akshayrai commented on a change in pull request #4217: [TE] distribute
detection and notification tasks
URL: https://github.com/apache/incubator-pinot/pull/4217#discussion_r285290205
##########
File path:
thirdeye/thirdeye-pinot/src/main/java/org/apache/pinot/thirdeye/detection/yaml/CompositePipelineConfigTranslator.java
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@@ -379,16 +380,24 @@ private void fillInDetectorWrapperProperties(Map<String,
Object> properties, Map
return properties;
}
+ // Default schedule:
+ // minute granularity: every 15 minutes, starts at 0 minute
+ // hourly: every hour, starts at 0 minute
+ // daily: every day, starts at 2 pm UTC
+ // others: every day, start at 12 am UTC
private String buildCron() {
+ // starts at random second to reduce task spike
Review comment:
Can you include a comment on what task spike you are referring to here? and
why is that a problem? probably mention how this correlates to high mysql
updates.
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