Example #1
0
        internal static void Run(ProduceSimpleHelperOption produceOptions)
        {
            failedMessageCount               = 0;
            successMessageCount              = 0;
            sentBatchCount                   = 0;
            produceMessagePerPartition       = new Dictionary <int, int>();
            produceMessagePerPartitionExpect = new Dictionary <int, int>();

            PrepareSentMessages(produceOptions);

            kafkaSimpleManagerConfig = new KafkaSimpleManagerConfiguration()
            {
                Zookeeper        = produceOptions.Zookeeper,
                MaxMessageSize   = SyncProducerConfiguration.DefaultMaxMessageSize,
                PartitionerClass = produceOptions.PartitionerClass
            };
            kafkaSimpleManagerConfig.Verify();
            producerConfigTemplate = new ProducerConfiguration(
                new List <BrokerConfiguration>()
            {
            })                                             //The Brokers will be replaced inside of KafkaSimpleManager
            {
                ForceToPartition        = -1,
                PartitionerClass        = kafkaSimpleManagerConfig.PartitionerClass,
                TotalNumPartitions      = 0,
                RequiredAcks            = produceOptions.RequiredAcks,
                AckTimeout              = produceOptions.AckTimeout,
                SendTimeout             = produceOptions.SendTimeout,
                ReceiveTimeout          = produceOptions.ReceiveTimeout,
                CompressionCodec        = KafkaNetLibraryExample.ConvertToCodec(produceOptions.Compression.ToString()),
                BufferSize              = produceOptions.BufferSize,
                SyncProducerOfOneBroker = produceOptions.SyncProducerOfOneBroker, //Actually it's sync producer socket count of one partition
                MaxMessageSize          = Math.Max(SyncProducerConfiguration.DefaultMaxMessageSize, produceOptions.MessageSize)
            };

            using (ZooKeeperClient zkClient = new ZooKeeperClient(produceOptions.Zookeeper,
                                                                  ZooKeeperConfiguration.DefaultSessionTimeout, ZooKeeperStringSerializer.Serializer))
            {
                zkClient.Connect();
                Dictionary <int, int[]> topicDataInZookeeper = ZkUtils.GetTopicMetadataInzookeeper(zkClient, produceOptions.Topic);

                // -2  by default or customized partitioner class. (you need specify PartitionerClass by -l)
                if (produceOptions.PartitionId == -2)
                {
                    if (string.IsNullOrEmpty(kafkaSimpleManagerConfig.PartitionerClass))
                    {
                        throw new ArgumentException("The partitioer class must not be empty if you want to  send to partition by partitioner.");
                    }
                    //if (producerConfigTemplate.TotalNumPartitions <= 0)
                    //    throw new ArgumentException(string.Format("Please also specify the TotalNumPartitions  if you want to  send to partition by partitioner."));
                    ProduceByPartitionerClass(produceOptions, topicDataInZookeeper.Count);
                }
                else
                {
                    ProduceToRandomOrSpecificPartition(produceOptions);
                }
            }
        }
        /// <summary>
        /// Force get topic metadata and update
        /// </summary>
        public void UpdateInfo(short versionId, int correlationId, string clientId, string topic)
        {
            Logger.InfoFormat("Will update metadata for topic:{0}", topic);
            Guard.NotNullNorEmpty(topic, "topic");
            var shuffledBrokers = this.syncProducerPool.GetShuffledProducers();
            var i = 0;
            var hasFetchedInfo = false;

            while (i < shuffledBrokers.Count && !hasFetchedInfo)
            {
                ISyncProducer producer = shuffledBrokers[i++];

                try
                {
                    var topicMetadataRequest = TopicMetadataRequest.Create(new List <string>()
                    {
                        topic
                    }, versionId,
                                                                           correlationId, clientId);
                    var topicMetadataList = producer.Send(topicMetadataRequest);
                    var topicMetadata     = topicMetadataList.Any() ? topicMetadataList.First() : null;
                    if (topicMetadata != null)
                    {
                        if (topicMetadata.Error != ErrorMapping.NoError)
                        {
                            Logger.WarnFormat("Try get metadata of topic {0} from {1}({2}) . Got error: {3}", topic, producer.Config.BrokerId, producer.Config.Host, topicMetadata.Error.ToString());
                        }
                        else
                        {
                            this.topicPartitionInfo[topic] = topicMetadata;
                            this.topicPartitionInfoLastUpdateTime[topic] = DateTime.UtcNow;
                            Logger.InfoFormat("Will  Update  metadata info, topic {0} ", topic);

