PrachiKhobragade commented on code in PR #8550:
URL: https://github.com/apache/pinot/pull/8550#discussion_r854420378
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pinot-broker/src/main/java/org/apache/pinot/broker/routing/instanceselector/ReplicaGroupInstanceSelector.java:
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@@ -49,15 +50,26 @@ public ReplicaGroupInstanceSelector(String
tableNameWithType, BrokerMetrics brok
@Override
Map<String, String> select(List<String> segments, int requestId,
- Map<String, List<String>> segmentToEnabledInstancesMap) {
+ Map<String, List<String>> segmentToEnabledInstancesMap, Map<String,
String> queryOptions) {
Map<String, String> segmentToSelectedInstanceMap = new
HashMap<>(HashUtil.getHashMapCapacity(segments.size()));
+ // validate queryOptions to get query
+ String replicaGroup =
queryOptions.get(CommonConstants.Broker.Request.QueryOptionKey.NUM_REPLICA_GROUPS);
+ int replicaGroupNum = 1;
+ int currentRequest = 0;
+ if (replicaGroup != null) {
+ replicaGroupNum = Integer.parseInt(replicaGroup);
+ }
for (String segment : segments) {
List<String> enabledInstances =
segmentToEnabledInstancesMap.get(segment);
// NOTE: enabledInstances can be null when there is no enabled instances
for the segment, or the instance selector
// has not been updated (we update all components for routing in
sequence)
if (enabledInstances != null) {
int numEnabledInstances = enabledInstances.size();
- segmentToSelectedInstanceMap.put(segment,
enabledInstances.get(requestId % numEnabledInstances));
+ int instanceToSelect = (requestId + currentRequest++) %
numEnabledInstances;
Review Comment:
added
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