jiajunwang commented on a change in pull request #514: The WAGED rebalancer 
returns the previously calculated assignment on calculation failure
URL: https://github.com/apache/helix/pull/514#discussion_r337194743
 
 

 ##########
 File path: 
helix-core/src/main/java/org/apache/helix/monitoring/metrics/WagedRebalancerMetricCollector.java
 ##########
 @@ -66,15 +73,20 @@ private void createMetrics() {
         WagedRebalancerMetricNames.GlobalBaselineCalcLatencyGauge.name(), 
getResetIntervalInMs());
     LatencyMetric partialRebalanceLatencyGauge = new RebalanceLatencyGauge(
         WagedRebalancerMetricNames.PartialRebalanceLatencyGauge.name(), 
getResetIntervalInMs());
-    LatencyMetric stateReadLatencyGauge = new RebalanceLatencyGauge(
-        WagedRebalancerMetricNames.StateReadLatencyGauge.name(), 
getResetIntervalInMs());
-    LatencyMetric stateWriteLatencyGauge = new RebalanceLatencyGauge(
-        WagedRebalancerMetricNames.StateWriteLatencyGauge.name(), 
getResetIntervalInMs());
+    LatencyMetric stateReadLatencyGauge =
+        new 
RebalanceLatencyGauge(WagedRebalancerMetricNames.StateReadLatencyGauge.name(),
+            getResetIntervalInMs());
+    LatencyMetric stateWriteLatencyGauge =
+        new 
RebalanceLatencyGauge(WagedRebalancerMetricNames.StateWriteLatencyGauge.name(),
+            getResetIntervalInMs());
 
 Review comment:
   Auto formatted according to the style template. It's always good to keep the 
code style the same, and I have touched this file anyway.

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