Java Code Examples for kafka.javaapi.OffsetResponse#offsets()
The following examples show how to use
kafka.javaapi.OffsetResponse#offsets() .
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Example 1
| Source File: KafkaLowLevelConsumer08.java From datacollector with Apache License 2.0 | 6 votes |
|
private long getLastOffset(SimpleConsumer consumer, String topic, int partition,
long whichTime, String clientName) throws StageException {
try {
TopicAndPartition topicAndPartition = new TopicAndPartition(topic, partition);
Map<TopicAndPartition, PartitionOffsetRequestInfo> requestInfo = new HashMap<>();
requestInfo.put(topicAndPartition, new PartitionOffsetRequestInfo(whichTime, 1));
kafka.javaapi.OffsetRequest request = new kafka.javaapi.OffsetRequest(
requestInfo, kafka.api.OffsetRequest.CurrentVersion(), clientName);
OffsetResponse response = consumer.getOffsetsBefore(request);
if (response.hasError()) {
LOG.error(KafkaErrors.KAFKA_22.getMessage(), consumer.host() + ":" + consumer.port(),
response.errorCode(topic, partition));
return 0;
}
long[] offsets = response.offsets(topic, partition);
return offsets[0];
} catch (Exception e) {
LOG.error(KafkaErrors.KAFKA_30.getMessage(), e.toString(), e);
throw new StageException(KafkaErrors.KAFKA_30, e.toString(), e);
}
}
Example 2
| Source File: LegacyKafkaClient.java From secor with Apache License 2.0 | 6 votes |
|
private long findLastOffset(TopicPartition topicPartition, SimpleConsumer consumer) {
TopicAndPartition topicAndPartition = new TopicAndPartition(topicPartition.getTopic(),
topicPartition.getPartition());
Map<TopicAndPartition, PartitionOffsetRequestInfo> requestInfo =
new HashMap<TopicAndPartition, PartitionOffsetRequestInfo>();
requestInfo.put(topicAndPartition, new PartitionOffsetRequestInfo(
kafka.api.OffsetRequest.LatestTime(), 1));
final String clientName = getClientName(topicPartition);
OffsetRequest request = new OffsetRequest(requestInfo,
kafka.api.OffsetRequest.CurrentVersion(),
clientName);
OffsetResponse response = consumer.getOffsetsBefore(request);
if (response.hasError()) {
throw new RuntimeException("Error fetching offset data. Reason: " +
response.errorCode(topicPartition.getTopic(), topicPartition.getPartition()));
}
long[] offsets = response.offsets(topicPartition.getTopic(),
topicPartition.getPartition());
return offsets[0] - 1;
}
Example 3
| Source File: KafkaRequest.java From HiveKa with Apache License 2.0 | 6 votes |
|
@Override
public long getLastOffset(long time) {
SimpleConsumer consumer = new SimpleConsumer(uri.getHost(), uri.getPort(), 60000,
1024 * 1024, "hadoop-etl");
Map<TopicAndPartition, PartitionOffsetRequestInfo> offsetInfo = new HashMap<TopicAndPartition, PartitionOffsetRequestInfo>();
offsetInfo.put(new TopicAndPartition(topic, partition), new PartitionOffsetRequestInfo(
time, 1));
OffsetResponse response = consumer.getOffsetsBefore(new OffsetRequest(offsetInfo,
kafka.api.OffsetRequest.CurrentVersion(),"hadoop-etl"));
long[] endOffset = response.offsets(topic, partition);
consumer.close();
if(endOffset.length == 0)
{
log.info("The exception is thrown because the latest offset retunred zero for topic : " + topic + " and partition " + partition);
}
this.latestOffset = endOffset[0];
return endOffset[0];
}
Example 4
| Source File: KafkaRequest.java From HiveKa with Apache License 2.0 | 6 votes |
|
@Override
public long getEarliestOffset() {
if (this.earliestOffset == -2 && uri != null) {
// TODO : Make the hardcoded paramters configurable
SimpleConsumer consumer = new SimpleConsumer(uri.getHost(), uri.getPort(), 60000,
1024 * 1024, "hadoop-etl");