                            //TODO:  For all partitions which has metadata, here return the sorted list.
                            //But sometimes kafka didn't return metadata for all topics.
                            this.topicPartitionInfoList[topic] = topicMetadata.PartitionsMetadata.Select(m =>
                            {
                                Partition partition = new Partition(topic, m.PartitionId);
                                if (m.Leader != null)
                                {
                                    var leaderReplica = new Replica(m.Leader.Id, topic);
                                    partition.Leader  = leaderReplica;
                                    Logger.InfoFormat("Topic {0} partition {1} has leader {2}", topic,
                                                      m.PartitionId, m.Leader.Id);

                                    return(partition);
                                }

                                Logger.WarnFormat("Topic {0} partition {1} does not have a leader yet", topic,
                                                  m.PartitionId);

                                return(partition);
                            }
                                                                                                         ).OrderBy(x => x.PartId).ToList();;
                            hasFetchedInfo = true;
                            Logger.InfoFormat("Finish  Update  metadata info, topic {0}  Partitions:{1}  No leader:{2}", topic, this.topicPartitionInfoList[topic].Count, this.topicPartitionInfoList[topic].Where(r => r.Leader == null).Count());

                            //In very weired case, the kafka broker didn't return metadata of all broker. need break and retry.  https://issues.apache.org/jira/browse/KAFKA-1998
                            // http://qnalist.com/questions/5899394/topicmetadata-response-miss-some-partitions-information-sometimes
                            if (zkClient != null)
                            {
                                Dictionary <int, int[]> topicMetaDataInZookeeper = ZkUtils.GetTopicMetadataInzookeeper(this.zkClient, topic);
                                if (topicMetaDataInZookeeper != null && topicMetaDataInZookeeper.Any())
                                {
                                    topicDataInZookeeper[topic] = topicMetaDataInZookeeper;
                                    if (this.topicPartitionInfoList[topic].Count != topicMetaDataInZookeeper.Count)
                                    {
                                        Logger.ErrorFormat("NOT all partition has metadata.  Topic partition in zookeeper :{0} topics has partition metadata: {1}", topicMetaDataInZookeeper.Count, this.topicPartitionInfoList[topic].Count);
                                        throw new UnavailableProducerException(string.Format("Please make sure every partition at least has one broker running and retry again.   NOT all partition has metadata.  Topic partition in zookeeper :{0} topics has partition metadata: {1}", topicMetaDataInZookeeper.Count, this.topicPartitionInfoList[topic].Count));
                                    }
                                }
                            }
                        }
                    }
                }
                catch (Exception e)
                {
                    Logger.ErrorFormat("Try get metadata of topic {0} from {1}({2}) . Got error: {3}", topic, producer.Config.BrokerId, producer.Config.Host, e.FormatException());
                }
            }
        }
        internal static string DumpTopicMetadataAndOffsetInternal(ZooKeeperClient zkClient, string topic,
                                                                  string zookeeper,
                                                                  int partitionIndex,
                                                                  bool includePartitionDetailInfo,
                                                                  bool includeOffsetInfo,
                                                                  DateTime timestamp,
                                                                  SortedDictionary <int, int> parttionBrokerID_LeaderCountDistribAll,
                                                                  SortedDictionary <int, int> parttionBrokerID_ReplicaCountDistribAll,
                                                                  SortedDictionary <int, long> latestOffset,
                                                                  SortedDictionary <int, long> latestLength)
        {
            StringBuilder sb = new StringBuilder();
            string        s  = string.Empty;
            //BrokerID -->Count of as leader
            SortedDictionary <int, int> parttionBrokerID_LeaderCountDistrib = new SortedDictionary <int, int>();
            //BrokerID -->Count of as replica
            SortedDictionary <int, int> parttionBrokerID_ReplicaCountDistrib = new SortedDictionary <int, int>();

            try
            {
                if (string.IsNullOrEmpty(zookeeper))
                {
                    Logger.Error(" zookeeper  should be provided");
                    sb.AppendFormat(DumpTopicError, topic);
                }
                else
                {
                    KafkaSimpleManagerConfiguration config = new KafkaSimpleManagerConfiguration()
                    {
                        Zookeeper = zookeeper
                    };
                    config.Verify();
                    Dictionary <int, int[]> detailDataInZookeeper = ZkUtils.GetTopicMetadataInzookeeper(zkClient, topic);
                    using (KafkaSimpleManager <int, Message> kafkaSimpleManager = new KafkaSimpleManager <int, Message>(config))
                    {
                        TopicMetadata topicMetadata = kafkaSimpleManager.RefreshMetadata(KafkaNETExampleConstants.DefaultVersionId, ClientID, TopicMetadataRequestID++, topic, true);

                        int partitionCount = topicMetadata.PartitionsMetadata.Count();
                        sb.AppendFormat("Topic:{0}\tPartitionCount:{1}\t", topic, partitionCount);

