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Co-authored-by: heihutu <heihutu@gmail.com> Co-authored-by: houseme <housemecn@gmail.com>
57 lines
2.3 KiB
Markdown
57 lines
2.3 KiB
Markdown
# Changelog
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All notable changes to the rustfs-io-core and rustfs-io-metrics crates will be documented in this file.
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The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
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and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
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## [0.0.5] - 2025-01-XX
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### Added
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#### rustfs-io-core
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- **IoScheduler**: Adaptive I/O scheduler with buffer size calculation
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- **IoPriorityQueue**: Priority queue with starvation prevention
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- **BackpressureMonitor**: System overload protection with dual watermark
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- **DeadlockDetector**: Wait-for graph based deadlock detection
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- **LockOptimizer**: Adaptive spin lock optimization
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- **RequestTimeoutWrapper**: Dynamic timeout calculation
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- **Buffer size functions**: `calculate_optimal_buffer_size`, `get_buffer_size_for_media`, etc.
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- **Configuration types**: `IoSchedulerConfig`, `BackpressureConfig`, `DeadlockDetectorConfig`, etc.
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#### rustfs-io-metrics
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- **CacheConfig**: L1/L2 tiered cache configuration
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- **AdaptiveTTL**: Dynamic TTL adjustment based on access frequency
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- **AccessTracker**: Cache item access pattern tracking
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- **Metrics recording functions**: I/O, cache, backpressure, deadlock, lock, timeout metrics
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- **Unified configuration**: `IoConfig`, `CacheSettings`, `IoSchedulerSettings`, etc.
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- **Bandwidth monitoring**: Real-time bandwidth observation
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### Changed
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- Migrated core I/O scheduling algorithms from `rustfs::storage::concurrency` to `rustfs-io-core`
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- Migrated metrics and configuration to `rustfs-io-metrics`
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- Updated `rustfs::storage::concurrency::mod.rs` to re-export new module types
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- Added API compatibility tests
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### Fixed
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- Improved buffer size calculation for different storage media
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- Enhanced deadlock detection with cycle detection algorithm
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- Better backpressure state transitions
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### Documentation
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- Added comprehensive README.md for both crates
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- Added design documentation for I/O scheduler, backpressure, deadlock detection
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- Added metrics guide and configuration reference
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- Added runnable example code
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### Migration Notes
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- All original APIs in `rustfs::storage::concurrency` are preserved
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- New types are re-exported for gradual migration
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- No breaking changes to existing code
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## [0.0.4] - Previous Version
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### Note
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This changelog starts with version 0.0.5 which includes the concurrency module migration.
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For previous versions, see the git history.
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