feat(csharp): add straggler mitigation configuration classes #37
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- Add configuration parameters in DatabricksParameters for straggler mitigation - Implement CloudFetchStragglerMitigationConfig for parsing and validation - Support 6 configuration options: enabled flag, multiplier, quantile, padding, max stragglers, fallback flag - Validate parameter ranges with clear error messages - Default values: disabled by default, 1.5x multiplier, 60% quantile, 5s padding Part of stacked PR for straggler download mitigation feature
msrathore-db
temporarily deployed
to
azure-prod
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This was referenced Nov 17, 2025
jadewang-db
approved these changes
Nov 17, 2025
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🥞 Stacked PR
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Summary
Adds configuration foundation for straggler mitigation in CloudFetch. Introduces configuration parameters and parsing/validation logic without behavioral changes.
Configuration Parameters:
adbc.databricks.cloudfetch.straggler_mitigation_enabled(default: false)adbc.databricks.cloudfetch.straggler_multiplier(default: 1.5)adbc.databricks.cloudfetch.straggler_quantile(default: 0.6)adbc.databricks.cloudfetch.straggler_padding_seconds(default: 5)adbc.databricks.cloudfetch.max_stragglers_per_query(default: 10)adbc.databricks.cloudfetch.synchronous_fallback_enabled(default: true)Key Changes:
DatabricksParametersconstants for all configuration optionsCloudFetchStragglerMitigationConfigclass with parsing and validation