                        int replicationFactor = Enumerable.Count <Broker>(topicMetadata.PartitionsMetadata.First().Replicas);
                        sb.AppendFormat("ReplicationFactor:{0}\t", replicationFactor);

                        //TODO:  compare detailDataInZookeeper and check which one missed.
                        StringBuilder sbDetail = new StringBuilder();
                        if (includePartitionDetailInfo)
                        {
                            long sumEndOffset = 0;
                            long sumLength    = 0;
                            foreach (PartitionMetadata p in topicMetadata.PartitionsMetadata.OrderBy(r => r.PartitionId).ToList())
                            {
                                int[] replicaInZookeeper = null;
                                if (detailDataInZookeeper.ContainsKey(p.PartitionId))
                                {
                                    replicaInZookeeper = detailDataInZookeeper[p.PartitionId];
                                    detailDataInZookeeper.Remove(p.PartitionId);
                                }

                                #region One partition
                                long earliest = 0;
                                long latest   = 0;
                                if (partitionIndex == -1 || p.PartitionId == partitionIndex)
                                {
                                    //sbDetail.AppendFormat("\tTopic:{0}", topic);
                                    sbDetail.AppendFormat("\tPartition:{0}", p.PartitionId);
                                    if (p.Leader != null)
                                    {
                                        sbDetail.AppendFormat("\tLeader:{0}", KafkaConsoleUtil.GetBrokerIDAndIP(p.Leader.Id));

                                        if (parttionBrokerID_LeaderCountDistrib.ContainsKey(p.Leader.Id))
                                        {
                                            parttionBrokerID_LeaderCountDistrib[p.Leader.Id]++;
                                        }
                                        else
                                        {
                                            parttionBrokerID_LeaderCountDistrib.Add(p.Leader.Id, 1);
                                        }

                                        if (parttionBrokerID_LeaderCountDistribAll.ContainsKey(p.Leader.Id))
                                        {
                                            parttionBrokerID_LeaderCountDistribAll[p.Leader.Id]++;
                                        }
                                        else
                                        {
                                            parttionBrokerID_LeaderCountDistribAll.Add(p.Leader.Id, 1);
                                        }
                                    }
                                    else
                                    {
                                        sbDetail.AppendFormat("\tLeader:NoLeader!");
                                    }

                                    sbDetail.AppendFormat("\tReplicas:{0}", string.Join(",", p.Replicas.Select(r => KafkaConsoleUtil.GetBrokerIDAndIP(r.Id)).ToArray()));
                                    foreach (Broker b in p.Replicas)
                                    {
                                        if (parttionBrokerID_ReplicaCountDistrib.ContainsKey(b.Id))
                                        {
                                            parttionBrokerID_ReplicaCountDistrib[b.Id]++;
                                        }
                                        else
                                        {
                                            parttionBrokerID_ReplicaCountDistrib.Add(b.Id, 1);
                                        }

                                        if (parttionBrokerID_ReplicaCountDistribAll.ContainsKey(b.Id))
                                        {
                                            parttionBrokerID_ReplicaCountDistribAll[b.Id]++;
                                        }
                                        else
                                        {
                                            parttionBrokerID_ReplicaCountDistribAll.Add(b.Id, 1);
                                        }
                                    }

                                    //sbDetail.AppendFormat("\tIsr:{0}", string.Join(",", p.Isr.Select(r => r.Id).ToArray()));
                                    ArrayList isrs = GetIsr(zkClient, topic, p.PartitionId);
                                    sbDetail.AppendFormat("\tIsr:{0}", string.Join(",", isrs.ToArray().Select(r => KafkaConsoleUtil.GetBrokerIDAndIP(Convert.ToInt32(r)))));
                                    //TODO: add missed replica

                                    #region Offset
                                    if (includeOffsetInfo)
                                    {
                                        try
                                        {
                                            kafkaSimpleManager.RefreshAndGetOffset(KafkaNETExampleConstants.DefaultVersionId, ClientID, TopicMetadataRequestID++, topic, p.PartitionId, true, out earliest, out latest);
                                            sumEndOffset += latest;
                                            sumLength    += (latest - earliest);
                                            sbDetail.AppendFormat("\tlength:{2}\tearliest:{0}\tlatest:{1}"
                                                                  , earliest
                                                                  , latest
                                                                  , (latest - earliest) == 0 ? "(empty)" : (latest - earliest).ToString());
                                            sbDetail.AppendFormat("\r\n");

