Examples with AnomalyTimelinesView com.linkedin.thirdeye.anomaly.views.AnomalyTimelinesView used on opensource projects

Example 1 with AnomalyTimelinesView

use of com.linkedin.thirdeye.anomaly.views.AnomalyTimelinesView in project pinot by linkedin.

the class AbstractModularizedAnomalyFunction method getTimeSeriesView.

// TODO: Generate time series view using ViewModel
@Override
public AnomalyTimelinesView getTimeSeriesView(MetricTimeSeries timeSeries, long bucketMillis, String metric, long viewWindowStartTime, long viewWindowEndTime, List<MergedAnomalyResultDTO> knownAnomalies) {
    AnomalyDetectionContext anomalyDetectionContext = BackwardAnomalyFunctionUtils.buildAnomalyDetectionContext(this, timeSeries, spec.getTopicMetric(), null, spec.getBucketSize(), spec.getBucketUnit(), new DateTime(viewWindowStartTime), new DateTime(viewWindowEndTime));
    String mainMetric = anomalyDetectionContext.getAnomalyDetectionFunction().getSpec().getTopicMetric();
    this.transformAndPredictTimeSeries(mainMetric, anomalyDetectionContext);
    TimeSeries observedTS = anomalyDetectionContext.getTransformedCurrent(mainMetric);
    TimeSeries expectedTS = ((ExpectedTimeSeriesPredictionModel) anomalyDetectionContext.getTrainedPredictionModel(mainMetric)).getExpectedTimeSeries();
    long expectedTSStartTime = expectedTS.getTimeSeriesInterval().getStartMillis();
    // Construct AnomalyTimelinesView
    AnomalyTimelinesView anomalyTimelinesView = new AnomalyTimelinesView();
    int bucketCount = (int) ((viewWindowEndTime - viewWindowStartTime) / bucketMillis);
    for (int i = 0; i < bucketCount; ++i) {
        long currentBucketMillis = viewWindowStartTime + i * bucketMillis;
        long baselineBucketMillis = expectedTSStartTime + i * bucketMillis;
        double observedValue = 0d;
        if (observedTS.hasTimestamp(currentBucketMillis)) {
            observedValue = observedTS.get(currentBucketMillis);
        }
        double expectedValue = 0d;
        if (expectedTS.hasTimestamp(baselineBucketMillis)) {
            expectedValue = expectedTS.get(baselineBucketMillis);
        }
        TimeBucket timebucket = new TimeBucket(currentBucketMillis, currentBucketMillis + bucketMillis, baselineBucketMillis, baselineBucketMillis + bucketMillis);
        anomalyTimelinesView.addTimeBuckets(timebucket);
        anomalyTimelinesView.addCurrentValues(observedValue);
        anomalyTimelinesView.addBaselineValues(expectedValue);
    }
    return anomalyTimelinesView;
}

Example 2 with AnomalyTimelinesView

use of com.linkedin.thirdeye.anomaly.views.AnomalyTimelinesView in project pinot by linkedin.

the class AnomalyResource method getAnomalyMergedResultTimeSeries.

