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From "Zhen Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HELIX-571) Rack-aware rebalancer
Date Wed, 04 Mar 2015 21:46:38 GMT

     [ https://issues.apache.org/jira/browse/HELIX-571?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Zhen Zhang updated HELIX-571:
-----------------------------
    Description: If rack information is available, we sometimes need to put replica of the
same partition on different racks to avoid them sharing the same failure domain. This is a
serious concern especially when rack has a single switch.  (was: 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.)

> 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
on 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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