pub fn init_global_http_client(config: &PerformanceConfig) -> Result<()>Expand description
Initialize the global HTTP client singleton
§Arguments
config- Performance configuration for connection pool settings
§Errors
Returns an error if HTTP client creation fails
§Note
This function is thread-safe and ensures only one thread performs the expensive client initialization (including TLS setup). Subsequent calls will return Ok(()) if initialization succeeded, or the original error if initialization previously failed.