Map<TopicAndPartition, PartitionOffsetRequestInfo> offsetInfo = new HashMap<TopicAndPartition, PartitionOffsetRequestInfo>();
offsetInfo.put(new TopicAndPartition(topic, partition), new PartitionOffsetRequestInfo(
kafka.api.OffsetRequest.EarliestTime(), 1));
OffsetResponse response = consumer
.getOffsetsBefore(new OffsetRequest(offsetInfo, kafka.api.OffsetRequest
.CurrentVersion(), "hadoop-etl"));
long[] endOffset = response.offsets(topic, partition);
consumer.close();
this.earliestOffset = endOffset[0];
return endOffset[0];
} else {
return this.earliestOffset;
}
}
Example 5
| Source File: KafkaLowLevelConsumer09.java From datacollector with Apache License 2.0 | 6 votes |
|
private long getLastOffset(SimpleConsumer consumer, String topic, int partition,
long whichTime, String clientName) throws StageException {
try {
TopicAndPartition topicAndPartition = new TopicAndPartition(topic, partition);
Map<TopicAndPartition, PartitionOffsetRequestInfo> requestInfo = new HashMap<>();
requestInfo.put(topicAndPartition, new PartitionOffsetRequestInfo(whichTime, 1));
kafka.javaapi.OffsetRequest request = new kafka.javaapi.OffsetRequest(
requestInfo, kafka.api.OffsetRequest.CurrentVersion(), clientName);
OffsetResponse response = consumer.getOffsetsBefore(request);
if (response.hasError()) {
LOG.error(KafkaErrors.KAFKA_22.getMessage(), consumer.host() + ":" + consumer.port(),
response.errorCode(topic, partition));
return 0;
}
long[] offsets = response.offsets(topic, partition);
return offsets[0];
} catch (Exception e) {
LOG.error(KafkaErrors.KAFKA_30.getMessage(), e.toString(), e);
throw new StageException(KafkaErrors.KAFKA_30, e.toString(), e);
}
}
Example 6
| Source File: KafkaMetadataUtil.java From attic-apex-malhar with Apache License 2.0 | 6 votes |
|
/**
* @param consumer
* @param topic
* @param partition
* @param whichTime
* @param clientName
* @return 0 if consumer is null at this time
*/
public static long getLastOffset(SimpleConsumer consumer, String topic, int partition, long whichTime, String clientName)
{
if (consumer == null) {
return 0;
}
TopicAndPartition topicAndPartition = new TopicAndPartition(topic, partition);
Map<TopicAndPartition, PartitionOffsetRequestInfo> requestInfo = new HashMap<TopicAndPartition, PartitionOffsetRequestInfo>();
requestInfo.put(topicAndPartition, new PartitionOffsetRequestInfo(whichTime, 1));
OffsetRequest request = new OffsetRequest(requestInfo, kafka.api.OffsetRequest.CurrentVersion(), clientName);
OffsetResponse response = consumer.getOffsetsBefore(request);
if (response.hasError()) {
logger.error("Error fetching data Offset Data the Broker. Reason: " + response.errorCode(topic, partition));
return 0;
}
long[] offsets = response.offsets(topic, partition);
return offsets[0];
}
Example 7
| Source File: ScribeConsumer.java From Scribengin with GNU Affero General Public License v3.0 | 6 votes |
|
private long getEarliestOffsetFromKafka(String topic, int partition, long startTime) {
LOG.info("getEarliestOffsetFromKafka.");
TopicAndPartition tp = new TopicAndPartition(topic, partition);
Map<TopicAndPartition, PartitionOffsetRequestInfo> requestInfo =
new HashMap<TopicAndPartition, PartitionOffsetRequestInfo>();
requestInfo.put(tp, new PartitionOffsetRequestInfo(startTime, 1));
OffsetRequest req = new OffsetRequest(
requestInfo, kafka.api.OffsetRequest.CurrentVersion(), getClientName());
OffsetResponse resp = consumer.getOffsetsBefore(req);
if (resp.hasError()) {
LOG.error("error when fetching offset: " + resp.errorCode(topic, partition)); //xxx
return 0;
}
LOG.info("Earliest offset " + resp.offsets(topic, partition)[0]);
