'commit'

src/main/java/UnitTest/KafkaProductorTest.java

@@ -49,7 +49,7 @@ public class KafkaProductorTest {
     public static void main(String[] args) throws Exception {
         Producer<String, String> producer = new KafkaProducer<>(initConfig());
 
-        for (int i = 1; i <= 10; i++) {
+        for (int i = 1; i <= 1000; i++) {
             //指定发送分区
             String TOPIC_NAME = "test";
             ProducerRecord<String, String> producerRecord = new ProducerRecord<>(TOPIC_NAME

src/main/java/UnitTest/kafkaConsumerTest.java

@@ -32,10 +32,10 @@ public class kafkaConsumerTest {
         earliest：第一次从头开始消费，以后按照消费offset记录继续消费，这个需要区别于consumer.seekToBeginning(每次都从头开始消费)
         */
         //props.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest");
-		/*
-		consumer给broker发送心跳的间隔时间，broker接收到心跳如果此时有rebalance发生会通过心跳响应将
-		rebalance方案下发给consumer，这个时间可以稍微短一点
-		*/
+        /*
+        consumer给broker发送心跳的间隔时间，broker接收到心跳如果此时有rebalance发生会通过心跳响应将
+        rebalance方案下发给consumer，这个时间可以稍微短一点
+        */
         props.put(ConsumerConfig.HEARTBEAT_INTERVAL_MS_CONFIG, 1000);
         /*
         服务端broker多久感知不到一个consumer心跳就认为他故障了，会将其踢出消费组，
@@ -78,9 +78,21 @@ public class kafkaConsumerTest {
         //从指定时间点开始消费
         List<PartitionInfo> topicPartitions = consumer.partitionsFor(TOPIC_NAME);
 
-        /*
+
         //从1小时前开始消费
-        long fetchDataTime = new Date().getTime() - 1000 * 60 * 60;
+//        long fetchDataTime = new Date().getTime() - 1000 * 60 * 60;
+
+        //从某个时间点获取之后的数据
+        String dateString = "2023-05-10 08:38:00";
+        SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+        Date startDate = null;
+        try {
+            startDate = dateFormat.parse(dateString);
+        } catch (ParseException e) {
+            e.printStackTrace();
+        }
+
+        long fetchDataTime = startDate.getTime();
         Map<TopicPartition, Long> map = new HashMap<>();
         for (PartitionInfo par : topicPartitions) {
             map.put(new TopicPartition(TOPIC_NAME, par.partition()), fetchDataTime);
@@ -99,7 +111,7 @@ public class kafkaConsumerTest {
                 consumer.seek(key, offset);
             }
         }
-        */
+
 
         while (true) {
             /*
@@ -107,8 +119,8 @@ public class kafkaConsumerTest {
              */
             ConsumerRecords<String, String> records = consumer.poll(Duration.ofMillis(1000));
             for (ConsumerRecord<String, String> record : records) {
-                System.out.printf("收到消息：partition = %d,offset = %d, key = %s, value = %s%n", record.partition(),
-                        record.offset(), record.key(), record.value());
+                System.out.printf("收到消息：partition = %d,offset = %d, key = %s, value = %s ,timestamp = %d%n", record.partition(),
+                        record.offset(), record.key(), record.value(), record.timestamp());
             }
 
             if (records.count() > 0) {