# What teams typically write (and why it's the wrong activity)
import optuna
def objective(trial):
    chunk_size    = trial.suggest_int("chunk_size", 100, 2000)
    chunk_overlap = trial.suggest_int("chunk_overlap", 0, 200)
    top_k         = trial.suggest_int("top_k", 1, 20)
    threshold     = trial.suggest_float("threshold", 0.5, 0.95)
    accuracy = run_rag_pipeline_and_score(
        chunk_size, chunk_overlap, top_k, threshold
    )
    return accuracy
study = optuna.create_study(direction="maximize")
study.optimize(objective, n_trials=200)  # two weeks of compute later...