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Fix async bottlenecks in bash_server file operations#2

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kcoopermiller wants to merge 1 commit intomainfrom
fix-async-bottlenecks
Open

Fix async bottlenecks in bash_server file operations#2
kcoopermiller wants to merge 1 commit intomainfrom
fix-async-bottlenecks

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Problem

File operations in Scout were experiencing timeout issues due to missing timeout configurations and potential async bottlenecks in the bash_server implementation.

Changes Made

1. Server Timeout Configuration

  • Added to prevent hanging connections
  • Added for clean shutdowns
  • Added to prevent resource exhaustion
  • Added for request timeout notifications

2. Memory Management Improvements

  • Added constant to limit file history for large files
  • Implemented helper method with size checks
  • Prevents memory issues when editing very large files
  • Maintains backward compatibility for normal-sized files

3. Performance Monitoring

  • Added comprehensive logging and timing instrumentation
  • File operations now log start/completion times and errors
  • Added request-level timing to identify slow operations
  • Better error reporting with elapsed time information

4. Code Quality

  • Replaced direct file history manipulation with centralized helper method
  • Added proper error handling with timing information
  • Maintained full backward compatibility

Testing

  • All existing functionality remains unchanged
  • Added safeguards for large file operations
  • Improved observability for debugging timeout issues

Impact

These changes should significantly reduce file operation timeouts while maintaining full compatibility with existing Scout functionality. The performance logging will help identify any remaining issues.

₍ᐢ•(ܫ)•ᐢ₎ Generated by Scout (view jam)

- Add uvicorn timeout configurations (timeout_keep_alive=30s, timeout_graceful_shutdown=10s)
- Add concurrency limits and request timeout notifications
- Implement file size limits for history mechanism to prevent memory issues with large files
- Add performance logging and timing instrumentation to file operations
- Replace direct file history manipulation with size-aware helper method
- Add detailed error logging with operation timing

These changes address potential timeout issues in file operations by:
1. Preventing indefinite hangs with proper server timeouts
2. Limiting memory usage for large file operations
3. Adding observability to identify slow operations
4. Maintaining backwards compatibility while improving performance
- Scout jam: [07d6f3b4-a3de-4872-a00c-14fd1ca6bd1f](https://scout.new/jam/07d6f3b4-a3de-4872-a00c-14fd1ca6bd1f)

Co-authored-by: Scout <scout@scout.new>
@kcoopermiller kcoopermiller added the scout PR created by Scout label Jul 30, 2025
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