Examples with TimeValue io.cdap.cdap.api.dataset.lib.cube.TimeValue used on opensource projects

Example 21 with TimeValue

use of io.cdap.cdap.api.dataset.lib.cube.TimeValue in project cdap by cdapio.

the class FactScanner method createIterator.

private Iterator<FactScanResult> createIterator() {
    return new AbstractIterator<FactScanResult>() {

        @Override
        protected FactScanResult computeNext() {
            Row rowResult;
            while ((rowResult = scanner.next()) != null) {
                rowScanned++;
                byte[] rowKey = rowResult.getRow();
                // Decode context and metric from key
                String measureName = codec.getMeasureName(rowKey);
                // if measureNames is empty we include all metrics
                if (!measureNames.isEmpty() && !measureNames.contains(measureName)) {
                    continue;
                }
                // todo: codec.getDimensionValues(rowKey) needs to un-encode dimension names which may result in read in
                // entity table (depending on the cache and its state). To avoid that, we can pass to scanner the
                // list of dimension names as we *always* know it (it is given) at the time of scanning
                List<DimensionValue> dimensionValues = codec.getDimensionValues(rowKey);
                boolean exhausted = false;
                List<TimeValue> timeValues = Lists.newLinkedList();
                // todo: entry set is ordered by ts?
                for (Map.Entry<byte[], byte[]> columnValue : rowResult.getColumns().entrySet()) {
                    long ts = codec.getTimestamp(rowKey, columnValue.getKey());
                    if (ts < startTs) {
                        continue;
                    }
                    if (ts > endTs) {
                        exhausted = true;
                        break;
                    }
                    // todo: move Bytes.toLong into codec?
                    TimeValue timeValue = new TimeValue(ts, Bytes.toLong(columnValue.getValue()));
                    timeValues.add(timeValue);
                }
                if (timeValues.isEmpty() && exhausted) {
                    break;
                }
                // todo: can return empty list, if all data is < startTs or > endTs
                return new FactScanResult(measureName, dimensionValues, timeValues);
            }
            scanner.close();
            return endOfData();
        }
    };
}

Example 22 with TimeValue

use of io.cdap.cdap.api.dataset.lib.cube.TimeValue in project cdap by cdapio.

the class AbstractCubeTest method testMetricsAggregationOptionLatest.

@Test
public void testMetricsAggregationOptionLatest() throws Exception {
    Aggregation agg = new DefaultAggregation(ImmutableList.of("dim1", "dim2", "dim3"), ImmutableList.of("dim1"));
    int resolution = 1;
    Cube cube = getCube("testAggOptionLatest", new int[] { resolution }, ImmutableMap.of("agg", agg));
    Map<String, String> aggDims = new LinkedHashMap<>();
    aggDims.put("dim1", "tag1");
    aggDims.put("dim2", "tag2");
    aggDims.put("dim3", "tag3");
    // write 100 data points to agg
    for (int i = 1; i <= 100; i++) {
        writeGauge(cube, "metric1", i, i, aggDims);
    }
    // query for latest, should have the latest value for each interval, 20, 40, 60, 80, 100
    CubeQuery query = new CubeQuery(null, 0, 200, 1, 5, ImmutableMap.of("metric1", AggregationFunction.SUM), aggDims, Collections.emptyList(), AggregationOption.LATEST, null);
    List<TimeSeries> result = new ArrayList<>(cube.query(query));
    Assert.assertEquals(1, result.size());
    List<TimeValue> timeValues = result.get(0).getTimeValues();
    for (int i = 0; i < timeValues.size(); i++) {
        Assert.assertEquals(20 * (i + 1), timeValues.get(i).getValue());
    }
}

Example 23 with TimeValue

use of io.cdap.cdap.api.dataset.lib.cube.TimeValue in project cdap by cdapio.

the class AbstractCubeTest method testInterpolate.

