public long getOffset(String topic, int partition, long startOffsetTime) { SimpleConsumer simpleConsumer = findLeaderConsumer(partition); if (simpleConsumer == null) { LOG.error("Error consumer is null get offset from partition:" + partition); return -1; } TopicAndPartition topicAndPartition = new TopicAndPartition(topic, partition); Map<TopicAndPartition, PartitionOffsetRequestInfo> requestInfo = new HashMap<TopicAndPartition, PartitionOffsetRequestInfo>(); requestInfo.put(topicAndPartition, new PartitionOffsetRequestInfo(startOffsetTime, 1)); OffsetRequest request = new OffsetRequest(requestInfo, kafka.api.OffsetRequest.CurrentVersion(), simpleConsumer.clientId()); long[] offsets = simpleConsumer.getOffsetsBefore(request).offsets(topic, partition); if (offsets.length > 0) { return offsets[0]; } else { return NO_OFFSET; } }
private static long[] findAllOffsets(SimpleConsumer consumer, String topicName, int partitionId) { TopicAndPartition topicAndPartition = new TopicAndPartition(topicName, partitionId); // The API implies that this will always return all of the offsets. So it seems a partition can not have // more than Integer.MAX_VALUE-1 segments. // // This also assumes that the lowest value returned will be the first segment available. So if segments have been dropped off, this value // should not be 0. PartitionOffsetRequestInfo partitionOffsetRequestInfo = new PartitionOffsetRequestInfo(kafka.api.OffsetRequest.LatestTime(), Integer.MAX_VALUE); OffsetRequest offsetRequest = new OffsetRequest(ImmutableMap.of(topicAndPartition, partitionOffsetRequestInfo), kafka.api.OffsetRequest.CurrentVersion(), consumer.clientId()); OffsetResponse offsetResponse = consumer.getOffsetsBefore(offsetRequest); if (offsetResponse.hasError()) { short errorCode = offsetResponse.errorCode(topicName, partitionId); throw new RuntimeException("could not fetch data from Kafka, error code is '" + errorCode + "'"); } return offsetResponse.offsets(topicName, partitionId); }
OffsetResponse response; while (true) { kafka.javaapi.OffsetRequest request = new kafka.javaapi.OffsetRequest( partitionToRequestInfo, kafka.api.OffsetRequest.CurrentVersion(), consumer.clientId()); response = consumer.getOffsetsBefore(request);
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)); }
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)); }
OffsetRequest request = new OffsetRequest(Collections.singletonMap(new TopicAndPartition(_topic, _partition), new PartitionOffsetRequestInfo(offsetRequestTime, 1)), kafka.api.OffsetRequest.CurrentVersion(), _clientId); OffsetResponse offsetResponse;
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; try { response = consumer.getOffsetsBefore(request); } catch (Exception e) { ensureNotInterrupted(e); log.error(e, "caught exception in getOffsetsBefore [%s] - [%s]", topic, partitionId); return -1; } if (response.hasError()) { log.error( "error fetching data Offset from the Broker [%s]. reason: [%s]", leaderBroker.host(), response.errorCode(topic, partitionId) ); return -1; } long[] offsets = response.offsets(topic, partitionId); return earliest ? offsets[0] : offsets[offsets.length - 1]; }
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; }
protected OffsetResponse getLatestOffsetResponse(SimpleConsumer consumer, Map<TopicAndPartition, PartitionOffsetRequestInfo> offsetInfo, JobContext context) { for (int i = 0; i < NUM_TRIES_FETCH_FROM_LEADER; i++) { try { OffsetResponse offsetResponse = consumer.getOffsetsBefore(new OffsetRequest(offsetInfo, kafka.api.OffsetRequest.CurrentVersion(), CamusJob .getKafkaClientName(context))); if (offsetResponse.hasError()) { throw new RuntimeException("offsetReponse has error."); } return offsetResponse; } catch (Exception e) { log.warn("Fetching offset from leader " + consumer.host() + ":" + consumer.port() + " has failed " + (i + 1) + " time(s). Reason: " + e.getMessage() + " " + (NUM_TRIES_FETCH_FROM_LEADER - i - 1) + " retries left."); if (i < NUM_TRIES_FETCH_FROM_LEADER - 1) { try { Thread.sleep((long) (Math.random() * (i + 1) * 1000)); } catch (InterruptedException e1) { log.error("Caught interrupted exception between retries of getting latest offsets. " + e1.getMessage()); } } } } return null; }
private static 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]; } }
