61yao commented on code in PR #10302:
URL: https://github.com/apache/pinot/pull/10302#discussion_r1110463137
##########
pinot-broker/src/main/java/org/apache/pinot/broker/routing/instanceselector/BaseInstanceSelector.java:
##########
@@ -231,7 +231,7 @@ void updateSegmentMaps(IdealState idealState, ExternalView
externalView, Set<Str
*/
@Nullable
private List<String> calculateEnabledInstancesForSegment(String segment,
List<String> onlineInstancesForSegment,
- Set<String> unavailableSegments) {
+ Set<String> unavailableSegments, String debugString) {
Review Comment:
If I do log info, we will have too much logs since we log one entry even
when there is no error?
##########
pinot-broker/src/main/java/org/apache/pinot/broker/routing/instanceselector/StrictReplicaGroupInstanceSelector.java:
##########
@@ -160,25 +160,18 @@ void updateSegmentMaps(IdealState idealState,
ExternalView externalView, Set<Str
// NOTE: Instances will be sorted here because 'tempOnlineInstances' is
a TreeSet. We need the online instances to
// be sorted for replica-group routing to work. For multiple
segments with the same online instances, if the
// list is sorted, the same index in the list will always point to
the same instance.
- List<String> onlineInstances = new
ArrayList<>(tempOnlineInstances.size());
- segmentToOnlineInstancesMap.put(segment, onlineInstances);
-
Set<String> instancesInIdealState =
idealStateSegmentToInstancesMap.get(segment);
Set<String> unavailableInstances =
unavailableInstancesMap.get(instancesInIdealState);
- if (unavailableInstances == null) {
- // No unavailable instance, add all instances as online instance
- for (String instance : tempOnlineInstances) {
- onlineInstances.add(instance);
- instanceToSegmentsMap.computeIfAbsent(instance, k -> new
ArrayList<>()).add(segment);
- }
- } else {
- // Some instances are unavailable, add the remaining instances as
online instance
- for (String instance : tempOnlineInstances) {
- if (!unavailableInstances.contains(instance)) {
- onlineInstances.add(instance);
- instanceToSegmentsMap.computeIfAbsent(instance, k -> new
ArrayList<>()).add(segment);
- }
+ List<String> onlineInstances = new
ArrayList<>(tempOnlineInstances.size());
+ for (String instance : tempOnlineInstances) {
+ if (unavailableInstances != null &&
unavailableInstances.contains(instance)) {
+ continue;
}
+ onlineInstances.add(instance);
+ instanceToSegmentsMap.computeIfAbsent(instance, k -> new
ArrayList<>()).add(segment);
+ }
+ if (!onlineInstances.isEmpty()) {
Review Comment:
Done
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