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https://issues.apache.org/jira/browse/HELIX-631?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16340142#comment-16340142
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Hudson commented on HELIX-631:
------------------------------
FAILURE: Integrated in Jenkins build helix #1393 (See
[https://builds.apache.org/job/helix/1393/])
Temporary disable logging rebalance error before HELIX-631 is resolved. (jxue:
rev 401ada6391883f5cfcd7e04858dc94ee2b227ff7)
* (edit)
helix-core/src/main/java/org/apache/helix/controller/stages/BestPossibleStateCalcStage.java
* (edit)
helix-core/src/test/java/org/apache/helix/integration/rebalancer/TestPauseClusterWhenReachingOfflineInstancesLimit.java
* (edit)
helix-core/src/test/java/org/apache/helix/integration/TestAlertingRebalancerFailure.java
> AutoRebalanceStrategy does not work correctly all the time
> ----------------------------------------------------------
>
> Key: HELIX-631
> URL: https://issues.apache.org/jira/browse/HELIX-631
> Project: Apache Helix
> Issue Type: Bug
> Reporter: Subbu
> Assignee: Junkai Xue
> Priority: Major
> Fix For: 0.6.8
>
>
> I have 16 partitions, 3 replicas each, and 4 instances to distribute these
> on. The auto-rebalancer assigns only 2 replicas for one of the partitions.
> Here is the code snippet to reproduce the problem
> {code}
> final String resourceName = "something";
> final List<String> instanceNames = null; // Initialize to 4 unique strings
> final int nReplicas = 3;
> List<String> partitions = new ArrayList<>(nPartitions);
> for (int i = 0; i < nPartitions; i++) {
> partitions.add(Integer.toString(i));
> }
> LinkedHashMap<String, Integer> states = new LinkedHashMap<>(2);
> states.put("OFFLINE", 0);
> states.put("ONLINE", nReplicas);
> AutoRebalanceStrategy strategy = new AutoRebalanceStrategy(resourceName,
> partitions, states);
> ZNRecord znRecord = strategy.computePartitionAssignment(instanceNames,
> new HashMap<String, Map<String, String>>(0), instanceNames);
> {code}
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