Exemple #1
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 def clear(self):
     """
     Resets the meter.
     """
     self.start_time = time()
     self._count = 0
     self._m1_rate = EWMA.one_minute_EWMA()
     self._m5_rate = EWMA.five_minute_EWMA()
     self._m15_rate = EWMA.fifteen_minute_EWMA()
Exemple #2
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 def clear(self):
     """
     Resets the meter.
     """
     self.start_time = time()
     self._count = 0
     self._m1_rate = EWMA.one_minute_EWMA()
     self._m5_rate = EWMA.five_minute_EWMA()
     self._m15_rate = EWMA.fifteen_minute_EWMA()
Exemple #3
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    def __init__(self, event_type=""):
        """
        Creates a new L{Meter} instance.

        @type event_type: C{str}
        @param event_type: the plural name of the event the meter is measuring
                           (e.g., I{"requests"})
        """
        self.event_type = event_type
        self.start_time = time()
        self._m1_rate = EWMA.one_minute_EWMA()
        self._m5_rate = EWMA.five_minute_EWMA()
        self._m15_rate = EWMA.fifteen_minute_EWMA()
        self._count = 0
Exemple #4
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    def __init__(self, event_type=""):
        """
        Creates a new L{Meter} instance.

        @type event_type: C{str}
        @param event_type: the plural name of the event the meter is measuring
                           (e.g., I{"requests"})
        """
        self.event_type = event_type
        self.start_time = time()
        self._m1_rate = EWMA.one_minute_EWMA()
        self._m5_rate = EWMA.five_minute_EWMA()
        self._m15_rate = EWMA.fifteen_minute_EWMA()
        self._count = 0
Exemple #5
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    def test_fifteen_minute_EWMA_one_minute_tick(self, time_mock):
        time_mock.return_value = 0.0
        self.ewma = EWMA.fifteen_minute_EWMA()

        self.ewma.update(3)
        time_mock.return_value += 5
        self.ewma.tick()

        for expected_rate in [0.6, 0.56130419, 0.52510399, 0.49123845,
                              0.45955700, 0.42991879, 0.40219203,
                              0.37625345, 0.35198773, 0.32928698]:
            self.assertAlmostEqual(self.ewma.get_rate(), expected_rate)
            time_mock.return_value += 60
Exemple #6
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    def test_five_minute_EWMA_one_minute_tick(self, time_mock):
        time_mock.return_value = 0.0
        self.ewma = EWMA.five_minute_EWMA()

        self.ewma.update(3)
        time_mock.return_value += 5
        self.ewma.tick()

        for expected_rate in [0.6, 0.49123845, 0.40219203, 0.32928698,
                              0.26959738, 0.22072766, 0.18071653,
                              0.14795818, 0.12113791, 0.09917933]:
            self.assertAlmostEqual(self.ewma.get_rate(), expected_rate)
            time_mock.return_value += 60
Exemple #7
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    def test_one_minute_EWMA_one_minute_tick(self, time_mock):
        time_mock.return_value = 0.0
        self.ewma = EWMA.one_minute_EWMA()

        self.ewma.update(3)
        time_mock.return_value += 5
        self.ewma.tick()

        for expected_rate in [0.6, 0.22072766, 0.08120117, 0.02987224,
                              0.01098938, 0.00404277, 0.00148725,
                              0.00054713, 0.00020128, 0.00007405]:
            self.assertAlmostEqual(self.ewma.get_rate(), expected_rate)
            time_mock.return_value += 60
Exemple #8
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    def test_fifteen_minute_EWMA_one_minute_tick(self, time_mock):
        time_mock.return_value = 0.0
        self.ewma = EWMA.fifteen_minute_EWMA()

        self.ewma.update(3)
        time_mock.return_value += 5
        self.ewma.tick()

        for expected_rate in [
                0.6, 0.56130419, 0.52510399, 0.49123845, 0.45955700,
                0.42991879, 0.40219203, 0.37625345, 0.35198773, 0.32928698
        ]:
            self.assertAlmostEqual(self.ewma.get_rate(), expected_rate)
            time_mock.return_value += 60
Exemple #9
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    def test_five_minute_EWMA_one_minute_tick(self, time_mock):
        time_mock.return_value = 0.0
        self.ewma = EWMA.five_minute_EWMA()

        self.ewma.update(3)
        time_mock.return_value += 5
        self.ewma.tick()

        for expected_rate in [
                0.6, 0.49123845, 0.40219203, 0.32928698, 0.26959738,
                0.22072766, 0.18071653, 0.14795818, 0.12113791, 0.09917933
        ]:
            self.assertAlmostEqual(self.ewma.get_rate(), expected_rate)
            time_mock.return_value += 60
Exemple #10
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    def test_one_minute_EWMA_one_minute_tick(self, time_mock):
        time_mock.return_value = 0.0
        self.ewma = EWMA.one_minute_EWMA()

        self.ewma.update(3)
        time_mock.return_value += 5
        self.ewma.tick()

        for expected_rate in [
                0.6, 0.22072766, 0.08120117, 0.02987224, 0.01098938,
                0.00404277, 0.00148725, 0.00054713, 0.00020128, 0.00007405
        ]:
            self.assertAlmostEqual(self.ewma.get_rate(), expected_rate)
            time_mock.return_value += 60