return resp.offsets(topic, partition)[0];
}
Example 8
| Source File: OffsetMonitor.java From uReplicator with Apache License 2.0 | 6 votes |
|
private long getLatestOffset(SimpleConsumer consumer, TopicAndPartition topicAndPartition) {
Map<TopicAndPartition, PartitionOffsetRequestInfo> requestInfo = new HashMap<>();
requestInfo.put(topicAndPartition,
new PartitionOffsetRequestInfo(kafka.api.OffsetRequest.LatestTime(), 1));
kafka.javaapi.OffsetRequest request = new kafka.javaapi.OffsetRequest(requestInfo,
kafka.api.OffsetRequest.CurrentVersion(), consumer.clientId());
OffsetResponse response = consumer.getOffsetsBefore(request);
if (response.hasError()) {
logger.warn("Failed to fetch offset for {} due to {}", topicAndPartition,
response.errorCode(topicAndPartition.topic(), topicAndPartition.partition()));
return -1;
}
long[] offsets = response.offsets(topicAndPartition.topic(), topicAndPartition.partition());
return offsets[0];
}
Example 9
| Source File: ZkConsumerCommand.java From azeroth with Apache License 2.0 | 6 votes |
|
private static long getLastOffset(SimpleConsumer consumer, String topic, int partition,
long whichTime) {
TopicAndPartition topicAndPartition = new TopicAndPartition(topic, partition);
Map<TopicAndPartition, PartitionOffsetRequestInfo> requestInfo = new HashMap<TopicAndPartition, PartitionOffsetRequestInfo>();
requestInfo.put(topicAndPartition, new PartitionOffsetRequestInfo(whichTime, 1));
kafka.javaapi.OffsetRequest request = new kafka.javaapi.OffsetRequest(requestInfo,
kafka.api.OffsetRequest.CurrentVersion(), CLIENT_ID);
OffsetResponse response = consumer.getOffsetsBefore(request);
if (response.hasError()) {
System.out.println("Error fetching data Offset Data the Broker. Reason: "
+ response.errorCode(topic, partition));
return 0;
}
long[] offsets = response.offsets(topic, partition);
return offsets[0];
}
Example 10
| Source File: SimpleConsumerExample.java From hermes with Apache License 2.0 | 6 votes |
|
public static long getLastOffset(SimpleConsumer consumer, String topic, int partition, long whichTime,
String clientName) {
TopicAndPartition topicAndPartition = new TopicAndPartition(topic, partition);
Map<TopicAndPartition, PartitionOffsetRequestInfo> requestInfo = new HashMap<TopicAndPartition, PartitionOffsetRequestInfo>();
requestInfo.put(topicAndPartition, new PartitionOffsetRequestInfo(whichTime, 1));
kafka.javaapi.OffsetRequest request = new kafka.javaapi.OffsetRequest(requestInfo,
kafka.api.OffsetRequest.CurrentVersion(), clientName);
OffsetResponse response = consumer.getOffsetsBefore(request);
if (response.hasError()) {
System.out.println("Error fetching data Offset Data the Broker. Reason: "
+ response.errorCode(topic, partition));
return 0;
}
long[] offsets = response.offsets(topic, partition);
return offsets[0];
}
Example 11
| Source File: ScribeConsumer.java From Scribengin with GNU Affero General Public License v3.0 | 5 votes |
|
private long getLatestOffsetFromKafka(String topic, int partition, long startTime) {
TopicAndPartition tp = new TopicAndPartition(topic, partition);
Map<TopicAndPartition, PartitionOffsetRequestInfo> requestInfo =
new HashMap<TopicAndPartition, PartitionOffsetRequestInfo>();
requestInfo.put(tp, new PartitionOffsetRequestInfo(startTime, 1));
OffsetRequest req = new OffsetRequest(
requestInfo, kafka.api.OffsetRequest.CurrentVersion(), getClientName());
OffsetResponse resp = consumer.getOffsetsBefore(req);
if (resp.hasError()) {
LOG.error("error when fetching offset: " + resp.errorCode(topic, partition)); //xxx
// In case you wonder what the error code really means.
