apache/impala
Nov 2024 – Jan 2025
3 Months active
Languages Used
C++DITAJavaPythonXMLThrift
Technical Skills
Backend DevelopmentC++Configuration ManagementDebuggingDocumentationJava
Andrew Sherman
PROFILE
Andrew Sherman
Over three months, contributed to apache/impala by enhancing reliability, observability, and maintainability in core backend systems. Focused on admission control user quotas, this work improved documentation, stabilized test configurations, and clarified user group behaviors. Addressed HTTP authentication by refining X-Forwarded-For header handling and strengthened fair-scheduler configuration with robust error handling and logging. Delivered Prometheus-compatible metric name translation and expanded the web UI to display admission control slots, supporting better monitoring and capacity planning. Leveraged Python, C++, and Java to implement these changes, emphasizing thorough testing, schema management, and clear documentation to ensure forward-compatibility and operational clarity.
Overall Statistics
Feature vs Bugs
50%Features
Repository Contributions
7Total
Bugs
3
Commits
7
Features
3
Lines of code
1,298
Activity Months3
Your Network
139 peopleSame Organization
@cloudera.com93
Shared Repositories
46
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Daniel BeckerMember
Work History
January 2025
2 Commits • 2 Features
Jan 1, 2025January 2025: Delivered two key enhancements for Apache Impala, strengthening observability and monitoring UX. Implemented Prometheus-compatible metric name translation and enhanced the web UI to display admission control slots. Added tests and schema version bumps to support changes, reinforcing quality and forward-compatibility. These changes deliver measurable business value by improving monitoring reliability, troubleshooting efficiency, and capacity planning.
2 Commits • 2 Features
Jan 1, 2025January 2025: Delivered two key enhancements for Apache Impala, strengthening observability and monitoring UX. Implemented Prometheus-compatible metric name translation and enhanced the web UI to display admission control slots. Added tests and schema version bumps to support changes, reinforcing quality and forward-compatibility. These changes deliver measurable business value by improving monitoring reliability, troubleshooting efficiency, and capacity planning.
January 2025
December 2024
2 Commits
Dec 1, 2024December 2024 performance review for apache/impala: delivered reliability-focused fixes that directly impact authentication security and admission-control reliability, with concrete test coverage and clear logging. Key changes reduce operational risk by ensuring deterministic header handling and robust configuration validation for the fair-scheduler.
December 2024
2 Commits
Dec 1, 2024December 2024 performance review for apache/impala: delivered reliability-focused fixes that directly impact authentication security and admission-control reliability, with concrete test coverage and clear logging. Key changes reduce operational risk by ensuring deterministic header handling and robust configuration validation for the fair-scheduler.
November 2024
3 Commits • 1 Features
Nov 1, 2024November 2024 focused on strengthening the reliability and maintainability of Apache Impala's Admission Control User Quotas. Delivered documentation and test coverage enhancements, plus targeted test configuration fixes to stabilize quota-related tests under heavier workloads. This work improves visibility into quota behavior, reduces test flakiness, and raises deployment confidence for quota-driven admission decisions.
3 Commits • 1 Features
Nov 1, 2024November 2024 focused on strengthening the reliability and maintainability of Apache Impala's Admission Control User Quotas. Delivered documentation and test coverage enhancements, plus targeted test configuration fixes to stabilize quota-related tests under heavier workloads. This work improves visibility into quota behavior, reduces test flakiness, and raises deployment confidence for quota-driven admission decisions.
November 2024
Activity
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Quality Metrics
Correctness95.8%
Maintainability91.4%
Architecture91.4%
Performance85.6%
AI Usage20.0%
Skills & Technologies
Programming Languages
C++DITAJavaPythonThriftXML
Technical Skills
Backend DevelopmentC++Configuration ManagementDatabase SystemsDebuggingDocumentationError HandlingHTTPJavaLoggingMetricsNetwork ProtocolsPrometheusPythonPython Development
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline