{"id":24481,"date":"2025-04-19T10:12:12","date_gmt":"2025-04-19T02:12:12","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/24481.html"},"modified":"2025-04-19T10:12:12","modified_gmt":"2025-04-19T02:12:12","slug":"kafka%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%9a%84%e7%ae%80%e5%8d%95%e9%83%a8%e7%bd%b2%e4%bb%a5%e5%8f%8a%e6%b6%88%e6%81%af%e7%9a%84%e7%94%9f%e4%ba%a7%e3%80%81%e6%b6%88%e8%b4%b9%e3%80%81%e7%9b%91%e6%8e%a7","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/24481.html","title":{"rendered":"Kafka\u670d\u52a1\u5668\u7684\u7b80\u5355\u90e8\u7f72\u4ee5\u53ca\u6d88\u606f\u7684\u751f\u4ea7\u3001\u6d88\u8d39\u3001\u76d1\u63a7"},"content":{"rendered":"

\u76ee\u5f55<\/p>\n

1. \u5728\u670d\u52a1\u5668\u4e0a\u5b89\u88c5Kafka<\/p>\n

1.1 \u76f4\u63a5\u5b89\u88c5<\/p>\n

1.2 \u4f7f\u7528\u955c\u50cf\u65b9\u5f0f\u914d\u7f6e\u5230\u670d\u52a1\u5668<\/p>\n

1. \u51c6\u5907Kafka\u955c\u50cf<\/p>\n

(1) \u8fdc\u7a0b\u62c9\u53d6Kafka\u955c\u50cf<\/p>\n

(2) \u5728\u672c\u5730\u4e0b\u8f7d\u955c\u50cf\u5e76\u4e0a\u4f20\u81f3\u670d\u52a1\u5668\u542f\u52a8<\/p>\n

\n

2. \u521b\u5efa\u914d\u7f6e\u76ee\u5f55<\/p>\n

1. 3 \u7f16\u5199Docker Compose\u6587\u4ef6<\/p>\n

1. 4 \u542f\u52a8Kafka\u670d\u52a1<\/p>\n

(2) \u6d4b\u8bd5Kafka\u670d\u52a1<\/p>\n

2. \u5728\u9879\u76ee\u4e2d\u8fdb\u884c\u8c03\u7528<\/p>\n

2.1\u00a0\u6d88\u606f\u7684\u751f\u4ea7：<\/p>\n

（1）\u9996\u5148\u5b89\u88c5 Confluent.Kafka \u5e93（NuGet \u5305）<\/p>\n

（2）\u5411Kafka\u6240\u5728\u670d\u52a1\u5668\u751f\u4ea7\u6d88\u606f：<\/p>\n

2.2 \u6d88\u606f\u7684\u6d88\u8d39：<\/p>\n

3. \u81ea\u5b9a\u4e49Kafka\u76d1\u63a7<\/p>\n

\n

1. \u5728\u670d\u52a1\u5668\u4e0a\u5b89\u88c5Kafka<\/h2>\n

\u5728\u670d\u52a1\u5668\u4e0a\u5b89\u88c5Kafka\u67092\u79cd\u65b9\u5f0f：<\/p>\n

1.1 \u76f4\u63a5\u5b89\u88c5<\/h3>\n

\u672c\u6b21\u5b89\u88c5\u6ca1\u6709\u6d89\u53ca\u5230\u670d\u52a1\u5668\u76f4\u63a5\u5b89\u88c5，\u53ef\u53c2\u8003Kafka （\u5feb\u901f）\u5b89\u88c5\u90e8\u7f72_kafka\u5b89\u88c5-CSDN\u535a\u5ba2<\/p>\n

1.2 \u4f7f\u7528\u955c\u50cf\u65b9\u5f0f\u914d\u7f6e\u5230\u670d\u52a1\u5668<\/h3>\n

1. \u51c6\u5907Kafka\u955c\u50cf<\/h4>\n<\/p>\n

(1) \u8fdc\u7a0b\u62c9\u53d6Kafka\u955c\u50cf<\/h4>\n

\u5b98\u65b9Kafka\u955c\u50cf\u53ef\u4ee5\u4eceConfluent\u7684Docker\u955c\u50cf\u5e93\u83b7\u53d6\u3002\u5728\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4：<\/p>\n<\/p>\n

docker pull confluentinc\/cp-kafka:latest<\/p>\n

docker pull confluentinc\/cp-zookeeper:latest <\/p>\n

\u5982\u679c\u52a0\u901f\u5668\u65e0\u6548，\u4e5f\u53ef\u4ee5\u901a\u8fc7\u79bb\u7ebf\u4e0b\u8f7d\u548c\u4e0a\u4f20\u7684\u65b9\u5f0f\u89e3\u51b3\u3002<\/p>\n

(2) \u5728\u672c\u5730\u4e0b\u8f7d\u955c\u50cf\u5e76\u4e0a\u4f20\u81f3\u670d\u52a1\u5668\u542f\u52a8<\/h4>\n

1. \u5728\u7f51\u7edc\u7545\u901a\u7684\u672c\u5730\u673a\u5668\u4e0a\u62c9\u53d6Kafka\u955c\u50cf\u548czookeeper\u955c\u50cf：<\/p>\n

docker pull confluentinc\/cp-zookeeper:latest <\/p>\n

docker pull confluentinc\/cp-kafka:latest <\/p>\n

\u4fdd\u5b58\u955c\u50cf\u5230\u6587\u4ef6：<\/p>\n

docker save confluentinc\/cp-zookeeper:latest -o cp-zookeeper.tar <\/p>\n

docker save confluentinc\/cp-kafka:latest -o cp-kafka.tar <\/p>\n

2. \u4e0a\u4f20\u5230\u670d\u52a1\u5668<\/p>\n

\u901a\u8fc7scp\u6216\u5176\u4ed6\u5de5\u5177\u5c06\u955c\u50cf\u6587\u4ef6\u4e0a\u4f20\u5230\u670d\u52a1\u5668：<\/p>\n

scp cp-kafka.tar user@server_ip:\/path\/to\/destination <\/p>\n

3. \u5728\u670d\u52a1\u5668\u4e0a\u52a0\u8f7d\u955c\u50cf<\/p>\n

\u5728\u76ee\u6807\u670d\u52a1\u5668\u4e0a\u52a0\u8f7d\u955c\u50cf：<\/p>\n

docker load -i \/path\/to\/destination\/cp-zookeeper.tar <\/p>\n

docker load -i \/path\/to\/destination\/cp-kafka.tar <\/p>\n

<\/h3>\n

2. \u521b\u5efa\u914d\u7f6e\u76ee\u5f55<\/h4>\n

\u521b\u5efa\u4e00\u4e2a\u76ee\u5f55\u7528\u4e8e\u5b58\u653eKafka\u7684Docker Compose\u914d\u7f6e\u6587\u4ef6：<\/p>\n

mkdir kafka-docker cd kafka-docker <\/p>\n

\n

1. 3 \u7f16\u5199Docker Compose\u6587\u4ef6<\/h3>\n

\u521b\u5efadocker-compose.yml\u6587\u4ef6，\u6587\u4ef6\u5185\u5bb9：<\/p>\n

version: '3.7'
\nservices:
\n zookeeper:
\n image: confluentinc\/cp-zookeeper:latest
\n container_name: zookeeper
\n environment:
\n ZOOKEEPER_CLIENT_PORT: 2181
\n ZOOKEEPER_TICK_TIME: 2000
\n ports:
\n – "2181:2181"<\/p>\n

kafka:
\n image: confluentinc\/cp-kafka:latest
\n container_name: kafka
\n ports:
\n – "9092:9092"
\n environment:
\n KAFKA_BROKER_ID: 1
\n KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
\n KAFKA_ADVERTISED_LISTENERS: PLAINTEXT:\/\/<server_ip>:9092
\n KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
\n depends_on:
\n – zookeeper<\/p>\n

\u5c06<server_ip>\u66ff\u6362\u4e3a\u670d\u52a1\u5668\u7684\u5b9e\u9645IP\u5730\u5740\u3002<\/p>\n

1. 4 \u542f\u52a8Kafka\u670d\u52a1<\/h3>\n

\u5728kafka-docker\u76ee\u5f55\u4e0b\u8fd0\u884c：<\/p>\n

docker-compose up -d <\/p>\n

\u4e0a\u9762\u547d\u4ee4\u53ef\u80fd\u5728Linux\u67d0\u4e9b\u7248\u672c\u4e2d\u4e0d\u9002\u7528，\u53ef\u4ee5\u4f7f\u7528\u4e0b\u9762\u7684\u547d\u4ee4：<\/p>\n

docker compose up -d <\/p>\n

(1) \u9a8c\u8bc1\u670d\u52a1\u72b6\u6001<\/p>\n

\u67e5\u770b\u8fd0\u884c\u4e2d\u7684\u5bb9\u5668：<\/p>\n

docker ps <\/p>\n

\u786e\u4fddzookeeper\u548ckafka\u5bb9\u5668\u90fd\u5df2\u542f\u52a8\u3002<\/p>\n

(2) \u6d4b\u8bd5Kafka\u670d\u52a1<\/h4>\n

\u8fdb\u5165Kafka\u5bb9\u5668：<\/p>\n

docker exec -it kafka bash <\/p>\n

\u5728\u5bb9\u5668\u5185\u521b\u5efa\u4e00\u4e2a\u4e3b\u9898（\u5982\u679c\u662f\u5bb9\u5668\u65b9\u5f0f\u90e8\u7f72，\u4e00\u822ckafka-topics.sh\u547d\u4ee4\u4f1a\u65e0\u6548，\u56e0\u4e3a\u5982\u679c\u4f60\u4f7f\u7528\u7684\u662f Kafka \u955c\u50cf（\u4f8b\u5982\u901a\u8fc7 Docker \u8fd0\u884c Kafka），\u90a3\u4e48 Kafka \u7684\u547d\u4ee4\u884c\u5de5\u5177（\u5982 kafka-topics.sh）\u901a\u5e38\u4e0d\u4f1a\u76f4\u63a5\u66b4\u9732\u5728\u4e3b\u673a\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u3002\u4f46\u662f\u53ef\u4ee5\u5728 Docker \u5bb9\u5668\u4e2d\u6267\u884c\u547d\u4ee4\u5728 Docker \u73af\u5883\u4e2d\u4f7f\u7528 Kafka \u7684\u547d\u4ee4\u884c\u5de5\u5177\u6765\u67e5\u770b Topic \u548c\u5176\u4ed6\u64cd\u4f5c，\u8fd9\u91cc\u4e0d\u505a\u8d58\u8ff0）：<\/p>\n

kafka-topics –create –topic test-topic –bootstrap-server localhost:9092 –partitions 1 –repl <\/p>\n

\u81f3\u6b64，\u670d\u52a1\u5668\u4e0a\u7684Kafka\u670d\u52a1\u5c31\u53ef\u4ee5\u901a\u8fc7\u955c\u50cf\u5bb9\u5668\u7684\u65b9\u5f0f\u5411\u5916\u63d0\u4f9b\u4e86，\u6b64\u65f6\u5916\u90e8\u53ef\u4ee5\u901a\u8fc7IP\u548cKafka\u7684\u7aef\u53e3\u53f7\u5411Kafka\u751f\u4ea7\u6d88\u606f\u548c\u6d88\u8d39\u6d88\u606f\u3002<\/p>\n

2. \u5728\u9879\u76ee\u4e2d\u8fdb\u884c\u8c03\u7528<\/h2>\n

2.1\u00a0\u6d88\u606f\u7684\u751f\u4ea7：<\/h3>\n

\u4ee5C#\u8bed\u8a00\u4e3a\u4f8b：<\/p>\n

（1）\u9996\u5148\u5b89\u88c5 Confluent.Kafka \u5e93（NuGet \u5305）<\/h4>\n

\u5728\u547d\u4ee4\u884c\u4e2d，\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5：<\/p>\n

dotnet add package Confluent.Kafka <\/p>\n

\u6216\u8005\u4e5f\u53ef\u4ee5\u901a\u8fc7 Visual Studio \u7684 NuGet \u5305\u7ba1\u7406\u5668\u6765\u5b89\u88c5\u3002<\/p>\n

（2）\u5411Kafka\u6240\u5728\u670d\u52a1\u5668\u751f\u4ea7\u6d88\u606f：<\/h4>\n

[Description("Kafka\u6d4b\u8bd5")]
\n[HttpPost]
\npublic void ScanDataUseKafka()
\n{
\n \/\/ Kafka \u670d\u52a1\u5668\u7684\u5730\u5740（\u66ff\u6362\u4e3a\u60a8\u7684\u670d\u52a1\u5668 IP \u6216\u4e3b\u673a\u540d）
\n string bootstrapServers = "IP:port";
\n string topic = "test-topic";<\/p>\n

\/\/ \u914d\u7f6e Kafka Producer
\n var config = new ProducerConfig
\n {
\n BootstrapServers = bootstrapServers
\n };<\/p>\n

\/\/ \u521b\u5efa Producer
\n using (var producer = new ProducerBuilder<Null, string>(config).Build())
\n {
\n try
\n {
\n string message = "Hello Kafka !";
\n \/\/ \u53d1\u9001\u6d88\u606f
\n var result = producer.ProduceAsync(topic, new Message<Null, string> { Value = message }).GetAwaiter().GetResult();
\n Console.WriteLine($"\u6d88\u606f\u53d1\u9001\u6210\u529f: {result.TopicPartitionOffset}");
\n \/*}*\/
\n }
\n catch (ProduceException<Null, string> ex)
\n {
\n Console.WriteLine($"\u6d88\u606f\u53d1\u9001\u5931\u8d25: {ex.Error.Reason}");
\n }
\n }
\n} <\/p>\n

2.2 \u6d88\u606f\u7684\u6d88\u8d39：<\/h3>\n

[Description("Kafka\u6d88\u8d39\u6d4b\u8bd5")]
\n[HttpPost]
\npublic void KafkaConsumer()
\n{
\n \/\/ Kafka \u914d\u7f6e
\n var config = new ConsumerConfig
\n {
\n BootstrapServers = "IP:port", \/\/ Kafka Broker \u5730\u5740
\n GroupId = "test-consumer-group", \/\/ \u6d88\u8d39\u8005\u7ec4 ID
\n AutoOffsetReset = AutoOffsetReset.Earliest \/\/ \u8bbe\u7f6e\u6d88\u606f\u6d88\u8d39\u504f\u79fb\u91cf\u7684\u8d77\u59cb\u70b9，Earliest \u4ece\u6700\u65e9\u6d88\u606f\u5f00\u59cb\u6d88\u8d39，Latest \u4ece\u6700\u65b0\u7684\u6d88\u606f\u5f00\u59cb\u6d88\u8d39
\n };<\/p>\n

\/\/ \u521b\u5efa Kafka \u6d88\u8d39\u8005\u5b9e\u4f8b
\n using (var consumer = new ConsumerBuilder<Ignore, string>(config).Build())
\n {
\n \/\/ \u8ba2\u9605\u6307\u5b9a\u7684 Topic
\n consumer.Subscribe("test-topic"); \/\/ \u8fd9\u91cc\u66ff\u6362\u4e3a\u4f60\u9700\u8981\u6d88\u8d39\u7684 Topic \u540d\u79f0<\/p>\n

CancellationTokenSource cts = new CancellationTokenSource();
\n Console.CancelKeyPress += (_, e) =>
\n {
\n e.Cancel = true;
\n cts.Cancel(); \/\/ \u5f53\u6309\u4e0b Ctrl+C \u65f6\u505c\u6b62\u6d88\u8d39
\n };<\/p>\n

try
\n {
\n while (!cts.Token.IsCancellationRequested)
\n {
\n try
\n {
\n \/\/ \u62c9\u53d6\u6d88\u606f
\n var consumeResult = consumer.Consume(cts.Token);<\/p>\n

\/\/ \u8f93\u51fa\u6d88\u606f\u5185\u5bb9
\n Console.WriteLine($"Received message: {consumeResult.Message.Value} from topic {consumeResult.Topic} partition {consumeResult.Partition} offset {consumeResult.Offset}");
\n }
\n catch (ConsumeException e)
\n {
\n Console.WriteLine($"Error occurred: {e.Error.Reason}");
\n }
\n }
\n }
\n catch (OperationCanceledException)
\n {
\n \/\/ \u6355\u83b7\u53d6\u6d88\u64cd\u4f5c\u5f02\u5e38
\n Console.WriteLine("Consuming has been canceled.");
\n }
\n finally
\n {
\n \/\/ \u786e\u4fdd\u6d88\u8d39\u8005\u5173\u95ed
\n consumer.Close();
\n }<\/p>\n

}<\/p>\n

} <\/p>\n

3. \u81ea\u5b9a\u4e49Kafka\u76d1\u63a7<\/h2>\n

\u76ee\u524d\u5df2\u7ecf\u6709Kafka\u76d1\u63a7\u5de5\u5177Kafka Manager\u3001Kafka Tools\u7b49\u7b49，\u4f46\u4e5f\u53ef\u4ee5\u6839\u636e\u9879\u76ee\u7684\u4f7f\u7528\u8981\u6c42\u548c\u4e1a\u52a1\u7279\u5f81\u5bf9Kafka\u6570\u636e\u7684\u751f\u4ea7\u548c\u6d88\u8d39\u8fdb\u884c\u76d1\u63a7，\u518d\u590d\u6742\u4e00\u70b9\u8fd8\u53ef\u4ee5\u81ea\u5df1\u5f00\u53d1\u72ec\u7acb\u7684Kafka\u76d1\u63a7\u7f51\u9875\u3002<\/p>\n

