akshayrai commented on a change in pull request #3866: [TE] detection - task
scheduler backoff fix
URL: https://github.com/apache/incubator-pinot/pull/3866#discussion_r259512209
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File path:
thirdeye/thirdeye-pinot/src/main/java/org/apache/pinot/thirdeye/detection/alert/DetectionAlertJob.java
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@@ -61,6 +63,21 @@ public void execute(JobExecutionContext
jobExecutionContext) throws JobExecution
DetectionAlertTaskInfo taskInfo = new
DetectionAlertTaskInfo(detectionAlertConfigId);
+ // check if a task for this detection alerter is already scheduled
+ String jobName = String.format("%s_%d",
TaskConstants.TaskType.DETECTION_ALERT, detectionAlertConfigId);
+ List<TaskDTO> scheduledTasks = taskDAO.findByPredicate(Predicate.AND(
Review comment:
Do we know why the tasks are piling up? Is it because of one server?
Adding this condition might stop the tasks from piling up but we could delay
the detection and increase the MTTD without even realizing it, right!
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