narendly commented on a change in pull request #632: Asynchronously calculating
the Baseline
URL: https://github.com/apache/helix/pull/632#discussion_r351632205
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File path: helix-core/src/main/java/org/apache/helix/model/ClusterConfig.java
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@@ -94,7 +94,12 @@
// The preference of the rebalance result.
// EVENNESS - Evenness of the resource utilization, partition, and top
state distribution.
// LESS_MOVEMENT - the tendency of keeping the current assignment instead
of moving the partition for optimal assignment.
- REBALANCE_PREFERENCE
+ REBALANCE_PREFERENCE,
+ // Specify if the WAGED rebalancer should asynchronously calculating the
global rebalance result.
+ // Note that asynchronously calculating will reduce the rebalance delay
but may cause more
Review comment:
Could you please explain simply and clearly why it might cause more
partition movement? Sure, you could say that you'll add it later in the
documentation, but please make this clear here as well.
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