[jira] [Created] (HELIX-571) Rack-aware rebalancer

[Zhen Zhang (JIRA)]

Zhen Zhang created HELIX-571:
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             Summary: Rack-aware rebalancer
                 Key: HELIX-571
                 URL: https://issues.apache.org/jira/browse/HELIX-571
             Project: Apache Helix
          Issue Type: Bug
            Reporter: Zhen Zhang


If rack information is available, we sometimes need to put replica of the same 
partition different racks to avoid them sharing the same failure domain. This 
is a serious concern especially when rack has a single switch.



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