private void setUpPrettyFullBufferWithChangingEbc(final int valueLength) throws PersistitException {
        b1.init(Buffer.PAGE_TYPE_DATA);
        setUpValue(false, valueLength);
        int a;
        for (a = 0;; a++) {
            setUpDeepKey(a);
            if (b1.putValue(ex.getKey(), vw) == -1) {
                a -= 1;
                break;
            }
        }
    }