scylladb/scylladb
Feb 2025 – May 2025
2 Months active
Languages Used
C++MarkdownPython
Technical Skills
API DesignBackend DevelopmentDatabaseDatabase ManagementDocumentationError Handling
Piotr Szymaniak
PROFILE
Piotr Szymaniak
Piotr Szymaniak contributed to the scylladb/scylladb repository by building and enhancing core database features over a two-month period. He implemented Time To Live (TTL) support for tablet partitions in Alternator, introducing a dedicated cleanup path that leverages secondary replicas for failover scenarios, thereby improving data lifecycle management and fault tolerance. Piotr also improved input validation and error handling for Alternator’s CreateTable operation, aligning responses with DynamoDB standards and reducing runtime errors. His work involved C++ and Python development, expanded test automation, and updated developer documentation, reflecting a strong focus on reliability, compatibility, and streamlined onboarding for distributed systems.
Overall Statistics
Feature vs Bugs
75%Features
Repository Contributions
5Total
Bugs
1
Commits
5
Features
3
Lines of code
528
Activity Months2
Your Network
188 people
Work History
May 2025
1 Commits • 1 Features
May 1, 2025May 2025 monthly summary for scylladb/scylladb: Delivered TTL support for tablets in ScyllaDB Alternator, enabling TTL-based cleanup for tablet partitions and ensuring correctness during failover via secondary replicas. Implemented a dedicated TTL removal path for tablet data, with tests covering both vnodes and tablet configurations. This work improves data lifecycle management in Alternator-backed workloads, reduces stale data, and enhances fault tolerance when primary replicas are unavailable. Technologies demonstrated: TTL lifecycle, tablet-based data paths, replica-aware cleanup, and expanded test automation for both vnodes and tablet configurations. Commit reference: de96c286253cc27977ef65021bf47b02fa863155.
1 Commits • 1 Features
May 1, 2025May 2025 monthly summary for scylladb/scylladb: Delivered TTL support for tablets in ScyllaDB Alternator, enabling TTL-based cleanup for tablet partitions and ensuring correctness during failover via secondary replicas. Implemented a dedicated TTL removal path for tablet data, with tests covering both vnodes and tablet configurations. This work improves data lifecycle management in Alternator-backed workloads, reduces stale data, and enhances fault tolerance when primary replicas are unavailable. Technologies demonstrated: TTL lifecycle, tablet-based data paths, replica-aware cleanup, and expanded test automation for both vnodes and tablet configurations. Commit reference: de96c286253cc27977ef65021bf47b02fa863155.
May 2025
February 2025
4 Commits • 2 Features
Feb 1, 2025February 2025: Delivered critical reliability and developer productivity improvements for scylladb/scylladb. Implemented Alternator input validation with tests to enforce stream enable/disable behavior and attribute name length constraints; improved CreateTable error handling to return DynamoDB-like validation errors with tests; added CLion IDE setup guidance in HACKING.md to streamline local development. These changes reduce runtime errors, improve DynamoDB compatibility, and accelerate onboarding and development workflows.
February 2025
4 Commits • 2 Features
Feb 1, 2025February 2025: Delivered critical reliability and developer productivity improvements for scylladb/scylladb. Implemented Alternator input validation with tests to enforce stream enable/disable behavior and attribute name length constraints; improved CreateTable error handling to return DynamoDB-like validation errors with tests; added CLion IDE setup guidance in HACKING.md to streamline local development. These changes reduce runtime errors, improve DynamoDB compatibility, and accelerate onboarding and development workflows.
Activity
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Quality Metrics
Correctness98.0%
Maintainability88.0%
Architecture86.0%
Performance96.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
C++MarkdownPython
Technical Skills
API DesignBackend DevelopmentC++ DevelopmentDatabaseDatabase InternalsDatabase ManagementDistributed SystemsDocumentationError HandlingIDE ConfigurationPython DevelopmentTesting
Repositories Contributed To
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