siddhantsangwan commented on code in PR #7134:
URL: https://github.com/apache/ozone/pull/7134#discussion_r1741665691
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hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/container/balancer/ContainerBalancerTask.java:
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@@ -341,6 +341,16 @@ public List<ContainerBalancerTaskIterationStatusInfo>
getCurrentIterationsStatis
.max()
.orElse(0);
+ // the balancing thread could go to sleep without having initialized
findTargetStrategy, so we check for null here
+ Map<DatanodeDetails, Long> sizeEnteringNodes = Collections.emptyMap();
+ if (findTargetStrategy != null) {
Review Comment:
Not sure what you mean here. Are you suggesting initialising
`findTargetStrategy` in the constructor of `ContainerBalancerTask` (like
`findSourceStrategy`)? That should work as well.
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