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Fix flaky test SegmentReplicationStatsIT.testMultipleIndices #12070

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Jan 31, 2024
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Fix flaky test SegmentReplicationStatsIT.testMultipleIndices #12070

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61 changes: 32 additions & 29 deletions ...nternalClusterTest/java/org/opensearch/indices/replication/SegmentReplicationStatsIT.java
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Original file line number Diff line number Diff line change
Expand Up @@ -268,12 +268,12 @@ public void testMultipleIndices() throws Exception {
internalCluster().startClusterManagerOnlyNode();
final String index_2 = "tst-index-2";
List<String> nodes = new ArrayList<>();
final String primaryNode = internalCluster().startNode();
final String primaryNode = internalCluster().startDataOnlyNode();
nodes.add(primaryNode);
createIndex(INDEX_NAME, index_2);

ensureYellowAndNoInitializingShards(INDEX_NAME, index_2);
nodes.add(internalCluster().startNode());
nodes.add(internalCluster().startDataOnlyNode());
ensureGreen(INDEX_NAME, index_2);

final long numDocs = scaledRandomIntBetween(50, 100);
Expand All @@ -284,44 +284,47 @@ public void testMultipleIndices() throws Exception {
refresh(INDEX_NAME, index_2);
waitForSearchableDocs(INDEX_NAME, numDocs, nodes);
waitForSearchableDocs(index_2, numDocs, nodes);
ensureSearchable(INDEX_NAME, index_2);

final IndexShard index_1_primary = getIndexShard(primaryNode, INDEX_NAME);
final IndexShard index_2_primary = getIndexShard(primaryNode, index_2);

assertTrue(index_1_primary.routingEntry().primary());
assertTrue(index_2_primary.routingEntry().primary());

// test both indices are returned in the response.
SegmentReplicationStatsResponse segmentReplicationStatsResponse = client().admin()
.indices()
.prepareSegmentReplicationStats()
.execute()
.actionGet();
assertBusy(() -> {
// test both indices are returned in the response.
SegmentReplicationStatsResponse segmentReplicationStatsResponse = dataNodeClient().admin()
.indices()
.prepareSegmentReplicationStats()
.execute()
.actionGet();

Map<String, List<SegmentReplicationPerGroupStats>> replicationStats = segmentReplicationStatsResponse.getReplicationStats();
assertEquals(2, replicationStats.size());
List<SegmentReplicationPerGroupStats> replicationPerGroupStats = replicationStats.get(INDEX_NAME);
assertEquals(1, replicationPerGroupStats.size());
SegmentReplicationPerGroupStats perGroupStats = replicationPerGroupStats.get(0);
assertEquals(perGroupStats.getShardId(), index_1_primary.shardId());
Set<SegmentReplicationShardStats> replicaStats = perGroupStats.getReplicaStats();
assertEquals(1, replicaStats.size());
for (SegmentReplicationShardStats replica : replicaStats) {
assertNotNull(replica.getCurrentReplicationState());
}
Map<String, List<SegmentReplicationPerGroupStats>> replicationStats = segmentReplicationStatsResponse.getReplicationStats();
assertEquals(2, replicationStats.size());
List<SegmentReplicationPerGroupStats> replicationPerGroupStats = replicationStats.get(INDEX_NAME);
assertEquals(1, replicationPerGroupStats.size());
SegmentReplicationPerGroupStats perGroupStats = replicationPerGroupStats.get(0);
assertEquals(perGroupStats.getShardId(), index_1_primary.shardId());
Set<SegmentReplicationShardStats> replicaStats = perGroupStats.getReplicaStats();
assertEquals(1, replicaStats.size());
for (SegmentReplicationShardStats replica : replicaStats) {
assertNotNull(replica.getCurrentReplicationState());
}

replicationPerGroupStats = replicationStats.get(index_2);
assertEquals(1, replicationPerGroupStats.size());
perGroupStats = replicationPerGroupStats.get(0);
assertEquals(perGroupStats.getShardId(), index_2_primary.shardId());
replicaStats = perGroupStats.getReplicaStats();
assertEquals(1, replicaStats.size());
for (SegmentReplicationShardStats replica : replicaStats) {
assertNotNull(replica.getCurrentReplicationState());
}
replicationPerGroupStats = replicationStats.get(index_2);
assertEquals(1, replicationPerGroupStats.size());
perGroupStats = replicationPerGroupStats.get(0);
assertEquals(perGroupStats.getShardId(), index_2_primary.shardId());
replicaStats = perGroupStats.getReplicaStats();
assertEquals(1, replicaStats.size());
for (SegmentReplicationShardStats replica : replicaStats) {
assertNotNull(replica.getCurrentReplicationState());
}
}, 30, TimeUnit.SECONDS);

// test only single index queried.
segmentReplicationStatsResponse = client().admin()
SegmentReplicationStatsResponse segmentReplicationStatsResponse = dataNodeClient().admin()
.indices()
.prepareSegmentReplicationStats()
.setIndices(index_2)
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