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Joel Low

PROFILE

Joel Low

Worked on the supabase/postgres repository over a two-month period, focusing on system administration, security, and DevOps improvements. Addressed a critical filesystem issue by resetting reserved data disk blocks after resizing, ensuring PostgreSQL deployments maintained optimal performance and proper block reservations. Updated version references for multiple PostgreSQL releases to improve compatibility and deployment reliability. In a separate effort, enforced SSH key-based authentication by disabling password-based logins for root and ubuntu users, reducing the risk of unauthorized access and aligning with security best practices. Utilized shell scripting and YAML to implement these changes, emphasizing robust access controls and stable system operations.

Overall Statistics

Feature vs Bugs

50%Features

Repository Contributions

2Total
Bugs
1
Commits
2
Features
1
Lines of code
27
Activity Months2

Work History

May 2026

1 Commits • 1 Features

May 1, 2026

May 2026 Monthly Summary – supabase/postgres: Implemented SSH Key-based Authentication Enforcement to harden access controls. Disabled password-based login for root and ubuntu users by turning off PasswordAuthentication and ChallengeResponseAuthentication in SSH configuration. This reduces the risk of credential-based intrusion, improves security posture, and supports policy compliance. The change is tracked under commit 74aba22f77cd8e5e4d602322d60f80c80e1148de.

April 2026

1 Commits

Apr 1, 2026

April 2026 monthly summary for supabase/postgres. Focused on stability and performance improvements with a critical bug fix addressing data disk block reservations after resizing and alignment of PostgreSQL release references. The fix ensures the filesystem maintains proper block reservations, preserving performance after resize. Implemented in commit 5b87fd5de7566abd97a4ac7018d7a35c2ff31706 (Co-authored-by: divit). Also updated version numbers for various PostgreSQL releases to reflect latest changes, improving compatibility for deployments.

Activity

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Quality Metrics

Correctness100.0%
Maintainability80.0%
Architecture80.0%
Performance80.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

ShellYAML

Technical Skills

DevOpsScriptingSystem Administrationsecurityshell scriptingsystem administration

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

supabase/postgres

Apr 2026 May 2026
2 Months active

Languages Used

ShellYAML

Technical Skills

DevOpsScriptingSystem Administrationsecurityshell scriptingsystem administration