'Database that stores blobs of increasing size.'

@test_lib.SetLabel('benchmark')
def blobs(self):

    subjects = self._FillDatabase(10000, 200)
    def _ReadUpdate():
        self._ReadRandom(subjects, 75)
        self._UpdateRandom(subjects, 20)
    _ReadUpdate()
    self._AddBlobs(50, 512)
    _ReadUpdate()
    self._AddBlobs(50, 2048)
    _ReadUpdate()
    self._AddBlobs(50, 10240)
    _ReadUpdate()
    self._AddBlobs(20, (10240 * 10))
    _ReadUpdate()
