Kanak Biscuitwala created HELIX-152:
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Summary: Extend auto rebalance to accept replicas with non-unit
weights
Key: HELIX-152
URL: https://issues.apache.org/jira/browse/HELIX-152
Project: Apache Helix
Issue Type: Improvement
Components: helix-core
Reporter: Kanak Biscuitwala
Priority: Minor
The current auto rebalancing strategy assumes that each replica adds a
one-dimensional value of 1. It may make sense to make these costs weighted and
perhaps multi-dimensional.
This is similar to problems related to constraint satisfaction or knapsack
solving, and some existing implementations may be worth looking at. One
example: https://code.google.com/p/or-tools/
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