pkuwm commented on issue #542: Use a copy of the new best possible assignment for measuring baseline divergence URL: https://github.com/apache/helix/pull/542#issuecomment-548471189 This PR is ready to be merged, approved by @narendly Commit message: ``` The new assignment is really critical in waged rebalancer. If there is any potential changes in measure baseline divergence, waged rebalancer may not work correctly. To avoid changes of the new assignment and make it safe when being used to measure baseline divergence, use a deep copy of the new assignment. ```
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