\u4ee5\u4e0b\u662f\u901a\u8fc7C#\u4ee3\u7801\u76d1\u63a7KafkaTopic\u3001\u8282\u70b9\u3001\u5806\u79ef\u91cf\u3001\u504f\u79fb\u91cf\u7b49\u7684\u7b80\u5355\u5e94\u7528：<\/p>\n

[Description("Kafka\u6d88\u8d39\u76d1\u89c6")]
\n[HttpPost]
\npublic void KafkaConsumeMonitorss()
\n{
\n \/\/ Kafka \u670d\u52a1\u5668\u7684\u5730\u5740
\n string bootstrapServers = "IP:port";<\/p>\n

\/\/ \u914d\u7f6e AdminClient（\u7528\u4e8e\u67e5\u8be2\u5143\u6570\u636e）
\n var config = new AdminClientConfig
\n {
\n BootstrapServers = bootstrapServers
\n };<\/p>\n

\/\/ \u521b\u5efa AdminClient \u5b9e\u4f8b
\n using (var adminClient = new AdminClientBuilder(config).Build())
\n {
\n try
\n {
\n \/\/ \u83b7\u53d6 Kafka \u96c6\u7fa4\u7684\u5143\u6570\u636e（\u6240\u6709\u4e3b\u9898\u548c\u5206\u533a\u4fe1\u606f）
\n var metadata = adminClient.GetMetadata(TimeSpan.FromSeconds(10));<\/p>\n

Console.WriteLine($"Kafka \u96c6\u7fa4\u5305\u542b {metadata.Topics.Count} \u4e2a\u4e3b\u9898：");<\/p>\n

\/\/ \u904d\u5386\u6240\u6709\u4e3b\u9898
\n foreach (var topicMetadata in metadata.Topics)
\n {
\n string topic = topicMetadata.Topic;
\n Console.WriteLine($"\\\\n\u4e3b\u9898: {topic}");<\/p>\n

\/\/ \u904d\u5386\u4e3b\u9898\u7684\u6240\u6709\u5206\u533a
\n foreach (var partitionMetadata in topicMetadata.Partitions)
\n {
\n var partition = partitionMetadata.PartitionId;<\/p>\n

\/\/ \u83b7\u53d6\u5206\u533a\u7684\u6700\u65b0\u504f\u79fb\u91cf（log end offset）
\n using (var consumer = new ConsumerBuilder<Ignore, string>(new ConsumerConfig
\n {
\n BootstrapServers = bootstrapServers,
\n GroupId = "test-consumer-group", \/\/ \u6d88\u8d39\u8005\u7ec4\u540d\u79f0
\n AutoOffsetReset = AutoOffsetReset.Earliest
\n }).Build())
\n {
\n var highwaterMark = consumer.QueryWatermarkOffsets(new TopicPartition(topic, partition), TimeSpan.FromSeconds(5));
\n var logEndOffset = highwaterMark.High;<\/p>\n

\/\/ \u83b7\u53d6\u6d88\u8d39\u8005\u7684\u5f53\u524d\u504f\u79fb\u91cf（consumer offset）
\n var consumerOffsets = consumer.Committed(new List<TopicPartition> { new TopicPartition(topic, partition) }, TimeSpan.FromSeconds(5));
\n var consumerOffset = consumerOffsets[0]?.Offset ?? Offset.Unset.Value;<\/p>\n

\/\/ \u5982\u679c\u6ca1\u6709\u6d88\u8d39\u8fc7，\u8bbe\u7f6e consumerOffset \u4e3a 0
\n if (consumerOffset < 0)
\n {
\n consumerOffset = 0;
\n }<\/p>\n

\/\/ \u8ba1\u7b97\u5806\u79ef\u6570\u91cf
\n var backlog = logEndOffset – consumerOffset;<\/p>\n

Console.WriteLine($" \u5206\u533a {partition}:");
\n Console.WriteLine($" Log End Offset: {logEndOffset}");
\n Console.WriteLine($" Consumer Offset: {consumerOffset}");
\n Console.WriteLine($" Message Backlog: {backlog}");
\n }
\n }
\n }
\n }
\n catch (Exception ex)
\n {
\n Console.WriteLine($"\u53d1\u751f\u9519\u8bef: {ex.Message}");
\n }
\n }
\n} <\/p>\n

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