/**
   * Returns the time series for the given anomaly.
   *
   * If viewWindowStartTime and/or viewWindowEndTime is not given, then a window is padded automatically. The padded
   * windows is half of the anomaly window size. For instance, if the anomaly lasts for 4 hours, then the pad window
   * size is 2 hours. The max padding size is 1 day.
   *
   * @param anomalyResultId the id of the given anomaly
   * @param viewWindowStartTime start time of the time series, inclusive
   * @param viewWindowEndTime end time of the time series, inclusive
   * @return the time series of the given anomaly
   * @throws Exception when it fails to retrieve collection, i.e., dataset, information
   */
@GET
@Path("/anomaly-merged-result/timeseries/{anomaly_merged_result_id}")
public AnomalyTimelinesView getAnomalyMergedResultTimeSeries(@NotNull @PathParam("anomaly_merged_result_id") long anomalyResultId, @NotNull @QueryParam("aggTimeGranularity") String aggTimeGranularity, @QueryParam("start") long viewWindowStartTime, @QueryParam("end") long viewWindowEndTime) throws Exception {
    boolean loadRawAnomalies = false;
    MergedAnomalyResultDTO anomalyResult = anomalyMergedResultDAO.findById(anomalyResultId, loadRawAnomalies);
    DimensionMap dimensions = anomalyResult.getDimensions();
    AnomalyFunctionDTO anomalyFunctionSpec = anomalyResult.getFunction();
    BaseAnomalyFunction anomalyFunction = anomalyFunctionFactory.fromSpec(anomalyFunctionSpec);
    // By default, the padding window size is half of the anomaly window.
    if (viewWindowStartTime == 0 || viewWindowEndTime == 0) {
        long anomalyWindowStartTime = anomalyResult.getStartTime();
        long anomalyWindowEndTime = anomalyResult.getEndTime();
        long bucketMillis = TimeUnit.MILLISECONDS.convert(anomalyFunctionSpec.getBucketSize(), anomalyFunctionSpec.getBucketUnit());
        long bucketCount = (anomalyWindowEndTime - anomalyWindowStartTime) / bucketMillis;
        long paddingMillis = Math.max(1, (bucketCount / 2)) * bucketMillis;
        if (paddingMillis > TimeUnit.DAYS.toMillis(1)) {
            paddingMillis = TimeUnit.DAYS.toMillis(1);
        }
        if (viewWindowStartTime == 0) {
            viewWindowStartTime = anomalyWindowStartTime - paddingMillis;
        }
        if (viewWindowEndTime == 0) {
            viewWindowEndTime = anomalyWindowEndTime + paddingMillis;
        }
    }
    TimeGranularity timeGranularity = Utils.getAggregationTimeGranularity(aggTimeGranularity, anomalyFunctionSpec.getCollection());
    long bucketMillis = timeGranularity.toMillis();
    // ThirdEye backend is end time exclusive, so one more bucket is appended to make end time inclusive for frontend.
    viewWindowEndTime += bucketMillis;
    long maxDataTime = collectionMaxDataTimeCache.get(anomalyResult.getCollection());
    if (viewWindowEndTime > maxDataTime) {
        viewWindowEndTime = (anomalyResult.getEndTime() > maxDataTime) ? anomalyResult.getEndTime() : maxDataTime;
    }
    AnomalyDetectionInputContext adInputContext = TimeBasedAnomalyMerger.fetchDataByDimension(viewWindowStartTime, viewWindowEndTime, dimensions, anomalyFunction, anomalyMergedResultDAO, overrideConfigDAO, false);
    MetricTimeSeries metricTimeSeries = adInputContext.getDimensionKeyMetricTimeSeriesMap().get(dimensions);
    if (metricTimeSeries == null) {
        // the timeseries for the given anomaly
        return new AnomalyTimelinesView();
    }
    // Transform time series with scaling factor
    List<ScalingFactor> scalingFactors = adInputContext.getScalingFactors();
    if (CollectionUtils.isNotEmpty(scalingFactors)) {
        Properties properties = anomalyFunction.getProperties();
        MetricTransfer.rescaleMetric(metricTimeSeries, viewWindowStartTime, scalingFactors, anomalyFunctionSpec.getTopicMetric(), properties);
    }
    List<MergedAnomalyResultDTO> knownAnomalies = adInputContext.getKnownMergedAnomalies().get(dimensions);
    // Known anomalies are ignored (the null parameter) because 1. we can reduce users' waiting time and 2. presentation
    // data does not need to be as accurate as the one used for detecting anomalies
    AnomalyTimelinesView anomalyTimelinesView = anomalyFunction.getTimeSeriesView(metricTimeSeries, bucketMillis, anomalyFunctionSpec.getTopicMetric(), viewWindowStartTime, viewWindowEndTime, knownAnomalies);
    // Generate summary for frontend
    List<TimeBucket> timeBuckets = anomalyTimelinesView.getTimeBuckets();
    if (timeBuckets.size() > 0) {
        TimeBucket firstBucket = timeBuckets.get(0);
        anomalyTimelinesView.addSummary("currentStart", Long.toString(firstBucket.getCurrentStart()));
        anomalyTimelinesView.addSummary("baselineStart", Long.toString(firstBucket.getBaselineStart()));
        TimeBucket lastBucket = timeBuckets.get(timeBuckets.size() - 1);
        anomalyTimelinesView.addSummary("currentEnd", Long.toString(lastBucket.getCurrentStart()));
        anomalyTimelinesView.addSummary("baselineEnd", Long.toString(lastBucket.getBaselineEnd()));
    }
    return anomalyTimelinesView;
}

