apucher commented on a change in pull request #3450: [TE] Reset default
lookback for merging anomalies
URL: https://github.com/apache/incubator-pinot/pull/3450#discussion_r232116563
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File path:
thirdeye/thirdeye-pinot/src/main/java/com/linkedin/thirdeye/anomaly/merge/AnomalyMergeConfig.java
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@@ -39,7 +39,10 @@
public class AnomalyMergeConfig {
private AnomalyMergeStrategy mergeStrategy = AnomalyMergeStrategy.FUNCTION;
private long sequentialAllowedGap = 30_000; // 30 seconds
- private long maxMergeDurationLength = 12 * 60 * 60 * 1000; // 12 hours
+
+ // Look back for 2 days to accommodate merging of anomalies in daily metrics
+ private long maxMergeDurationLength = 48 * 60 * 60 * 1000; // 48 hours
Review comment:
I get the intention, but what makes 48h the right number? maybe 7 days? or 3?
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