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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