pulsar-0001: ModularLoadManagerImpl.reapDeadBrokerPreallocations() receives aliveBrokers as List<String> from listLocks(); .contains() inside O(B) loop → O(B^2); fix: HashSet wrap before loop. pulsar-0002: PersistentTopic.removeOrphanReplicationCursors() and checkReplicationStatus() call configuredClusters.contains() (List<String>) inside loops over cursors and replicators → O(C×R); fix: HashSet wrap. pulsar-0003: NamespacesBase.internalGetTopicHashPositionsAsync() calls allTopicsInThisBundle.contains() (List<String>) inside for loop over query topics → O(T×B); fix: HashSet wrap before loop. UNDF-2026-000000505 through UNDF-2026-000000507; 3/3 unit tests PASS.
16 lines
986 B
Diff
16 lines
986 B
Diff
# UNDF: UNDF-2026-000000505
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# UNDF:
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--- a/pulsar-broker/src/main/java/org/apache/pulsar/broker/loadbalance/impl/ModularLoadManagerImpl.java
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+++ b/pulsar-broker/src/main/java/org/apache/pulsar/broker/loadbalance/impl/ModularLoadManagerImpl.java
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@@ -320,7 +320,8 @@ public class ModularLoadManagerImpl implements ModularLoadManager {
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// For each broker that we have a recent load report, see if they are still alive
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- private void reapDeadBrokerPreallocations(List<String> aliveBrokers) {
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+ private void reapDeadBrokerPreallocations(List<String> aliveBrokers) {
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+ Set<String> aliveBrokerSet = new HashSet<>(aliveBrokers);
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for (String broker : loadData.getBrokerData().keySet()) {
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- if (!aliveBrokers.contains(broker)) {
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+ if (!aliveBrokerSet.contains(broker)) {
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if (log.isDebugEnabled()) {
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log.debug("Broker {} appears to have stopped; now reclaiming any preallocations", broker);
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}
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