- Added metrics for bytes saved from cache to improve performance insights.
- Updated cache eviction strategies in MemoryFS and DiskFS to include metrics tracking for hits and evictions.
- Enhanced README.md with updated garbage collection algorithm descriptions and recommendations for cache usage.
- Introduced new madviseSequential functionality for improved memory access hints on Unix systems.
- Adjusted validation configuration in examples to better reflect realistic usage scenarios.
- Introduced coalescing logic in `coalescing.go` to handle concurrent identical upstream fetches, including a state machine and response buffering for improved performance.
- Implemented a new cache file format in `format.go`, supporting serialization and deserialization of HTTP responses, along with range request handling.
- Developed an HTTP handler in `handler.go` to manage requests, including special endpoint handling and metrics reporting.
- Added rate limiting functionality in `ratelimit.go` to control per-client and global request rates, enhancing security and performance.
- Created service management capabilities in `service.go` to define and manage cacheable services, including user-agent detection.
- Updated tests in `steamcache_test.go` to cover new functionalities, ensuring robustness and reliability across the codebase.
- Updated `disk.New` to support asynchronous initialization for large caches, improving responsiveness during startup.
- Introduced an eviction function parameter to `disk.New`, ensuring proper handling of over-capacity scenarios.
- Enhanced error handling in various components, including memory and disk tests, to ensure robustness and clarity.
- Refactored tests to validate new behaviors, including checks for delayed attachment and proper error propagation.
- Removed obsolete error handling code and tests related to the now-deleted errors package, streamlining the codebase.
- Updated the 'bench' target in the Makefile to run all benchmarks for MemoryFS and DiskFS, improving clarity and coverage.
- Added explicit post-eviction consistency checks in DiskFS tests to ensure on-disk files are removed after eviction.
- Introduced new benchmarks for memory eviction strategies under pressure, enhancing test coverage for memory management.
- Improved error handling in benchmark tests for both disk and memory file systems, ensuring robustness during performance evaluations.
- Refactored key generation in tests for consistency and clarity.
- Updated the caching logic to utilize a predictive cache warmer, enhancing content prefetching based on access patterns.
- Replaced the legacy warming system with a more efficient predictive approach, allowing for better performance and resource management.
- Refactored memory management to integrate dynamic cache size adjustments based on system memory usage, improving overall efficiency.
- Simplified the VFS interface and improved concurrency handling with sharded locks for better performance in multi-threaded environments.
- Enhanced tests to validate the new caching and memory management behaviors, ensuring reliability and performance improvements.
- Changed module name from `s1d3sw1ped/SteamCache2` to `s1d3sw1ped/steamcache2` for consistency.
- Updated all import paths and references throughout the codebase to reflect the new module name.
- Adjusted README and Makefile to use the updated module name, ensuring clarity in usage instructions.
- Updated caching logic to support size-based promotion filtering, ensuring that not all files may be promoted based on size constraints.
- Implemented adaptive caching strategies with a new AdaptiveCacheManager to analyze access patterns and adjust caching strategies dynamically.
- Introduced predictive caching features with a PredictiveCacheManager to prefetch content based on access patterns.
- Added a CacheWarmer to preload popular content into the cache, improving access times for frequently requested files.
- Refactored memory management with a DynamicCacheManager to adjust cache sizes based on system memory usage.
- Enhanced VFS interface and file metadata handling to support new features and improve performance.
- Updated tests to validate new caching behaviors and ensure reliability of the caching system.
- Replaced SHA1 hash calculations with SHA256 for improved security and consistency in cache key generation.
- Introduced a new TestURLHashing function to validate the new cache key generation logic.
- Removed outdated hash calculation tests and streamlined the caching process to focus on URL-based hashing.
- Implemented lightweight validation methods in ServeHTTP to enhance performance and reliability of cached responses.
- Added batched time updates in VFS implementations for better performance during access time tracking.
- Introduced a YAML-based configuration system, allowing for automatic generation of a default `config.yaml` file.
- Updated the application to load configuration settings from the YAML file, improving flexibility and ease of use.
- Added a Makefile to streamline development tasks, including running the application, testing, and managing dependencies.
- Enhanced `.gitignore` to include build artifacts and configuration files.
- Removed unused Prometheus metrics and related code to simplify the codebase.
- Updated dependencies in `go.mod` and `go.sum` for improved functionality and performance.
- Added AccessCount field to FileInfo struct for improved tracking of file access frequency.
- Updated NewFileInfo and NewFileInfoFromOS functions to initialize AccessCount.
- Modified DiskFS and MemoryFS to preserve and increment AccessCount during file operations.
- Enhanced garbage collection methods (LRU, LFU, FIFO, Largest, Smallest, Hybrid) to utilize AccessCount for more effective space reclamation.
revert Enhance FileInfo structure and DiskFS functionality
- Added CTime (creation time) and AccessCount fields to FileInfo struct for better file metadata tracking.
- Updated NewFileInfo and NewFileInfoFromOS functions to initialize new fields.
- Enhanced DiskFS to maintain access counts and file metadata, including flushing to JSON files.
- Modified Open and Create methods to increment access counts and set creation times appropriately.
- Updated garbage collection logic to utilize real access counts for files.
- Added CTime (creation time) and AccessCount fields to FileInfo struct for better file metadata tracking.
- Updated NewFileInfo and NewFileInfoFromOS functions to initialize new fields.
- Enhanced DiskFS to maintain access counts and file metadata, including flushing to JSON files.
- Modified Open and Create methods to increment access counts and set creation times appropriately.
- Updated garbage collection logic to utilize real access counts for files.
- Updated disk_test.go to replace Set and Get with Create and Open methods for better clarity and functionality.
- Modified fileinfo.go to include package comment.
- Refactored gc.go to streamline garbage collection handling and removed unused statistics.
- Updated gc_test.go to comment out large random tests for future implementation.
- Enhanced memory.go to implement LRU caching and metrics for memory usage.
- Updated memory_test.go to replace Set and Get with Create and Open methods.
- Removed sync.go as it was redundant and not utilized.
- Updated vfs.go to reflect changes in the VFS interface, replacing Set and Get with Create and Open.
- Added package comments to vfserror.go for consistency.
- Added Prometheus client library for metrics collection.
- Refactored garbage collection strategy from random deletion to LRU (Least Recently Used) deletion.
- Introduced per-key locking in cache to prevent race conditions.
- Enhanced logging with structured log messages for cache hits and misses.
- Implemented a retry mechanism for upstream requests with exponential backoff.
- Updated Go modules and indirect dependencies for better compatibility and performance.
- Removed unused sync filesystem implementation.
- Added version initialization to ensure a default version string.
s1d3sw1ped