如何在融合控制中心配置Datagen连接器

时间:2020-08-05 12:41:23

标签: apache-kafka apache-kafka-connect confluent-platform

我想知道在融合中心使用数据生成连接器的过程,以便为测试主题生成随机数据。

我尝试使用某些设置连接数据源连接器,但始终失败。

更新:我尝试连接自己在主题中创建的架构,但未将其选中,并且数据生成连接器无法启动。

这是datagen connect的配置:

{
  "value.converter.schema.registry.url": "http://localhost:8081",
  "value.converter.schemas.enable": "false",
  "name": "datagen-protobuf-userprofile",
  "connector.class": "io.confluent.kafka.connect.datagen.DatagenConnector",
  "tasks.max": "1",
  "key.converter": "org.apache.kafka.connect.storage.StringConverter",
  "value.converter": "io.confluent.connect.protobuf.ProtobufConverter",
  "transforms": [
    "SetSchemaMetadata"
  ],
  "transforms.SetSchemaMetadata.type": "org.apache.kafka.connect.transforms.SetSchemaMetadata$Value",
  "transforms.SetSchemaMetadata.schema.name": "value_User_PROFILE",
  "kafka.topic": "User_PROFILE",
  "max.interval": "1000",
  "iterations": "10000000",
  "schema.filename": "value_User_PROFILE",
  "schema.keyfield": "userid",
  "quickstart": "value_User_PROFILE"
}

新主题中定义的架构:

{
  "doc": "Sample schema to help you get started.",
  "fields": [
    {
      "doc": "The int type is a 32-bit signed integer.",
      "name": "userid",
      "type": "int"
    },
    {
      "doc": "The string is a unicode character sequence.",
      "name": "firstname",
      "type": "string"
    },
    {
      "doc": "The string is a unicode character sequence.",
      "name": "lastname",
      "type": "string"
    },
    {
      "doc": "The string is a unicode character sequence.",
      "name": "countrycode",
      "type": "string"
    },
    {
      "doc": "this si double which store floting value as well",
      "name": "rating",
      "type": "double"
    }
  ],
  "name": "value_User_PROFILE",
  "namespace": "com.mycorp.mynamespace",
  "type": "record"
}

1 个答案:

答案 0 :(得分:0)

您可以尝试以下步骤:

  1. 将datagen连接器目录放置在配置的插件路径中-如果是分布式工作程序,则需要对所有工作程序执行此操作
  2. 重新启动所有工作人员
  3. 连接器应出现在控制中心的连接器列表页面上(按connect-ip:8083/connector-plugins以确认连接器是否正确装入)
  4. 填写连接器属性-您可以参考以下存储库以获取示例配置值:https://github.com/confluentinc/kafka-connect-datagen/tree/master/config(也可以将属性文件上载到控制中心)
  5. 测试并继续,稍后再启动连接器