Examples of PercentileSnapshot

com.netflix.hystrix.util.HystrixRollingPercentile.PercentileSnapshot

Examples of com.netflix.hystrix.util.HystrixRollingPercentile.PercentileSnapshot

            fail("We expect to see some high values over 400 but got: " + p.getPercentile(99));
        }
    }


    public PercentileSnapshot getPercentileForValues(int... values) {
        PercentileSnapshot p = new PercentileSnapshot(values);
        return p;
    }

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Examples of com.netflix.hystrix.util.HystrixRollingPercentile.PercentileSnapshot

        return p;
    }


    @Test
    public void testPercentileAlgorithm_Median1() {
        PercentileSnapshot list = new PercentileSnapshot(100, 100, 100, 100, 200, 200, 200, 300, 300, 300, 300);
        Assert.assertEquals(200, list.getPercentile(50));
    }

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Examples of com.netflix.hystrix.util.HystrixRollingPercentile.PercentileSnapshot

        Assert.assertEquals(200, list.getPercentile(50));
    }


    @Test
    public void testPercentileAlgorithm_Median2() {
        PercentileSnapshot list = new PercentileSnapshot(100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 500);
        Assert.assertEquals(100, list.getPercentile(50));
    }

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Examples of com.netflix.hystrix.util.HystrixRollingPercentile.PercentileSnapshot

        Assert.assertEquals(100, list.getPercentile(50));
    }


    @Test
    public void testPercentileAlgorithm_Median3() {
        PercentileSnapshot list = new PercentileSnapshot(50, 75, 100, 125, 160, 170, 180, 200, 210, 300, 500);
        //            list.addValue(50); // 1
        //            list.addValue(75); // 2
        //            list.addValue(100); // 3
        //            list.addValue(125); // 4
        //            list.addValue(160); // 5
        //            list.addValue(170); // 6 
        //            list.addValue(180); // 7
        //            list.addValue(200); // 8
        //            list.addValue(210); // 9
        //            list.addValue(300); // 10
        //            list.addValue(500); // 11


        Assert.assertEquals(175, list.getPercentile(50));
    }

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Examples of com.netflix.hystrix.util.HystrixRollingPercentile.PercentileSnapshot

        Assert.assertEquals(175, list.getPercentile(50));
    }


    @Test
    public void testPercentileAlgorithm_Median4() {
        PercentileSnapshot list = new PercentileSnapshot(300, 75, 125, 500, 100, 160, 180, 200, 210, 50, 170);
        // unsorted so it is expected to sort it for us
        //            list.addValue(300); // 10
        //            list.addValue(75); // 2
        //            list.addValue(125); // 4
        //            list.addValue(500); // 11
        //            list.addValue(100); // 3
        //            list.addValue(160); // 5
        //            list.addValue(180); // 7
        //            list.addValue(200); // 8
        //            list.addValue(210); // 9
        //            list.addValue(50); // 1
        //            list.addValue(170); // 6 


        Assert.assertEquals(175, list.getPercentile(50));
    }

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Examples of com.netflix.hystrix.util.HystrixRollingPercentile.PercentileSnapshot

        Assert.assertEquals(175, list.getPercentile(50));
    }


    @Test
    public void testPercentileAlgorithm_Extremes() {
        PercentileSnapshot p = new PercentileSnapshot(2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 800, 768, 657, 700, 867);


        System.out.println("0.01: " + p.getPercentile(0.01));
        System.out.println("10th: " + p.getPercentile(10));
        System.out.println("Median: " + p.getPercentile(50));
        System.out.println("75th: " + p.getPercentile(75));
        System.out.println("90th: " + p.getPercentile(90));
        System.out.println("99th: " + p.getPercentile(99));
        System.out.println("99.5th: " + p.getPercentile(99.5));
        System.out.println("99.99: " + p.getPercentile(99.99));
        Assert.assertEquals(2, p.getPercentile(50));
        Assert.assertEquals(2, p.getPercentile(10));
        Assert.assertEquals(2, p.getPercentile(75));
        if (p.getPercentile(95) < 600) {
            fail("We expect the 90th to be over 600 to show the extremes but got: " + p.getPercentile(90));
        }
        if (p.getPercentile(99) < 600) {
            fail("We expect the 99th to be over 600 to show the extremes but got: " + p.getPercentile(99));
        }
    }

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Examples of com.netflix.hystrix.util.HystrixRollingPercentile.PercentileSnapshot

        }
    }


    @Test
    public void testPercentileAlgorithm_HighPercentile() {
        PercentileSnapshot p = getPercentileForValues(1, 2, 3);
        Assert.assertEquals(2, p.getPercentile(50));
        Assert.assertEquals(3, p.getPercentile(75));
    }

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Examples of com.netflix.hystrix.util.HystrixRollingPercentile.PercentileSnapshot

        Assert.assertEquals(3, p.getPercentile(75));
    }


    @Test
    public void testPercentileAlgorithm_LowPercentile() {
        PercentileSnapshot p = getPercentileForValues(1, 2);
        Assert.assertEquals(1, p.getPercentile(25));
        Assert.assertEquals(2, p.getPercentile(75));
    }

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Examples of com.netflix.hystrix.util.HystrixRollingPercentile.PercentileSnapshot

        Assert.assertEquals(2, p.getPercentile(75));
    }


    @Test
    public void testPercentileAlgorithm_Percentiles() {
        PercentileSnapshot p = getPercentileForValues(10, 30, 20, 40);
        Assert.assertEquals(22, p.getPercentile(30), 1.0e-5);
        Assert.assertEquals(20, p.getPercentile(25), 1.0e-5);
        Assert.assertEquals(40, p.getPercentile(75), 1.0e-5);
        Assert.assertEquals(30, p.getPercentile(50), 1.0e-5);


        // invalid percentiles
        Assert.assertEquals(10, p.getPercentile(-1));
        Assert.assertEquals(40, p.getPercentile(101));
    }

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Examples of com.netflix.hystrix.util.HystrixRollingPercentile.PercentileSnapshot

        Assert.assertEquals(40, p.getPercentile(101));
    }


    @Test
    public void testPercentileAlgorithm_NISTExample() {
        PercentileSnapshot p = getPercentileForValues(951772, 951567, 951937, 951959, 951442, 950610, 951591, 951195, 951772, 950925, 951990, 951682);
        Assert.assertEquals(951983, p.getPercentile(90));
        Assert.assertEquals(951990, p.getPercentile(100));
    }

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