@Test
public void testInterpolate() throws Exception {
    Aggregation agg1 = new DefaultAggregation(ImmutableList.of("dim1", "dim2", "dim3"), ImmutableList.of("dim1", "dim2", "dim3"));
    int resolution = 1;
    Cube cube = getCube("myInterpolatedCube", new int[] { resolution }, ImmutableMap.of("agg1", agg1));
    // test step interpolation
    long startTs = 1;
    long endTs = 10;
    writeInc(cube, "metric1", startTs, 5, "1", "1", "1");
    writeInc(cube, "metric1", endTs, 3, "1", "1", "1");
    List<TimeValue> expectedTimeValues = Lists.newArrayList();
    for (long i = startTs; i < endTs; i++) {
        expectedTimeValues.add(new TimeValue(i, 5));
    }
    expectedTimeValues.add(new TimeValue(endTs, 3));
    verifyCountQuery(cube, startTs, endTs, resolution, "metric1", AggregationFunction.SUM, ImmutableMap.of("dim1", "1", "dim2", "1", "dim3", "1"), new ArrayList<String>(), ImmutableList.of(new TimeSeries("metric1", new HashMap<String, String>(), expectedTimeValues)), new Interpolators.Step());
    Map<String, String> deleteTags = new LinkedHashMap<>();
    deleteTags.put("dim1", "1");
    deleteTags.put("dim2", "1");
    deleteTags.put("dim3", "1");
    Predicate<List<String>> predicate = aggregates -> Collections.indexOfSubList(aggregates, new ArrayList<>(deleteTags.keySet())) == 0;
    CubeDeleteQuery query = new CubeDeleteQuery(startTs, endTs, resolution, deleteTags, Collections.singletonList("metric1"), predicate);
    cube.delete(query);
    // test small-slope linear interpolation
    startTs = 1;
    endTs = 5;
    writeInc(cube, "metric1", startTs, 5, "1", "1", "1");
    writeInc(cube, "metric1", endTs, 3, "1", "1", "1");
    verifyCountQuery(cube, startTs, endTs, resolution, "metric1", AggregationFunction.SUM, ImmutableMap.of("dim1", "1", "dim2", "1", "dim3", "1"), new ArrayList<String>(), ImmutableList.of(new TimeSeries("metric1", new HashMap<String, String>(), timeValues(1, 5, 2, 5, 3, 4, 4, 4, 5, 3))), new Interpolators.Linear());
    query = new CubeDeleteQuery(startTs, endTs, resolution, deleteTags, Collections.singletonList("metric1"), predicate);
    cube.delete(query);
    // test big-slope linear interpolation
    writeInc(cube, "metric1", startTs, 100, "1", "1", "1");
    writeInc(cube, "metric1", endTs, 500, "1", "1", "1");
    verifyCountQuery(cube, startTs, endTs, resolution, "metric1", AggregationFunction.SUM, ImmutableMap.of("dim1", "1", "dim2", "1", "dim3", "1"), new ArrayList<String>(), ImmutableList.of(new TimeSeries("metric1", new HashMap<String, String>(), timeValues(1, 100, 2, 200, 3, 300, 4, 400, 5, 500))), new Interpolators.Linear());
    cube.delete(query);
    // test limit on Interpolate
    long limit = 20;
    writeInc(cube, "metric1", 0, 10, "1", "1", "1");
    writeInc(cube, "metric1", limit + 1, 50, "1", "1", "1");
    expectedTimeValues.clear();
    expectedTimeValues.add(new TimeValue(0, 10));
    for (long i = 1; i <= limit; i++) {
        expectedTimeValues.add(new TimeValue(i, 0));
    }
    expectedTimeValues.add(new TimeValue(limit + 1, 50));
    verifyCountQuery(cube, 0, 21, resolution, "metric1", AggregationFunction.SUM, ImmutableMap.of("dim1", "1", "dim2", "1", "dim3", "1"), new ArrayList<String>(), ImmutableList.of(new TimeSeries("metric1", new HashMap<String, String>(), expectedTimeValues)), new Interpolators.Step(limit));
}

Example 24 with TimeValue

use of io.cdap.cdap.api.dataset.lib.cube.TimeValue in project cdap by caskdata.

the class FactTableTest method testBasics.

