if err != nil {
			return err
		}

		wk, err := workers.New(workerSize)
		if err != nil {
			// invalid worker size.
			return err
		}

		walkQuorum := env.Get("_MINIO_BATCH_REPLICATION_WALK_QUORUM", "strict")
		if walkQuorum == "" {
			walkQuorum = "strict"
		}
		ctx, cancelCause := context.WithCancelCause(ctx)