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Do not sort the instances in InstancePartitions #9866

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Nov 29, 2022
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Do not sort the instances in InstancePartitions #9866

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2 changes: 0 additions & 2 deletions ...inot/controller/helix/core/assignment/instance/InstanceReplicaGroupPartitionSelector.java
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Original file line number Diff line number Diff line change
Expand Up @@ -230,7 +230,6 @@ public void selectInstances(Map<Integer, List<InstanceConfig>> poolToInstanceCon
instancesInPartition.add(replicaGroupIdToInstancesMap[replicaGroupId][instanceIdInReplicaGroup]);
instanceIdInReplicaGroup = (instanceIdInReplicaGroup + 1) % numInstancesPerReplicaGroup;
}
instancesInPartition.sort(null);
LOGGER.info("Selecting instances: {} for replica-group: {}, partition: {} for table: {}",
instancesInPartition, replicaGroupId, partitionId, _tableNameWithType);
instancePartitions.setInstances(partitionId, replicaGroupId, instancesInPartition);
Expand Down Expand Up @@ -271,7 +270,6 @@ public void selectInstances(Map<Integer, List<InstanceConfig>> poolToInstanceCon
instancesToSelect.add(instanceConfigs.get(i).getInstanceName());
}
}
instancesToSelect.sort(null);
LOGGER.info("Selecting instances: {} for table: {}", instancesToSelect, _tableNameWithType);
// Set the instances as partition 0 replica 0
instancePartitions.setInstances(0, 0, instancesToSelect);
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