AndrewJSchofield commented on code in PR #18672:
URL: https://github.com/apache/kafka/pull/18672#discussion_r1934149229
##########
clients/src/main/java/org/apache/kafka/clients/consumer/internals/ShareConsumeRequestManager.java:
##########
@@ -172,73 +172,58 @@ public PollResult poll(long currentTimeMs) {
k -> sessionHandlers.computeIfAbsent(node.id(), n ->
new ShareSessionHandler(logContext, n, memberId)));
TopicIdPartition tip = new TopicIdPartition(topicId,
partition);
- Acknowledgements acknowledgementsToSend =
fetchAcknowledgementsToSend.remove(tip);
- if (acknowledgementsToSend != null) {
-
metricsManager.recordAcknowledgementSent(acknowledgementsToSend.size());
- fetchAcknowledgementsInFlight.put(tip,
acknowledgementsToSend);
+ Acknowledgements acknowledgementsToSend = null;
+ Map<TopicIdPartition, Acknowledgements>
nodeAcknowledgementsMap = fetchAcknowledgementsToSend.get(node.id());
+ if (nodeAcknowledgementsMap != null) {
+ acknowledgementsToSend =
nodeAcknowledgementsMap.remove(tip);
+ if (acknowledgementsToSend != null) {
+
metricsManager.recordAcknowledgementSent(acknowledgementsToSend.size());
+
fetchAcknowledgementsInFlight.computeIfAbsent(node.id(), k -> new
HashMap<>()).put(tip, acknowledgementsToSend);
+ }
}
+
handler.addPartitionToFetch(tip, acknowledgementsToSend);
- fetchedPartitions.add(tip);
topicNamesMap.putIfAbsent(new IdAndPartition(tip.topicId(),
tip.partition()), tip.topic());
log.debug("Added fetch request for partition {} to node {}",
tip, node.id());
}
}
- // Map storing the list of partitions to forget in the upcoming
request.
- Map<Node, List<TopicIdPartition>> partitionsToForgetMap = new
HashMap<>();
+
+ // Iterate over the session handlers to see if there are
acknowledgements to be sent for partitions
+ // which are no longer part of the current subscription, or whose
records were fetched from a
+ // previous leader.
Cluster cluster = metadata.fetch();
- // Iterating over the session handlers to see if there are
acknowledgements to be sent for partitions
- // which are no longer part of the current subscription.
sessionHandlers.forEach((nodeId, sessionHandler) -> {
Node node = cluster.nodeById(nodeId);
if (node != null) {
if (nodesWithPendingRequests.contains(node.id())) {
- log.trace("Skipping fetch because previous fetch request
to {} has not been processed", node.id());
+ log.trace("Skipping fetch because previous fetch request
to {} has not been processed", nodeId);
} else {
- for (TopicIdPartition tip :
sessionHandler.sessionPartitions()) {
- if (!fetchedPartitions.contains(tip)) {
- Acknowledgements acknowledgementsToSend =
fetchAcknowledgementsToSend.remove(tip);
-
- if (acknowledgementsToSend != null) {
-
metricsManager.recordAcknowledgementSent(acknowledgementsToSend.size());
- fetchAcknowledgementsInFlight.put(tip,
acknowledgementsToSend);
-
- sessionHandler.addPartitionToFetch(tip,
acknowledgementsToSend);
- handlerMap.put(node, sessionHandler);
-
- partitionsToForgetMap.putIfAbsent(node, new
ArrayList<>());
- partitionsToForgetMap.get(node).add(tip);
-
- topicNamesMap.putIfAbsent(new
IdAndPartition(tip.topicId(), tip.partition()), tip.topic());
- fetchedPartitions.add(tip);
- log.debug("Added fetch request for previously
subscribed partition {} to node {}", tip, node.id());
- }
- }
+ Map<TopicIdPartition, Acknowledgements>
nodeAcksFromFetchMap = fetchAcknowledgementsToSend.get(nodeId);
+ if (nodeAcksFromFetchMap != null) {
+ nodeAcksFromFetchMap.forEach((tip, acks) -> {
+
metricsManager.recordAcknowledgementSent(acks.size());
Review Comment:
Yes, good point.
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