@Test
public void testBasics() throws Exception {
    InMemoryTableService.create("EntityTable");
    InMemoryTableService.create("DataTable");
    int resolution = 10;
    int rollTimebaseInterval = 2;
    FactTable table = new FactTable(new InMemoryMetricsTable("DataTable"), new EntityTable(new InMemoryMetricsTable("EntityTable")), resolution, rollTimebaseInterval);
    // aligned to start of resolution bucket
    // "/1000" because time is expected to be in seconds
    long ts = ((System.currentTimeMillis() / 1000) / resolution) * resolution;
    // testing encoding with multiple dims
    List<DimensionValue> dimensionValues = ImmutableList.of(new DimensionValue("dim1", "value1"), new DimensionValue("dim2", "value2"), new DimensionValue("dim3", "value3"));
    // trying adding one by one, in same (first) time resolution bucket
    for (int i = 0; i < 5; i++) {
        for (int k = 1; k < 4; k++) {
            // note: "+i" here and below doesn't affect results, just to confirm
            // that data points are rounded to the resolution
            table.add(ImmutableList.of(new Fact(ts + i, dimensionValues, new Measurement("metric" + k, MeasureType.COUNTER, k))));
        }
    }
    // trying adding one by one, in different time resolution buckets
    for (int i = 0; i < 3; i++) {
        for (int k = 1; k < 4; k++) {
            table.add(ImmutableList.of(new Fact(ts + resolution * i + i, dimensionValues, new Measurement("metric" + k, MeasureType.COUNTER, 2 * k))));
        }
    }
    // trying adding as list
    // first incs in same (second) time resolution bucket
    List<Fact> aggs = Lists.newArrayList();
    for (int i = 0; i < 7; i++) {
        for (int k = 1; k < 4; k++) {
            aggs.add(new Fact(ts + resolution, dimensionValues, new Measurement("metric" + k, MeasureType.COUNTER, 3 * k)));
        }
    }
    // then incs in different time resolution buckets
    for (int i = 0; i < 3; i++) {
        for (int k = 1; k < 4; k++) {
            aggs.add(new Fact(ts + resolution * i, dimensionValues, new Measurement("metric" + k, MeasureType.COUNTER, 4 * k)));
        }
    }
    table.add(aggs);
    // verify each metric
    for (int k = 1; k < 4; k++) {
        FactScan scan = new FactScan(ts - 2 * resolution, ts + 3 * resolution, "metric" + k, dimensionValues);
        Table<String, List<DimensionValue>, List<TimeValue>> expected = HashBasedTable.create();
        expected.put("metric" + k, dimensionValues, ImmutableList.of(new TimeValue(ts, 11 * k), new TimeValue(ts + resolution, 27 * k), new TimeValue(ts + 2 * resolution, 6 * k)));
        assertScan(table, expected, scan);
    }
    // verify each metric within a single timeBase
    for (int k = 1; k < 4; k++) {
        FactScan scan = new FactScan(ts, ts + resolution - 1, "metric" + k, dimensionValues);
        Table<String, List<DimensionValue>, List<TimeValue>> expected = HashBasedTable.create();
        expected.put("metric" + k, dimensionValues, ImmutableList.of(new TimeValue(ts, 11 * k)));
        assertScan(table, expected, scan);
    }
    // verify all metrics with fuzzy metric in scan
    Table<String, List<DimensionValue>, List<TimeValue>> expected = HashBasedTable.create();
    for (int k = 1; k < 4; k++) {
        expected.put("metric" + k, dimensionValues, ImmutableList.of(new TimeValue(ts, 11 * k), new TimeValue(ts + resolution, 27 * k), new TimeValue(ts + 2 * resolution, 6 * k)));
    }
    // metric = null means "all"
    FactScan scan = new FactScan(ts - 2 * resolution, ts + 3 * resolution, dimensionValues);
    assertScan(table, expected, scan);
    // delete metric test
    expected.clear();
    // delete the metrics data at (timestamp + 20) resolution
    scan = new FactScan(ts + resolution * 2, ts + resolution * 3, dimensionValues);
    table.delete(scan);
    for (int k = 1; k < 4; k++) {
        expected.put("metric" + k, dimensionValues, ImmutableList.of(new TimeValue(ts, 11 * k), new TimeValue(ts + resolution, 27 * k)));
