Siddhant Sangwan created HDDS-5760:
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Summary: ContainerBalancer incorrectly exits an iteration early
without checking move results.
Key: HDDS-5760
URL: https://issues.apache.org/jira/browse/HDDS-5760
Project: Apache Ozone
Issue Type: Sub-task
Components: SCM
Reporter: Siddhant Sangwan
Assignee: Siddhant Sangwan
In ContainerBalancer#doIteration:
{code}
IterationResult result = checkConditionsForBalancing();
if (result != null) {
LOG.info("Exiting current iteration: {}", result);
return result;
}
{code}
Leads to the iteration ending early without checking move results and updating
metrics. This bug can be reproduced by setting the
{{maxSizeToMovePerIteration}} to a small value such as 5GB that allows one
container move before ending the iteration.
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