jiajunwang opened a new issue #526: Need a better way to verify (wait) if the partition assignment converged or not. URL: https://github.com/apache/helix/issues/526 Currently, we use the verifier to check if the partitions in a cluster have been allocated to the ideal placement. The verifier compares the current states vs. the IdealState mapping. This method itself is fine, but we don't have a good way to know when can the verifier starts to wait. For example, if the cluster change just happens, and the verifier starts waiting before the rebalance calculation is done, the result will be returned prematurely. So, a better way to tell when controller has finished calculation and then kick off the verifier's check logic is required. This will help us eliminate the hardcoded thread sleeps in the tests, and stabilize the tests.
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