kafka消息超过一定大小会报错如下:

The message is 2044510 bytes when serialized which is larger than the maximum request size you have configured with the max.request.size configuration.

配置以下配置设置最大上传大小解决:
  kafka:
    bootstrap-servers: xxx
    #生产者
    producer:
      # key/value的序列化
      key-serializer: org.apache.kafka.common.serialization.StringSerializer
      value-serializer: org.apache.kafka.common.serialization.StringSerializer
      # 消息投递失败，重试次数
      retries: 1
      #最大发送数量
      batch-size: 20000
      #32MB的批处理缓冲区
      buffer-memory: 33554432
      properties:
        max:
          request:
            size: 20971520

kafka消息超过一定大小kafka服务器接收端会报错如下

RecordTooLargeException: The request included a message larger than the max message size the server will accept.

kakfa配置

1.server.properties中添加

message.max.bytes=5242880
#每个分区试图获取的消息字节数。要大于等于message.max.bytes
replica.fetch.max.bytes=6291456
#原有的socket.send.buffer.bytes,socket.receive.buffer.bytes,socket.request.max.bytes也要改成和message.max.bytes一样的大小

2.producer.properties中添加

#请求的最大大小为字节。要小于 message.max.bytes
max.request.size = 5242880

3.consumer.properties中添加

#每个提取请求中为每个主题分区提取的消息字节数。要大于等于message.max.bytes
fetch.message.max.bytes=6291456

4.重启kakfa

#关闭kakfa
sh kafka-server-stop.sh
#启动 kakfa
nohup sh kafka-server-start.sh ../config/server.properties &

资料查询:
spring-kafka 设置发送消息的大小