private static long[] findAllOffsets(SimpleConsumer consumer, String topicName, int partitionId) { TopicAndPartition topicAndPartition = new TopicAndPartition(topicName, partitionId); // The API implies that this will always return all of the offsets. So it seems a partition can not have // more than Integer.MAX_VALUE-1 segments. // // This also assumes that the lowest value returned will be the first segment available. So if segments have been dropped off, this value // should not be 0. PartitionOffsetRequestInfo partitionOffsetRequestInfo = new PartitionOffsetRequestInfo(kafka.api.OffsetRequest.LatestTime(), 10000); OffsetRequest offsetRequest = new OffsetRequest(ImmutableMap.of(topicAndPartition, partitionOffsetRequestInfo), kafka.api.OffsetRequest.CurrentVersion(), consumer.clientId()); OffsetResponse offsetResponse = consumer.getOffsetsBefore(offsetRequest); if (offsetResponse.hasError()) { short errorCode = offsetResponse.errorCode(topicName, partitionId); LOGGER.warn(format("Offset response has error: %d", errorCode)); throw new RakamException("could not fetch data from Kafka, error code is '" + errorCode + "'", HttpResponseStatus.INTERNAL_SERVER_ERROR); } long[] offsets = offsetResponse.offsets(topicName, partitionId); return offsets; }
public static long getMaxOffset(SimpleConsumer consumer, String topic, int partition) throws Exception { TopicAndPartition topicAndPartition = new TopicAndPartition(topic, partition); Map<TopicAndPartition, PartitionOffsetRequestInfo> requestInfoMap = new HashMap<>(); requestInfoMap.put(topicAndPartition, new PartitionOffsetRequestInfo(kafka.api.OffsetRequest.LatestTime(), 1)); kafka.javaapi.OffsetRequest request = new kafka.javaapi.OffsetRequest(requestInfoMap, kafka.api.OffsetRequest.CurrentVersion(), "find offset " + System.currentTimeMillis()); OffsetResponse response = consumer.getOffsetsBefore(request); if(response.hasError()) { throw new Exception("error fetching data offset , reason = " + response.errorCode(topic, partition)); } long[] offsets = response.offsets(topic, partition); return offsets[0]; }
public static long getMinOffset(SimpleConsumer consumer, String topic, int partition) throws Exception { TopicAndPartition topicAndPartition = new TopicAndPartition(topic, partition); Map<TopicAndPartition, PartitionOffsetRequestInfo> requestInfoMap = new HashMap<>(); requestInfoMap.put(topicAndPartition, new PartitionOffsetRequestInfo(kafka.api.OffsetRequest.EarliestTime(), 1)); kafka.javaapi.OffsetRequest request = new kafka.javaapi.OffsetRequest(requestInfoMap, kafka.api.OffsetRequest.CurrentVersion(), "find offset " + System.currentTimeMillis()); OffsetResponse response = consumer.getOffsetsBefore(request); if(response.hasError()) { throw new Exception("error fetching data offset , reason = " + response.errorCode(topic, partition)); } long[] offsets = response.offsets(topic, partition); return offsets[0]; }
private long getEarliestOffset() { // return kafka.api.OffsetRequest.EarliestTime(); Map<TopicAndPartition, PartitionOffsetRequestInfo> requestInfoMap = new HashMap<>(); requestInfoMap.put(topicAndPartition, new PartitionOffsetRequestInfo(EARLIEST_TIME, 1)); OffsetRequest offsetRequest = new OffsetRequest(requestInfoMap, kafka.api.OffsetRequest.CurrentVersion(), CLIENT_ID); if (earliestOffset <= 0) { OffsetResponse offsetResponse = consumer.getOffsetsBefore(offsetRequest); earliestOffset = offsetResponse.offsets(topicAndPartition.topic(), topicAndPartition.partition())[0]; } return earliestOffset; }
public static long getOffset(SimpleConsumer consumer, String topic, int partition, long startOffsetTime) { TopicAndPartition topicAndPartition = new TopicAndPartition(topic, partition); Map<TopicAndPartition, PartitionOffsetRequestInfo> requestInfo = new HashMap<TopicAndPartition, PartitionOffsetRequestInfo>(); requestInfo.put(topicAndPartition, new PartitionOffsetRequestInfo(startOffsetTime, 1)); OffsetRequest request = new OffsetRequest( requestInfo, kafka.api.OffsetRequest.CurrentVersion(), consumer.clientId()); long[] offsets = consumer.getOffsetsBefore(request).offsets(topic, partition); if (offsets.length > 0) { return offsets[0]; } else { return NO_OFFSET; } }
private long getLatestOffset() { // return kafka.api.OffsetRequest.LatestTime(); Map<TopicAndPartition, PartitionOffsetRequestInfo> requestInfoMap = new HashMap<>(); requestInfoMap.put(topicAndPartition, new PartitionOffsetRequestInfo(LATEST_TIME, 1)); OffsetRequest offsetRequest = new OffsetRequest(requestInfoMap, kafka.api.OffsetRequest.CurrentVersion(), CLIENT_ID); if (latestOffset <= 0) { OffsetResponse offsetResponse = consumer.getOffsetsBefore(offsetRequest); latestOffset = offsetResponse.offsets(topicAndPartition.topic(), topicAndPartition.partition())[0]; } return latestOffset; }
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]; }
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]; }
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]; }
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]; }