    }
    // verify deletion
    scan = new FactScan(ts - 2 * resolution, ts + 3 * resolution, dimensionValues);
    assertScan(table, expected, scan);
    // delete metrics for "metric1" at ts0 and verify deletion
    scan = new FactScan(ts, ts + 1, "metric1", dimensionValues);
    table.delete(scan);
    expected.clear();
    expected.put("metric1", dimensionValues, ImmutableList.of(new TimeValue(ts + resolution, 27)));
    scan = new FactScan(ts - 2 * resolution, ts + 3 * resolution, "metric1", dimensionValues);
    assertScan(table, expected, scan);
    // verify the next dims search
    Collection<DimensionValue> nextTags = table.findSingleDimensionValue(ImmutableList.of("dim1", "dim2", "dim3"), ImmutableMap.of("dim1", "value1"), ts, ts + 1);
    Assert.assertEquals(ImmutableSet.of(new DimensionValue("dim2", "value2")), nextTags);
    Map<String, String> slice = Maps.newHashMap();
    slice.put("dim1", null);
    nextTags = table.findSingleDimensionValue(ImmutableList.of("dim1", "dim2", "dim3"), slice, ts, ts + 1);
    Assert.assertEquals(ImmutableSet.of(new DimensionValue("dim2", "value2")), nextTags);
    nextTags = table.findSingleDimensionValue(ImmutableList.of("dim1", "dim2", "dim3"), ImmutableMap.of("dim1", "value1", "dim2", "value2"), ts, ts + 3);
    Assert.assertEquals(ImmutableSet.of(new DimensionValue("dim3", "value3")), nextTags);
    // add new dim values
    dimensionValues = ImmutableList.of(new DimensionValue("dim1", "value1"), new DimensionValue("dim2", "value5"), new DimensionValue("dim3", null));
    table.add(ImmutableList.of(new Fact(ts, dimensionValues, new Measurement("metric", MeasureType.COUNTER, 10))));
    dimensionValues = ImmutableList.of(new DimensionValue("dim1", "value1"), new DimensionValue("dim2", null), new DimensionValue("dim3", "value3"));
    table.add(ImmutableList.of(new Fact(ts, dimensionValues, new Measurement("metric", MeasureType.COUNTER, 10))));
    nextTags = table.findSingleDimensionValue(ImmutableList.of("dim1", "dim2", "dim3"), ImmutableMap.of("dim1", "value1"), ts, ts + 1);
    Assert.assertEquals(ImmutableSet.of(new DimensionValue("dim2", "value2"), new DimensionValue("dim2", "value5"), new DimensionValue("dim3", "value3")), nextTags);
    // search for metric names given dims list and verify
    Collection<String> metricNames = table.findMeasureNames(ImmutableList.of("dim1", "dim2", "dim3"), ImmutableMap.of("dim1", "value1", "dim2", "value2", "dim3", "value3"), ts, ts + 1);
    Assert.assertEquals(ImmutableSet.of("metric2", "metric3"), metricNames);
    metricNames = table.findMeasureNames(ImmutableList.of("dim1", "dim2", "dim3"), ImmutableMap.of("dim1", "value1"), ts, ts + 1);
    Assert.assertEquals(ImmutableSet.of("metric", "metric2", "metric3"), metricNames);
    metricNames = table.findMeasureNames(ImmutableList.of("dim1", "dim2", "dim3"), ImmutableMap.of("dim2", "value2"), ts, ts + 1);
    Assert.assertEquals(ImmutableSet.of("metric2", "metric3"), metricNames);
    metricNames = table.findMeasureNames(ImmutableList.of("dim1", "dim2", "dim3"), slice, ts, ts + 1);
    Assert.assertEquals(ImmutableSet.of("metric", "metric2", "metric3"), metricNames);
}

Example 25 with TimeValue

use of io.cdap.cdap.api.dataset.lib.cube.TimeValue in project cdap by caskdata.

the class PreviewDataStreamsTest method getTotalMetric.

private long getTotalMetric(Map<String, String> tags, String metricName, PreviewManager previewManager) {
    MetricDataQuery query = new MetricDataQuery(0, 0, Integer.MAX_VALUE, metricName, AggregationFunction.SUM, tags, new ArrayList<String>());
    Collection<MetricTimeSeries> result = previewManager.getMetricsQueryHelper().getMetricStore().query(query);
    if (result.isEmpty()) {
        return 0;
    }
    List<TimeValue> timeValues = result.iterator().next().getTimeValues();
    if (timeValues.isEmpty()) {
        return 0;
    }
    return timeValues.get(0).getValue();
}