// System.out.println("OffsetOutOfRangeCode()" + ErrorMapping.OffsetOutOfRangeCode());
// System.out.println("BrokerNotAvailableCode()" + ErrorMapping.BrokerNotAvailableCode());
// System.out.println("InvalidFetchSizeCode()" + ErrorMapping.InvalidFetchSizeCode());
// System.out.println("InvalidMessageCode()" + ErrorMapping.InvalidMessageCode());
// System.out.println("LeaderNotAvailableCode()" + ErrorMapping.LeaderNotAvailableCode());
// System.out.println("MessageSizeTooLargeCode()" + ErrorMapping.MessageSizeTooLargeCode());
// System.out.println("NotLeaderForPartitionCode()" + ErrorMapping.NotLeaderForPartitionCode());
// System.out.println("OffsetMetadataTooLargeCode()" + ErrorMapping.OffsetMetadataTooLargeCode());
// System.out.println("ReplicaNotAvailableCode()" + ErrorMapping.ReplicaNotAvailableCode());
// System.out.println("RequestTimedOutCode()" + ErrorMapping.RequestTimedOutCode());
// System.out.println("StaleControllerEpochCode()" + ErrorMapping.StaleControllerEpochCode());
// System.out.println("UnknownCode()" + ErrorMapping.UnknownCode());
// System.out.println("UnknownTopicOrPartitionCode()" + ErrorMapping.UnknownTopicOrPartitionCode());
//LOG.error("error when fetching offset: " + resp.errorcode(topic, partition));
return 0;
}
return resp.offsets(topic, partition)[0];
}
Example 12
| Source File: MetricSystemTest.java From eagle with Apache License 2.0 | 5 votes |
|
private long getLastOffset(SimpleConsumer consumer, String topic, int partition, long whichTime, String clientName) {
TopicAndPartition topicAndPartition = new TopicAndPartition(topic, partition);
Map<TopicAndPartition, PartitionOffsetRequestInfo> requestInfo = new HashMap<>();
requestInfo.put(topicAndPartition, new PartitionOffsetRequestInfo(whichTime, 1));
OffsetRequest request = new OffsetRequest(requestInfo, kafka.api.OffsetRequest.CurrentVersion(), clientName);
OffsetResponse response = consumer.getOffsetsBefore(request);
if (response.hasError()) {
System.out.println("error fetching data offset data the broker. reason: " + response.errorCode(topic, partition));
return 0;
}
long[] offsets = response.offsets(topic, partition);
return offsets[0];
}
Example 13
| Source File: KafkaLatestOffsetFetcher.java From eagle with Apache License 2.0 | 5 votes |
|
public long getLatestOffset(SimpleConsumer consumer, String topic, int partition, String clientName) {
TopicAndPartition topicAndPartition = new TopicAndPartition(topic, partition);
Map<TopicAndPartition, kafka.api.PartitionOffsetRequestInfo> requestInfo = new HashMap<>();
requestInfo.put(topicAndPartition, new PartitionOffsetRequestInfo(kafka.api.OffsetRequest.LatestTime(), 1));
kafka.javaapi.OffsetRequest request = new kafka.javaapi.OffsetRequest(requestInfo, kafka.api.OffsetRequest.CurrentVersion(), clientName);
OffsetResponse response = consumer.getOffsetsBefore(request);
if (response.hasError()) {
throw new RuntimeException("Error fetching data offset from the broker. Reason: " + response.errorCode(topic, partition));
}
long[] offsets = response.offsets(topic, partition);
return offsets[0];
}
Example 14
