fuweng11 commented on code in PR #12074:
URL: https://github.com/apache/inlong/pull/12074#discussion_r2844113665
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inlong-manager/manager-service/src/main/java/org/apache/inlong/manager/service/resource/queue/pulsar/PulsarQueueResourceOperator.java:
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@@ -307,34 +372,150 @@ private void deletePulsarTopic(InlongPulsarInfo
pulsarInfo, PulsarClusterInfo pu
* Query latest message from pulsar
*/
public List<BriefMQMessage> queryLatestMessages(InlongGroupInfo groupInfo,
InlongStreamInfo streamInfo,
- QueryMessageRequest request) throws Exception {
- List<ClusterInfo> pulsarClusterList =
clusterService.listByTagAndType(groupInfo.getInlongClusterTag(),
- ClusterType.PULSAR);
- List<BriefMQMessage> briefMQMessages =
Collections.synchronizedList(new ArrayList<>());
- QueryCountDownLatch queryLatch = new
QueryCountDownLatch(request.getMessageCount(), pulsarClusterList.size());
+ QueryMessageRequest request) {
+ String groupId = streamInfo.getInlongGroupId();
+ String clusterTag = groupInfo.getInlongClusterTag();
+ List<ClusterInfo> clusterInfos =
clusterService.listByTagAndType(clusterTag, ClusterType.PULSAR);
+ if (CollectionUtils.isEmpty(clusterInfos)) {
+ log.warn("No pulsar cluster found for clusterTag={} for
groupId={}", clusterTag, groupId);
+ return Collections.emptyList();
+ }
+
+ // Select clusters and calculate per-cluster query count
+ Integer requestCount = request.getMessageCount();
+ List<ClusterInfo> selectedClusters =
randomSelectQueryClusters(clusterInfos, requestCount);
Review Comment:
Data may be concentrated on a specific pulsar, making it impossible for
other pulsar clusters to retrieve the data. Therefore, it is not feasible to
randomly select a cluster for querying. Instead, all pulsar clusters need to be
queried.
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