suddendust opened a new pull request #7173:
URL: https://github.com/apache/incubator-pinot/pull/7173


   ## Description
   #7156
   This PR deprecates certain controller configurations  in favour of new 
configs that accept human-readable period strings. 
   
   
   ## Upgrade Notes
   Does this PR prevent a zero down-time upgrade? (Assume upgrade order: 
Controller, Broker, Server, Minion)
   * [ ] Yes
   
   Does this PR fix a zero-downtime upgrade introduced earlier?
   * [ ] Yes
   
   Does this PR otherwise need attention when creating release notes? 
   * [x] Yes
   
   ## Release Notes
   The following configurations have been updated. The ones to the left of the 
`-> ` have been deprecated. Each deprecated configuration has been replaced 
with the corresponding configuration to the right of the `-> `. If both configs 
are present, the new one is picked. If both configs are present but the new 
config uses an incorrect representation of period string, an exception is 
thrown (it does not fallback to the old configuration).
   
   - `controller.retention.frequencyInSeconds` ->  
`controller.retention.frequencyPeriod`
   -  `controller.offline.segment.interval.checker.frequencyInSeconds` -> 
`controller.offline.segment.interval.checker.frequencyPeriod`
   - `controller.realtime.segment.validation.frequencyInSeconds` -> 
`controller.realtime.segment.validation.frequencyPeriod`
   - `controller.realtime.segment.validation.initialDelayInSeconds` -> 
`controller.realtime.segment.validation.initialDelayPeriod`
   - `controller.broker.resource.validation.frequencyInSeconds` -> 
`controller.broker.resource.validation.frequencyPeriod`
   - `controller.broker.resource.validation.initialDelayInSeconds` -> 
`controller.broker.resource.validation.initialDelayPeriod`
   - `controller.statuschecker.frequencyInSeconds` -> 
`controller.statuschecker.frequencyPeriod`
   - `controller.statuschecker.waitForPushTimeInSeconds` -> 
`controller.statuschecker.waitForPushTimePeriod`
   - `controller.task.frequencyInSeconds` -> `controller.task.frequencyPeriod`
   - `controller.minion.instances.cleanup.task.frequencyInSeconds` -> 
`controller.minion.instances.cleanup.task.frequencyPeriod`
   - `controller.minion.instances.cleanup.task.initialDelaySeconds` -> 
`controller.minion.instances.cleanup.task.initialDelayPeriod`
   - 
`controller.minion.instances.cleanup.task.minOfflineTimeBeforeDeletionSeconds` 
-> `controller.minion.instances.cleanup.task.minOfflineTimeBeforeDeletionPeriod`
   - `controller.minion.task.metrics.emitter.frequencyInSeconds` -> 
`controller.minion.task.metrics.emitter.frequencyPeriod`
   - `controller.segment.relocator.frequencyInSeconds` -> 
`controller.segment.relocator.frequencyPeriod`
   - `controller.segment.level.validation.intervalInSeconds` -> 
`controller.segment.level.validation.intervalPeriod`
   - `controller.statusChecker.initialDelayInSeconds` -> 
`controller.statusChecker.initialDelayPeriod`
   - `controller.retentionManager.initialDelayInSeconds` -> 
`controller.retentionManager.initialDelayPeriod`
   - `controller.offlineSegmentIntervalChecker.initialDelayInSeconds` -> 
`controller.offlineSegmentIntervalChecker.initialDelayPeriod`
   - `controller.segmentRelocator.initialDelayInSeconds` -> 
`controller.segmentRelocator.initialDelayPeriod`
   
   Some examples of updated configurations:
   ```
   controller.segmentRelocator.initialDelayPeriod=20s
    #controller.segment.level.validation.intervalPeriod=5m
   ```
   
   ## Documentation
   Final PR for docs update will be raised once this PR is approved.
   


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