akshayrai commented on a change in pull request #4900: [TE][detection]
Implement anomalies cache to speed up detection
URL: https://github.com/apache/incubator-pinot/pull/4900#discussion_r359165436
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File path:
thirdeye/thirdeye-pinot/src/main/java/org/apache/pinot/thirdeye/detection/algorithm/DimensionWrapper.java
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@@ -308,6 +314,33 @@ public DetectionPipelineResult run() throws Exception {
predictionResults,
calculateEvaluationMetrics(predictionResults)).setDiagnostics(diagnostics);
}
+ private DatasetConfigDTO retrieveDatasetConfig(List<MetricEntity>
nestedMetrics) {
+ // All nested metrics after dimension explore belong to the same dataset
+ long metricId = nestedMetrics.get(0).getId();
+ MetricConfigDTO metricConfigDTO =
this.provider.fetchMetrics(Collections.singletonList(metricId)).get(metricId);
+
+ return
this.provider.fetchDatasets(Collections.singletonList(metricConfigDTO.getDataset()))
+ .get(metricConfigDTO.getDataset());
+ }
+
+ private void warmUpAnomaliesCache(List<MetricEntity> nestedMetrics) {
+ DatasetConfigDTO dataset = retrieveDatasetConfig(nestedMetrics);
+ long cachingPeriodLookback =
config.getProperties().containsKey(PROP_CACHE_PERIOD_LOOKBACK) ?
+ MapUtils.getLong(config.getProperties(), PROP_CACHE_PERIOD_LOOKBACK) :
ThirdEyeUtils
+ .getCachingPeriodLookback(dataset.bucketTimeGranularity());
+
+ long paddingBuffer = TimeUnit.DAYS.toMillis(1); // 100000
+ AnomalySlice anomalySlice = new AnomalySlice()
Review comment:
By default, fetchAnomalies will only return parent anomalies.
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