| Source File: SimpleKafkaMessageListener.java From micro-integrator with Apache License 2.0 | 5 votes |
|
public static long getLastOffset(SimpleConsumer consumer, String topic, int partition, long whichTime,
String clientName) {
TopicAndPartition topicAndPartition = new TopicAndPartition(topic, partition);
Map<TopicAndPartition, PartitionOffsetRequestInfo> requestInfo = new HashMap<TopicAndPartition, PartitionOffsetRequestInfo>();
requestInfo.put(topicAndPartition, new PartitionOffsetRequestInfo(whichTime, 1));
OffsetRequest request = new OffsetRequest(requestInfo, kafka.api.OffsetRequest.CurrentVersion(), clientName);
OffsetResponse response = consumer.getOffsetsBefore(request);
if (response.hasError()) {
log.error("Error fetching data Offset Data the Broker. Reason: " + response.errorCode(topic, partition));
return 0;
}
long[] offsets = response.offsets(topic, partition);
return offsets[0];
}
Example 15
| Source File: KafkaSimpleConsumer.java From Pistachio with Apache License 2.0 | 5 votes |
|
private long getOffset(boolean earliest) throws InterruptedException {
TopicAndPartition topicAndPartition = new TopicAndPartition(topic, partitionId);
Map<TopicAndPartition, PartitionOffsetRequestInfo> requestInfo = new HashMap<TopicAndPartition, PartitionOffsetRequestInfo>();
requestInfo.put(topicAndPartition, new PartitionOffsetRequestInfo(
earliest ? kafka.api.OffsetRequest.EarliestTime() : kafka.api.OffsetRequest.LatestTime(), 1));
OffsetRequest request = new OffsetRequest(
requestInfo, kafka.api.OffsetRequest.CurrentVersion(), clientId);
OffsetResponse response = null;
try {
response = consumer.getOffsetsBefore(request);
} catch (Exception e) {
// e could be an instance of ClosedByInterruptException as SimpleConsumer.getOffsetsBefore uses nio
if (Thread.interrupted()) {
logger.info("catch exception of {} with interrupted in getOffset({}) for {} - {}",
e.getClass().getName(), earliest, topic, partitionId);
throw new InterruptedException();
}
logger.error("caught exception in getOffsetsBefore {} - {}", topic, partitionId, e);
return -1;
}
if (response.hasError()) {
logger.error("error fetching data Offset from the Broker {}. reason: {}", leaderBroker.host(), response.errorCode(topic, partitionId));
return -1;
}
long[] offsets = response.offsets(topic, partitionId);
return earliest ? offsets[0] : offsets[offsets.length - 1];
}
Example 16
| Source File: KafkaSimpleConsumer.java From Pistachio with Apache License 2.0 | 5 votes |
|
public long getLastOffset() throws InterruptedException {
OffsetResponse response = null;
Broker previousLeader = leaderBroker;
while (true) {
TopicAndPartition topicAndPartition = new TopicAndPartition(topic, partitionId);
Map<TopicAndPartition, PartitionOffsetRequestInfo> requestInfo = new HashMap<TopicAndPartition, PartitionOffsetRequestInfo>();
requestInfo.put(topicAndPartition, new PartitionOffsetRequestInfo(kafka.api.OffsetRequest.LatestTime(), 1));
kafka.javaapi.OffsetRequest request = new kafka.javaapi.OffsetRequest(
requestInfo, kafka.api.OffsetRequest.CurrentVersion(), clientId);
ensureConsumer(previousLeader);
try {
response = consumer.getOffsetsBefore(request);
