hangc0276 opened a new issue #13340:
URL: https://github.com/apache/pulsar/issues/13340


   ### Motivation
   The ThresholdShedder load balance policy since Pulsar 2.6.0 by 
https://github.com/apache/pulsar/pull/6772. It can resolve many load balance 
issues of `OverloadShedder` and works well in many Pulsar production clusters.
   
   In Pulsar 2.6.0, 2.7.0, 2.8.0 and 2.9.0, Pulsar's default load balance 
policy is `OverloadShedder`.
   
   I think it's a good time for 2.10 to change default load balance policy to 
`ThresholdShedder`, it will make throughput more balance between brokers.
   
   ### Proposed Changes
   In 2.10 release,for `broker.conf`, change `loadBalancerLoadSheddingStrategy` 
from `org.apache.pulsar.broker.loadbalance.impl.OverloadShedder` to 
`org.apache.pulsar.broker.loadbalance.impl.ThresholdShedder` 
   


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