jadami10 opened a new pull request, #11509:
URL: https://github.com/apache/pinot/pull/11509

   This is a small feature to help address #11488.
   
   1. the lead controller rebalance delay is now configurable
   2. changing rebalance configurations will now update the lead controller 
resource
   
   Internally, we're seeing 5 minutes of lag during segment commit whenever a 
controller is missing until the partitions are reassigned. This happens 
multiple times a week as we continuously replace servers. Making this 
configurable, will let us set this to a much lower value (starting with 5 
seconds) to ensure we do not incur ingestion lag. The code also doesn't support 
updating the node unless it's disabled. This now allows updating the lead 
resource batch message mode, rebalance strategy, or rebalance delay change.


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