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Posted to reviews@helix.apache.org by GitBox <gi...@apache.org> on 2019/09/16 00:01:18 UTC
[GitHub] [helix] narendly opened a new pull request #477: Fix
CustomRebalancer's assignment computation
narendly opened a new pull request #477: Fix CustomRebalancer's assignment computation
URL: https://github.com/apache/helix/pull/477
It was observed that sometimes CustomRebalancer would leave out an instance entirely if an instance is disabled or the partition on the instance was still bootstrapping (current state is null). This would cause a cluster not to converge.
This diff fixes this by 1) still including an assignment from IdealState even though the current state is null (maybe due to a pending state transition) 2) putting disabled partitions in InitialState.
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