} catch (Exception e) {
// e could be an instance of ClosedByInterruptException as SimpleConsumer.fetch uses nio
if (Thread.interrupted()) {
logger.info("catch exception of {} with interrupted in getLastOffset for {} - {}",
e.getClass().getName(), topic, partitionId);
throw new InterruptedException();
}
logger.warn("caughte exception in getLastOffset {} - {}", topic, partitionId, e);
response = null;
}
if (response == null || response.hasError()) {
short errorCode = response != null ? response.errorCode(topic, partitionId) : ErrorMapping.UnknownCode();
logger.warn("Error fetching data Offset for {} - {}, the Broker. Reason: {}",
topic, partitionId, errorCode);
stopConsumer();
previousLeader = leaderBroker;
leaderBroker = null;
continue;
}
break;
}
long[] offsets = response.offsets(topic, partitionId);
return offsets[offsets.length - 1];
}
Example 17
| Source File: KafkaWrapper.java From incubator-gobblin with Apache License 2.0 | 5 votes |
|
private long getOffset(KafkaPartition partition,
Map<TopicAndPartition, PartitionOffsetRequestInfo> offsetRequestInfo)
throws KafkaOffsetRetrievalFailureException {
SimpleConsumer consumer = this.getSimpleConsumer(partition.getLeader().getHostAndPort());
for (int i = 0; i < this.fetchOffsetRetries; i++) {
try {
OffsetResponse offsetResponse = consumer.getOffsetsBefore(new OffsetRequest(offsetRequestInfo,
kafka.api.OffsetRequest.CurrentVersion(), this.clientName));
if (offsetResponse.hasError()) {
throw new RuntimeException(
"offsetReponse has error: " + offsetResponse.errorCode(partition.getTopicName(), partition.getId()));
}
return offsetResponse.offsets(partition.getTopicName(), partition.getId())[0];
} catch (Exception e) {
LOG.warn(
String.format("Fetching offset for partition %s has failed %d time(s). Reason: %s", partition, i + 1, e));
if (i < this.fetchOffsetRetries - 1) {
try {
Thread.sleep((long) ((i + Math.random()) * 1000));
} catch (InterruptedException e2) {
LOG.error("Caught interrupted exception between retries of getting latest offsets. " + e2);
}
}
}
}
throw new KafkaOffsetRetrievalFailureException(
String.format("Fetching offset for partition %s has failed.", partition));
}
Example 18
| Source File: Kafka08ConsumerClient.java From incubator-gobblin with Apache License 2.0 | 5 votes |
|
private long getOffset(KafkaPartition partition, Map<TopicAndPartition, PartitionOffsetRequestInfo> offsetRequestInfo)
throws KafkaOffsetRetrievalFailureException {
SimpleConsumer consumer = this.getSimpleConsumer(partition.getLeader().getHostAndPort());
for (int i = 0; i < this.fetchOffsetRetries; i++) {
try {
OffsetResponse offsetResponse =
consumer.getOffsetsBefore(new OffsetRequest(offsetRequestInfo, kafka.api.OffsetRequest.CurrentVersion(),
this.clientName));
if (offsetResponse.hasError()) {
throw new RuntimeException("offsetReponse has error: "
+ offsetResponse.errorCode(partition.getTopicName(), partition.getId()));
}
return offsetResponse.offsets(partition.getTopicName(), partition.getId())[0];
} catch (Exception e) {
log.warn(String.format("Fetching offset for partition %s has failed %d time(s). Reason: %s", partition, i + 1,
