/** * Request offsets before a specific time for a set of partitions, via a Kafka consumer. * * @param consumer The consumer connected to lead broker * @param partitions The list of partitions we need offsets for * @param whichTime The type of time we are requesting. -1 and -2 are special constants (See OffsetRequest) */ private static void requestAndSetSpecificTimeOffsetsFromKafka( SimpleConsumer consumer, List<KafkaTopicPartitionState<TopicAndPartition>> partitions, long whichTime) throws IOException { Map<TopicAndPartition, PartitionOffsetRequestInfo> requestInfo = new HashMap<>(); for (KafkaTopicPartitionState<TopicAndPartition> part : partitions) { requestInfo.put(part.getKafkaPartitionHandle(), new PartitionOffsetRequestInfo(whichTime, 1)); } requestAndSetOffsetsFromKafka(consumer, partitions, requestInfo); }
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; } }
@Override protected long getLatestOffset(KafkaPartition partition) throws KafkaOffsetRetrievalFailureException { Map<TopicAndPartition, PartitionOffsetRequestInfo> offsetRequestInfo = Collections.singletonMap(new TopicAndPartition(partition.getTopicName(), partition.getId()), new PartitionOffsetRequestInfo(kafka.api.OffsetRequest.LatestTime(), 1)); return getOffset(partition, offsetRequestInfo); }
/** * For a set of partitions, if a partition is set with the special offsets {@link OffsetRequest#EarliestTime()} * or {@link OffsetRequest#LatestTime()}, replace them with actual offsets requested via a Kafka consumer. * * @param consumer The consumer connected to lead broker * @param partitions The list of partitions we need offsets for */ private static void requestAndSetEarliestOrLatestOffsetsFromKafka( SimpleConsumer consumer, List<KafkaTopicPartitionState<TopicAndPartition>> partitions) throws Exception { Map<TopicAndPartition, PartitionOffsetRequestInfo> requestInfo = new HashMap<>(); for (KafkaTopicPartitionState<TopicAndPartition> part : partitions) { if (part.getOffset() == OffsetRequest.EarliestTime() || part.getOffset() == OffsetRequest.LatestTime()) { requestInfo.put(part.getKafkaPartitionHandle(), new PartitionOffsetRequestInfo(part.getOffset(), 1)); } } requestAndSetOffsetsFromKafka(consumer, partitions, requestInfo); }
@Override public long getEarliestOffset(KafkaPartition partition) throws KafkaOffsetRetrievalFailureException { Map<TopicAndPartition, PartitionOffsetRequestInfo> offsetRequestInfo = Collections.singletonMap(new TopicAndPartition(partition.getTopicName(), partition.getId()), new PartitionOffsetRequestInfo(kafka.api.OffsetRequest.EarliestTime(), 1)); return getOffset(partition, offsetRequestInfo); }
@Override public long getLatestOffset(KafkaPartition partition) throws KafkaOffsetRetrievalFailureException { Map<TopicAndPartition, PartitionOffsetRequestInfo> offsetRequestInfo = Collections.singletonMap(new TopicAndPartition(partition.getTopicName(), partition.getId()), new PartitionOffsetRequestInfo(kafka.api.OffsetRequest.LatestTime(), 1)); return getOffset(partition, offsetRequestInfo); }
@Override protected long getEarliestOffset(KafkaPartition partition) throws KafkaOffsetRetrievalFailureException { Map<TopicAndPartition, PartitionOffsetRequestInfo> offsetRequestInfo = Collections.singletonMap(new TopicAndPartition(partition.getTopicName(), partition.getId()), new PartitionOffsetRequestInfo(kafka.api.OffsetRequest.EarliestTime(), 1)); return getOffset(partition, offsetRequestInfo); }
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); }
new PartitionOffsetRequestInfo(offsetRequestTime, 1)), kafka.api.OffsetRequest.CurrentVersion(), _clientId); OffsetResponse offsetResponse; try {
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; }
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]; } }
new PartitionOffsetRequestInfo(kafka.api.OffsetRequest.LatestTime(), 1); new PartitionOffsetRequestInfo(kafka.api.OffsetRequest.EarliestTime(), 1); Map<TopicAndPartition, PartitionOffsetRequestInfo> latestOffsetInfo = new HashMap<TopicAndPartition, PartitionOffsetRequestInfo>();
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; }
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; }
@Override protected long getEarliestOffset(KafkaPartition partition) throws KafkaOffsetRetrievalFailureException { Map<TopicAndPartition, PartitionOffsetRequestInfo> offsetRequestInfo = Collections.singletonMap(new TopicAndPartition(partition.getTopicName(), partition.getId()), new PartitionOffsetRequestInfo(kafka.api.OffsetRequest.EarliestTime(), 1)); return getOffset(partition, offsetRequestInfo); }
@Override public long getLatestOffset(KafkaPartition partition) throws KafkaOffsetRetrievalFailureException { Map<TopicAndPartition, PartitionOffsetRequestInfo> offsetRequestInfo = Collections.singletonMap(new TopicAndPartition(partition.getTopicName(), partition.getId()), new PartitionOffsetRequestInfo(kafka.api.OffsetRequest.LatestTime(), 1)); return getOffset(partition, offsetRequestInfo); }
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]; }