Example 3 with AnomalyTimelinesView

use of com.linkedin.thirdeye.anomaly.views.AnomalyTimelinesView in project pinot by linkedin.

the class BaseAnomalyFunction method getTimeSeriesView.

/**
   * This method provides a view of current time series, i.e., no baseline time series.
   *
   * @param timeSeries the time series that contains the metric to be processed
   * @param bucketMillis the size of a bucket in milli-seconds
   * @param metric the metric name to retrieve the data from the given time series
   * @param viewWindowStartTime the start time bucket of current time series, inclusive
   * @param viewWindowEndTime the end time buckets of current time series, exclusive
   * @param knownAnomalies it is assumed to be null for presentational purpose.
   * @return
   */
@Override
public AnomalyTimelinesView getTimeSeriesView(MetricTimeSeries timeSeries, long bucketMillis, String metric, long viewWindowStartTime, long viewWindowEndTime, List<MergedAnomalyResultDTO> knownAnomalies) {
    AnomalyTimelinesView anomalyTimelinesView = new AnomalyTimelinesView();
    // Construct Week-over-Week AnomalyTimelinesView
    int bucketCount = (int) ((viewWindowEndTime - viewWindowStartTime) / bucketMillis);
    for (int i = 0; i < bucketCount; ++i) {
        long currentBucketMillis = viewWindowStartTime + i * bucketMillis;
        long baselineBucketMillis = currentBucketMillis - TimeUnit.DAYS.toMillis(7);
        TimeBucket timebucket = new TimeBucket(currentBucketMillis, currentBucketMillis + bucketMillis, baselineBucketMillis, baselineBucketMillis + bucketMillis);
        anomalyTimelinesView.addTimeBuckets(timebucket);
        anomalyTimelinesView.addCurrentValues(timeSeries.get(currentBucketMillis, metric).doubleValue());
        anomalyTimelinesView.addBaselineValues(timeSeries.get(baselineBucketMillis, metric).doubleValue());
    }
    return anomalyTimelinesView;
}

Example 4 with AnomalyTimelinesView

use of com.linkedin.thirdeye.anomaly.views.AnomalyTimelinesView in project pinot by linkedin.

the class RatioOutlierFunction method getTimeSeriesView.

@Override
public AnomalyTimelinesView getTimeSeriesView(MetricTimeSeries timeSeries, long bucketMillis, String metric, long viewWindowStartTime, long viewWindowEndTime, List<MergedAnomalyResultDTO> knownAnomalies) {
    double min = 0.0d;
    try {
        // Parse function properties
        Properties props = getProperties();
        // Get min / max props
        if (props.containsKey(MIN_VAL)) {
            min = Double.valueOf(props.getProperty(MIN_VAL));
        }
    } catch (IOException e) {
        LOG.warn("Error extracting min value, using 0.0 instead");
    }
    String m_a = getSpec().getMetrics().get(0);
    String m_b = getSpec().getMetrics().get(1);
    AnomalyTimelinesView view = new AnomalyTimelinesView();
    int bucketCount = (int) ((viewWindowEndTime - viewWindowStartTime) / bucketMillis);
    for (int i = 0; i < bucketCount; ++i) {
        long currentBucketMillis = viewWindowStartTime + i * bucketMillis;
        long baselineBucketMillis = currentBucketMillis - TimeUnit.DAYS.toMillis(7);
        TimeBucket timebucket = new TimeBucket(currentBucketMillis, currentBucketMillis + bucketMillis, baselineBucketMillis, baselineBucketMillis + bucketMillis);
        view.addTimeBuckets(timebucket);
        double value_a = timeSeries.get(currentBucketMillis, m_a).doubleValue();
        double value_b = timeSeries.get(currentBucketMillis, m_b).doubleValue();
        if (value_b != 0.0d) {
            double ratio = value_a / value_b;
            view.addCurrentValues(ratio);
        } else {
            view.addCurrentValues(Double.NaN);
        }
        view.addBaselineValues(min);
    }
    return view;
}

Example 5 with AnomalyTimelinesView

use of com.linkedin.thirdeye.anomaly.views.AnomalyTimelinesView in project pinot by linkedin.

the class AnomaliesResource method getAnomalyDetails.