e));
if (i < this.fetchOffsetRetries - 1) {
try {
Thread.sleep((long) ((i + Math.random()) * 1000));
} catch (InterruptedException e2) {
log.error("Caught interrupted exception between retries of getting latest offsets. " + e2);
}
}
}
}
throw new KafkaOffsetRetrievalFailureException(String.format("Fetching offset for partition %s has failed.",
partition));
}
Example 19
| Source File: ZKOffsetGetter.java From kmanager with Apache License 2.0 | 4 votes |
|
@Override
public OffsetInfo processPartition(String group, String topic, String partitionId) {
OffsetInfo offsetInfo = null;
Tuple2<String, Stat> offset_stat = readZkData(
ZkUtils.ConsumersPath() + "/" + group + "/" + "offsets/" + topic + "/" + partitionId);
if (offset_stat == null) {
return null;
}
if (System.currentTimeMillis() - offset_stat._2().getMtime() > excludeByLastSeen) {
// TODO 对于最后一次消费时间为一周前的，直接抛弃。是否维护一个被排除的partition 列表？
return null;
}
ZkDataAndStat dataAndStat = ZKUtils
.readDataMaybeNull(ZkUtils.ConsumersPath() + "/" + group + "/" + "owners/" + topic + "/" + partitionId);
try {
Integer leader = (Integer) ZKUtils.getZKUtilsFromKafka()
.getLeaderForPartition(topic, Integer.parseInt(partitionId)).get();
SimpleConsumer consumer = null;
if (consumerMap.containsKey(leader)) {
consumer = consumerMap.get(leader);
} else {
consumer = getConsumer(leader);
consumerMap.put(leader, consumer);
}
TopicAndPartition topicAndPartition = new TopicAndPartition(topic, Integer.parseInt(partitionId));
Map<TopicAndPartition, PartitionOffsetRequestInfo> tpMap = new HashMap<TopicAndPartition, PartitionOffsetRequestInfo>();
tpMap.put(topicAndPartition, new PartitionOffsetRequestInfo(
earliest ? kafka.api.OffsetRequest.EarliestTime() : kafka.api.OffsetRequest.LatestTime(), 1));
OffsetRequest request = new OffsetRequest(tpMap, kafka.api.OffsetRequest.CurrentVersion(),
String.format("%s_%s_%s", topic, partitionId, clientId));
OffsetResponse response = null;
response = consumer.getOffsetsBefore(request);
if (response.hasError()) {
LOG.error("error fetching data Offset from the Broker {}. reason: {}", leader,
response.errorCode(topic, Integer.parseInt(partitionId)));
throw new RuntimeException("fetching offset error!");
}
long[] offsets = response.offsets(topic, Integer.parseInt(partitionId));
if (dataAndStat.getData() == null) { // Owner not available
// TODO dataAndStat that partition may not have any owner
offsetInfo = new OffsetInfo(group, topic, Integer.parseInt(partitionId),
Long.parseLong(offset_stat._1()), offsets[offsets.length - 1], "NA",
offset_stat._2().getCtime(), offset_stat._2().getMtime());
} else {
offsetInfo = new OffsetInfo(group, topic, Integer.parseInt(partitionId),
Long.parseLong(offset_stat._1()), offsets[offsets.length - 1], dataAndStat.getData(),
offset_stat._2().getCtime(), offset_stat._2().getMtime());
}
} catch (Exception e) {
if (e instanceof ZkNoNodeException) {
} else if (e instanceof NoNodeException) {
// TODO dataAndStat that partition may not have any owner
} else if (e instanceof BrokerNotAvailableException) {
// TODO broker id -1 ? Alerting???
