Package org.dashbuilder.dataset.engine.index.stats

Examples of org.dashbuilder.dataset.engine.index.stats.DataSetIndexStats

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        }
        long time = System.nanoTime()-begin;

        // Check out the resulting stats
        DataSetIndex dataSetIndex = dataSetOpEngine.getIndexRegistry().get(EXPENSE_REPORTS);
        DataSetIndexStats stats = dataSetIndex.getStats();
        DataSet dataSet = dataSetIndex.getDataSet();
        System.out.println(stats.toString("\n"));

        // Assert the reuse of group operations and aggregate calculations is working.
        assertThat(stats.getNumberOfGroupOps()).isEqualTo(1);
        assertThat(stats.getNumberOfAggFunctions()).isEqualTo(10);

        // The build time should be shorter than the overall lookup time.
        assertThat(stats.getBuildTime()).isLessThan(time);

        // The reuse rate must reflect the number of times the lookups are being reused.
        assertThat(stats.getReuseRate()).isGreaterThanOrEqualTo(lookupTimes-1);

        // The index size must not be greater than the 20% of the dataset's size
        assertThat(stats.getIndexSize()).isLessThan(dataSet.getEstimatedSize()/5);
    }
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        }
        long time = System.nanoTime()-begin;

        // Check out the resulting stats
        DataSetIndex dataSetIndex = dataSetOpEngine.getIndexRegistry().get(EXPENSE_REPORTS);
        DataSetIndexStats stats = dataSetIndex.getStats();
        DataSet dataSet = dataSetIndex.getDataSet();

        System.out.println(stats.toString("\n"));

        // Assert reuse is working.
        assertThat(stats.getNumberOfFilterOps()).isEqualTo(2);

        // The build time should be shorter than the overall lookup time.
        assertThat(stats.getBuildTime()).isLessThan(time);

        // The reuse rate must reflect the number of times the lookups are being reused.
        assertThat(stats.getReuseRate()).isGreaterThanOrEqualTo(lookupTimes-1);

        // The index size must not be greater than the 20% of the dataset's size
        assertThat(stats.getIndexSize()).isLessThan(dataSet.getEstimatedSize()/5);
    }
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        }
        long time = System.nanoTime()-begin;

        // Check out the resulting stats
        DataSetIndex dataSetIndex = dataSetOpEngine.getIndexRegistry().get(EXPENSE_REPORTS);
        DataSetIndexStats stats = dataSetIndex.getStats();
        DataSet dataSet = dataSetIndex.getDataSet();

        System.out.println(stats.toString("\n"));

        // Assert the reuse of sort operations is working.
        assertThat(stats.getNumberOfSortOps()).isEqualTo(2);

        // The build time should be shorter than the overall lookup time.
        assertThat(stats.getBuildTime()).isLessThan(time);

        // The reuse rate must reflect the number of times the lookups are being reused.
        assertThat(stats.getReuseRate()).isGreaterThanOrEqualTo(lookupTimes - 1);

        // The index size must not be greater than the 20% of the dataset's size
        assertThat(stats.getIndexSize()).isLessThan(dataSet.getEstimatedSize()/5);
    }
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Related Classes of org.dashbuilder.dataset.engine.index.stats.DataSetIndexStats

  • org.dashbuilder.dataset.DataSetIndexTest
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