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Ernest Zaslavsky

PROFILE

Ernest Zaslavsky

Ernest Zaslavsky enhanced backup and restore benchmarking workflows in the scylladbbot/scylla-cluster-tests repository, focusing on automation and performance testing for distributed systems. He developed a new benchmark that measures backup performance under read stress with a 100GB dataset, integrating concurrent backup and read timing and reporting results to Argus. To improve the determinism and comparability of restore benchmarks, he disabled autocompaction, aligning the process with the existing test harness for more reliable cross-run evaluation. Working primarily in Python and YAML, Ernest’s contributions deepened test coverage and enabled data-driven decisions on backup and restore performance in cloud infrastructure environments.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

2Total
Bugs
0
Commits
2
Features
1
Lines of code
147
Activity Months1

Work History

November 2024

2 Commits • 1 Features

Nov 1, 2024

Monthly performance summary for 2024-11 focused on the scylladbbot/scylla-cluster-tests repository. Delivered benchmarking enhancements for backup and restore workflows, improving test coverage, determinism, and reporting to enable data-driven decisions on backup/restore performance.

Activity

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Quality Metrics

Correctness90.0%
Maintainability90.0%
Architecture80.0%
Performance80.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

PythonYAML

Technical Skills

AutomationBenchmarkingCloud InfrastructureDistributed SystemsPerformance TestingTesting

Repositories Contributed To

1 repo

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

scylladbbot/scylla-cluster-tests

Nov 2024 Nov 2024
1 Month active

Languages Used

PythonYAML

Technical Skills

AutomationBenchmarkingCloud InfrastructureDistributed SystemsPerformance TestingTesting

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