LOG.warn(String.format("Get leader partition for [group: %s, topic: %s, partition: %s] faild!", group,
topic, partitionId), e.getMessage());
if (dataAndStat.getData() == null) { // Owner not available
// TODO dataAndStat that partition may not have any owner
offsetInfo = new OffsetInfo(group, topic, Integer.parseInt(partitionId),
Long.parseLong(offset_stat._1()), -1l, "NA", offset_stat._2().getCtime(),
offset_stat._2().getMtime());
} else {
offsetInfo = new OffsetInfo(group, topic, Integer.parseInt(partitionId),
Long.parseLong(offset_stat._1()), -1l, dataAndStat.getData(), offset_stat._2().getCtime(),
offset_stat._2().getMtime());
}
} else {
throw new RuntimeException("Something went wrong!" + e);
}
}
return offsetInfo;
}
Example 20
| Source File: KafkaStreamMetadataProvider.java From incubator-pinot with Apache License 2.0 | 4 votes |
|
/**
* Fetches the numeric Kafka offset for this partition for a symbolic name ("largest" or "smallest").
*
* @param offsetCriteria
* @param timeoutMillis Timeout in milliseconds
* @throws java.util.concurrent.TimeoutException If the operation could not be completed within {@code timeoutMillis}
* milliseconds
* @return An offset
*/
@Override
public synchronized StreamPartitionMsgOffset fetchStreamPartitionOffset(@Nonnull OffsetCriteria offsetCriteria, long timeoutMillis)
throws java.util.concurrent.TimeoutException {
Preconditions.checkState(isPartitionProvided,
"Cannot fetch partition offset. StreamMetadataProvider created without partition information");
Preconditions.checkNotNull(offsetCriteria);
final long offsetRequestTime;
if (offsetCriteria.isLargest()) {
offsetRequestTime = kafka.api.OffsetRequest.LatestTime();
} else if (offsetCriteria.isSmallest()) {
offsetRequestTime = kafka.api.OffsetRequest.EarliestTime();
} else {
throw new IllegalArgumentException("Unknown initial offset value " + offsetCriteria.toString());
}
int kafkaErrorCount = 0;
final int MAX_KAFKA_ERROR_COUNT = 10;
final long endTime = System.currentTimeMillis() + timeoutMillis;
while (System.currentTimeMillis() < endTime) {
// Try to get into a state where we're connected to Kafka
while (_currentState.getStateValue() != KafkaConnectionHandler.ConsumerState.CONNECTED_TO_PARTITION_LEADER
&& System.currentTimeMillis() < endTime) {
_currentState.process();
}
if (_currentState.getStateValue() != KafkaConnectionHandler.ConsumerState.CONNECTED_TO_PARTITION_LEADER
&& endTime <= System.currentTimeMillis()) {
throw new TimeoutException();
}
// Send the offset request to Kafka
OffsetRequest request = new OffsetRequest(Collections.singletonMap(new TopicAndPartition(_topic, _partition),
new PartitionOffsetRequestInfo(offsetRequestTime, 1)), kafka.api.OffsetRequest.CurrentVersion(), _clientId);
OffsetResponse offsetResponse;
try {
offsetResponse = _simpleConsumer.getOffsetsBefore(request);
} catch (Exception e) {
_currentState.handleConsumerException(e);
continue;
}
final short errorCode = offsetResponse.errorCode(_topic, _partition);
if (errorCode == Errors.NONE.code()) {
long offset = offsetResponse.offsets(_topic, _partition)[0];
if (offset == 0L) {
LOGGER.warn("Fetched offset of 0 for topic {} and partition {}, is this a newly created topic?", _topic,
_partition);
}
return new LongMsgOffset(offset);
} else if (errorCode == Errors.LEADER_NOT_AVAILABLE.code()) {
// If there is no leader, it'll take some time for a new leader to be elected, wait 100 ms before retrying
Uninterruptibles.sleepUninterruptibly(100, TimeUnit.MILLISECONDS);
} else {
// Retry after a short delay
kafkaErrorCount++;
if (MAX_KAFKA_ERROR_COUNT < kafkaErrorCount) {
throw exceptionForKafkaErrorCode(errorCode);
}
Uninterruptibles.sleepUninterruptibly(100, TimeUnit.MILLISECONDS);
}
}
throw new TimeoutException();
}