                                            latestOffset.Add(p.PartitionId, latest);
                                            latestLength.Add(p.PartitionId, latest - earliest);
                                        }
                                        catch (NoLeaderForPartitionException e)
                                        {
                                            sbDetail.AppendFormat(" ERROR:{0}\r\n", e.Message);
                                        }
                                        catch (UnableToConnectToHostException e)
                                        {
                                            sbDetail.AppendFormat(" ERROR:{0}\r\n", e.Message);
                                        }

                                        if (timestamp != DateTime.MinValue)
                                        {
                                            long timestampLong = KafkaClientHelperUtils.ToUnixTimestampMillis(timestamp);
                                            try
                                            {
                                                long timeStampOffset = kafkaSimpleManager.RefreshAndGetOffsetByTimeStamp(KafkaNETExampleConstants.DefaultVersionId, ClientID, TopicMetadataRequestID++, topic, p.PartitionId, timestamp);
                                                sbDetail.AppendFormat("\t\ttimeStampOffset:{0}\ttimestamp(UTC):{1}\tUnixTimestamp:{2}\t"
                                                                      , timeStampOffset
                                                                      , KafkaClientHelperUtils.DateTimeFromUnixTimestampMillis(timestampLong).ToString("s")
                                                                      , timestampLong);
                                                sbDetail.AppendFormat("\r\n");
                                            }
                                            catch (TimeStampTooSmallException)
                                            {
                                                sbDetail.AppendFormat("\t\ttimeStampOffset:{0}\ttimestamp(UTC):{1}\tUnixTimestamp:{2}\t"
                                                                      , "NA since no data before the time you specified, please retry with a bigger value."
                                                                      , KafkaClientHelperUtils.DateTimeFromUnixTimestampMillis(timestampLong).ToString("s")
                                                                      , timestampLong);
                                                sbDetail.AppendFormat("\r\n");
                                            }
                                        }
                                    }
                                    #endregion
                                }
                                #endregion
                            }
                            if (includeOffsetInfo)
                            {
                                sb.AppendFormat("SumeEndOffset:{0:0,0}  SumLength:{1:0,0}\r\n", sumEndOffset, sumLength);
                            }
                            else
                            {
                                sb.AppendFormat("\r\n");
                            }

                            if (detailDataInZookeeper.Any())
                            {
                                foreach (KeyValuePair <int, int[]> kv in detailDataInZookeeper)
                                {
                                    sb.AppendFormat("=ERROR=MISSED partition= {0}  Replicas {1} ", kv.Key, string.Join(",", kv.Value.Select(r => r.ToString()).ToArray()));
                                }
                            }
                        }

                        sb.Append(sbDetail.ToString());
                        sb.AppendFormat("\tBroker as leader distribution======={0}=======\r\n", topic);
                        sb.AppendFormat("\r\tBrokerID\tLeadPartition count\r\n");
                        foreach (KeyValuePair <int, int> kv in parttionBrokerID_LeaderCountDistrib)
                        {
                            sb.AppendFormat("\t\t{0}\t{1}\r\n", KafkaConsoleUtil.GetBrokerIDAndIP(kv.Key), kv.Value);
                        }

                        sb.AppendFormat("\tBroker as replica distribution========={0}=====\r\n", topic);
                        sb.AppendFormat("\r\tBrokerID\tReplication count count\r\n");
                        foreach (KeyValuePair <int, int> kv in parttionBrokerID_ReplicaCountDistrib)
                        {
                            sb.AppendFormat("\t\t{0}\t{1}\r\n", KafkaConsoleUtil.GetBrokerIDAndIP(kv.Key), kv.Value);
                        }

                        sb.AppendFormat("\r\n");
                    }
                }

                s = sb.ToString();
            }
            catch (NoBrokerForTopicException e)
            {
                sb.AppendFormat("\r\nTopic:{0}\t ==NoBrokerForTopicException:{1}!!!== \r\n", topic, e.Message);
                s = sb.ToString();
            }
            catch (UnableToConnectToHostException e)
            {
                sb.AppendFormat("\r\nTopic:{0}\t ==UnableToConnectToHostException:{1}!!!== \r\n", topic, e.Message);
                s = sb.ToString();
            }
            catch (Exception ex)
            {
                Logger.ErrorFormat("Dump topic got exception:{0}\r\ninput parameter:Topic:{1}\tZookeeper:{2}\tKafka:{3}\tPartionIndex:{4}\tincludePartitionDetailInfo:{5}\tincludeOffsetInfo:{6}\ttimestamp:{7}\r\nPartial result:{8}"
                                   , ExceptionUtil.GetExceptionDetailInfo(ex),
                                   topic,
                                   zookeeper,
                                   string.Empty,
                                   partitionIndex,
                                   includePartitionDetailInfo,
                                   includeOffsetInfo,
                                   timestamp,
                                   s);
            }

            return(s);
        }