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[improve][test] Do Not Merge: Debug logs added to PulsarWorkerRebalanceDrainTest to investigate flakiness #22

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[improve][test] Do Not Merge: Debug logs added to PulsarWorkerRebalanceDrainTest to investigate flakiness #22

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a49ace5
Added debug logger and getTopicStats for debugging functions integrat…
ShivrajJ May 21, 2025
c8f0d85
Removed unnecessary log4j2 file
ShivrajJ May 21, 2025
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12 changes: 12 additions & 0 deletions ...va/org/apache/pulsar/tests/integration/functions/java/PulsarWorkerRebalanceDrainTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -135,6 +135,16 @@ private List<Map<String, Collection<String>>> functionAssignmentsDecode(String j
return retVal;
}

private String getTopicStats(String name) throws Exception {
ContainerExecResult result = pulsarCluster.getProxy().execCmd(
PulsarCluster.ADMIN_SCRIPT,
"topics",
"stats",
name
);
return result.getStdout();
}

private List<WorkerInfo> getClusterStatus() throws Exception {
val result = pulsarCluster.getAnyWorker().execCmd(
PulsarCluster.ADMIN_SCRIPT,
Expand Down Expand Up @@ -311,6 +321,7 @@ private void testRebalance() throws Exception {

WorkerInfo oldClusterLeaderInfo = getClusterLeader();
log.info("Cluster leader before adding more workers is: {}", oldClusterLeaderInfo);
log.debug("Stats for the Coordinate Topic: \n{}", getTopicStats("persistent://public/functions/coordinate"));

List<Map<String, Collection<String>>> startFinfos = getFunctionAssignments();
int startFuncCount = getFuncAssignmentsCount(startFinfos);
Expand All @@ -334,6 +345,7 @@ private void testRebalance() throws Exception {

WorkerInfo newClusterLeaderInfo = getClusterLeader();
log.info("Cluster leader after adding {} workers is: {}", numWorkersToAdd, newClusterLeaderInfo);
log.debug("Stats for the Coordinate Topic: \n{}", getTopicStats("persistent://public/functions/coordinate"));
// Leadership should not have changed.
assertTrue(oldClusterLeaderInfo.getWorkerId().compareTo(newClusterLeaderInfo.getWorkerId()) == 0);

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