dagster-io/dagster
Feb 2025 – Feb 2025
1 Month active
Languages Used
PythonYAML
Technical Skills
Backend DevelopmentConfiguration ManagementDatabase ManagementSQLAlchemy
axelwas
PROFILE
Axelwas
Worked on enhancing the reliability of event storage in the dagster-io/dagster repository by addressing a critical bug related to PostgreSQL-backed asset materialization. Focused on backend development and database management, the solution involved removing the cap on SQLAlchemy’s QueuePool max_overflow setting and introducing a configurable dbPoolMaxOverflow parameter in the webserver. This approach, implemented in Python and YAML, allowed for safer and more flexible connection pool tuning under high-load scenarios. The fix improved operational resilience and reduced downtime risk, ensuring stable performance for large-scale asset materialization workflows and demonstrating depth in configuration management and PostgreSQL integration.
Overall Statistics
Feature vs Bugs
0%Features
Repository Contributions
1Total
Bugs
1
Commits
1
Features
0
Lines of code
137
Activity Months1
Your Network
155 peopleSame Organization
@contentsquare.com4
Shared Repositories
151
Work History
February 2025
1 Commits
Feb 1, 2025February 2025: Delivered a reliability-focused bug fix for PostgreSQL-backed event storage in dagster-io/dagster. Implemented QueuePool overflow mitigation by removing the max_overflow cap (set to -1) and exposing a new config dbPoolMaxOverflow in the webserver, addressing failures during large asset materialization. Linked to the fix via commit 3fcaad69a5160923e69a781cfe9aa0570fa78862 (#27702). This enhances system stability under high-load workloads and reduces downtime risk, demonstrating strong capabilities in Python SQLAlchemy pool management, PostgreSQL integration, and configurable infrastructure. Business value: improved operational resilience, predictable performance, and easier tuning for operators.
1 Commits
Feb 1, 2025February 2025: Delivered a reliability-focused bug fix for PostgreSQL-backed event storage in dagster-io/dagster. Implemented QueuePool overflow mitigation by removing the max_overflow cap (set to -1) and exposing a new config dbPoolMaxOverflow in the webserver, addressing failures during large asset materialization. Linked to the fix via commit 3fcaad69a5160923e69a781cfe9aa0570fa78862 (#27702). This enhances system stability under high-load workloads and reduces downtime risk, demonstrating strong capabilities in Python SQLAlchemy pool management, PostgreSQL integration, and configurable infrastructure. Business value: improved operational resilience, predictable performance, and easier tuning for operators.
February 2025
Activity
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Quality Metrics
Correctness80.0%
Maintainability80.0%
Architecture80.0%
Performance60.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
PythonYAML
Technical Skills
Backend DevelopmentConfiguration ManagementDatabase ManagementSQLAlchemy
Repositories Contributed To
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