jackjlli commented on code in PR #8483:
URL: https://github.com/apache/pinot/pull/8483#discussion_r847569049
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pinot-common/src/main/java/org/apache/pinot/common/assignment/InstancePartitions.java:
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@@ -58,24 +60,39 @@
@JsonIgnoreProperties(ignoreUnknown = true)
public class InstancePartitions {
private static final char PARTITION_REPLICA_GROUP_SEPARATOR = '_';
+ private static final String POOLS_KEY = "pools";
+ private static final String REPLICA_GROUP_SEPARATOR = "/";
private final String _instancePartitionsName;
+ // A map to store the partition and its associated list of instances.
+ // The partition key would be like "0_0", where the 1st number denotes the
partition id,
+ // and the 2nd one denotes the replica group id.
private final Map<String, List<String>> _partitionToInstancesMap;
+ // A map to store the selected pool numbers and their associated list of
replica groups.
+ private final Map<Integer, List<Integer>> _poolToReplicaGroupsMap;
Review Comment:
The purpose of having this map here is due to the concern that some instance
from one pool may get assigned to another pool, even though the chances could
be small.
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