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Posted to commits@helix.apache.org by "Vinayak Borkar (JIRA)" <ji...@apache.org> on 2013/09/18 02:41:56 UTC

[jira] [Created] (HELIX-247) Add concept of resource groups

Vinayak Borkar created HELIX-247:
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             Summary: Add concept of resource groups
                 Key: HELIX-247
                 URL: https://issues.apache.org/jira/browse/HELIX-247
             Project: Apache Helix
          Issue Type: Bug
          Components: helix-core
    Affects Versions: 0.6.1-incubating
            Reporter: Vinayak Borkar


When rebalancing resources, each resource is balanced one at a time. Sometimes its useful to reason about placement of a group of resources simultaneously. For example, if a system desires to colocate corresponding partitions of a set of resources so that they reside on the same nodes, the rebalancer can look at that set as one group to decide the right transitions to make. The same feature could be used to de-cluster (make sure they are on different nodes) partitions of resources in a set.

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