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Original file line number Diff line number Diff line change
Expand Up @@ -18,16 +18,21 @@
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.UUID;
import java.util.concurrent.ExecutionException;
import java.util.function.Function;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import org.apache.avro.file.DataFileReader;
import org.apache.avro.specific.SpecificDatumReader;
import org.apache.kafka.clients.admin.AdminClient;
import org.apache.kafka.clients.admin.ConsumerGroupListing;
import org.apache.kafka.clients.admin.ListConsumerGroupOffsetsResult;
import org.apache.kafka.clients.admin.ListConsumerGroupsResult;
import org.apache.kafka.clients.admin.NewTopic;
import org.apache.kafka.clients.consumer.OffsetAndMetadata;
import org.apache.kafka.clients.producer.KafkaProducer;
Expand Down Expand Up @@ -262,21 +267,30 @@ private static boolean generateData() throws Exception {
"service-call-view-events", 27L,
"span-event-view", 50L,
"log-event-view", 0L);
int retry = 0;
while (!areMessagesConsumed(endOffSetMap) && retry++ < 5) {
Thread.sleep(2000);
int retry = 0, maxRetries = 50;
while (!areMessagesConsumed(endOffSetMap) && retry++ < maxRetries) {
Thread.sleep(6000); // max 5 min wait time
}
// stop this service
viewGen.stop();

return retry < 5;
return retry < maxRetries;
}

private static boolean areMessagesConsumed(Map<String, Long> endOffSetMap) throws Exception {
ListConsumerGroupOffsetsResult consumerGroupOffsetsResult =
adminClient.listConsumerGroupOffsets("");
Map<TopicPartition, OffsetAndMetadata> offsetAndMetadataMap =
consumerGroupOffsetsResult.partitionsToOffsetAndMetadata().get();
ListConsumerGroupsResult listConsumerGroups = adminClient.listConsumerGroups();
List<String> groupIds = listConsumerGroups.all().get().stream()
.filter(consumerGroupListing -> consumerGroupListing.isSimpleConsumerGroup())
.map(consumerGroupListing -> consumerGroupListing.groupId())
.collect(Collectors.toUnmodifiableList());

Map<TopicPartition, OffsetAndMetadata> offsetAndMetadataMap = new HashMap<>();
for(String groupId : groupIds) {
ListConsumerGroupOffsetsResult listConsumerGroupOffsetsResult = adminClient.listConsumerGroupOffsets(groupId);
Map<TopicPartition, OffsetAndMetadata> metadataMap = listConsumerGroupOffsetsResult.partitionsToOffsetAndMetadata().get();
metadataMap.forEach((k, v) -> offsetAndMetadataMap.putIfAbsent(k, v));
}

if (offsetAndMetadataMap.size() < 6) {
return false;
}
Expand Down