/**
   * Generates Anomaly Details for each merged anomaly
   * @param mergedAnomaly
   * @param datasetConfig
   * @param timeSeriesDateFormatter
   * @param startEndDateFormatterHours
   * @param startEndDateFormatterDays
   * @param externalUrl
   * @return
   */
private AnomalyDetails getAnomalyDetails(MergedAnomalyResultDTO mergedAnomaly, DatasetConfigDTO datasetConfig, DateTimeFormatter timeSeriesDateFormatter, DateTimeFormatter startEndDateFormatterHours, DateTimeFormatter startEndDateFormatterDays, String externalUrl) throws Exception {
    String dataset = datasetConfig.getDataset();
    String metricName = mergedAnomaly.getMetric();
    AnomalyFunctionDTO anomalyFunctionSpec = anomalyFunctionDAO.findById(mergedAnomaly.getFunctionId());
    BaseAnomalyFunction anomalyFunction = anomalyFunctionFactory.fromSpec(anomalyFunctionSpec);
    String aggGranularity = constructAggGranularity(datasetConfig);
    long anomalyStartTime = mergedAnomaly.getStartTime();
    long anomalyEndTime = mergedAnomaly.getEndTime();
    TimeRange range = getTimeseriesOffsetedTimes(anomalyStartTime, anomalyEndTime, datasetConfig);
    long currentStartTime = range.getStart();
    long currentEndTime = range.getEnd();
    DimensionMap dimensions = mergedAnomaly.getDimensions();
    TimeGranularity timeGranularity = Utils.getAggregationTimeGranularity(aggGranularity, anomalyFunctionSpec.getCollection());
    long bucketMillis = timeGranularity.toMillis();
    AnomalyDetails anomalyDetails = null;
    try {
        AnomalyDetectionInputContext adInputContext = TimeBasedAnomalyMerger.fetchDataByDimension(currentStartTime, currentEndTime, dimensions, anomalyFunction, mergedAnomalyResultDAO, overrideConfigDAO, true);
        MetricTimeSeries metricTimeSeries = adInputContext.getDimensionKeyMetricTimeSeriesMap().get(dimensions);
        // Transform time series with scaling factor
        List<ScalingFactor> scalingFactors = adInputContext.getScalingFactors();
        if (CollectionUtils.isNotEmpty(scalingFactors)) {
            Properties properties = anomalyFunction.getProperties();
            MetricTransfer.rescaleMetric(metricTimeSeries, currentStartTime, scalingFactors, anomalyFunctionSpec.getTopicMetric(), properties);
        }
        List<MergedAnomalyResultDTO> knownAnomalies = adInputContext.getKnownMergedAnomalies().get(dimensions);
        // Known anomalies are ignored (the null parameter) because 1. we can reduce users' waiting time and 2. presentation
        // data does not need to be as accurate as the one used for detecting anomalies
        AnomalyTimelinesView anomalyTimelinesView = anomalyFunction.getTimeSeriesView(metricTimeSeries, bucketMillis, anomalyFunctionSpec.getTopicMetric(), currentStartTime, currentEndTime, knownAnomalies);
        anomalyDetails = constructAnomalyDetails(metricName, dataset, datasetConfig, mergedAnomaly, anomalyFunctionSpec, currentStartTime, currentEndTime, anomalyTimelinesView, timeSeriesDateFormatter, startEndDateFormatterHours, startEndDateFormatterDays, externalUrl);
    } catch (Exception e) {
        LOG.error("Exception in constructing anomaly wrapper for anomaly {}", mergedAnomaly.getId(), e);
    }
    return anomalyDetails;
}