observability enhancement by adding queue_time_ms to the audit_log to capture per-query queue durations, enabling monitoring, analysis, and optimization of query performance and system load. No major bugs fixed this month. This change improves visibility into queueing behavior, supports data-driven performance tuning and capacity planning, and demonstrates proficiency in schema changes, audit logging, and Git-based feature delivery.
Activity
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Quality Metrics
Correctness100.0%
Maintainability90.0%
Architecture90.0%
Performance90.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
GroovyJava
Technical Skills
GroovyJavaSQLbackend developmentdatabase management
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