MessagePack 输出数据格式

msgpack 输出数据格式（序列化器）将 Telegraf 指标格式转换为 MessagePack。MessagePack 是一种高效的二进制序列化格式，允许您在像 JSON 这样的多种语言之间交换数据。

配置

[[outputs.file]]
  ## Files to write to, "stdout" is a specially handled file.
  files = ["stdout", "/tmp/metrics.out"]

  ## Data format to output.
  ## Each data format has its own unique set of configuration options, read
  ## more about them here:
  ## https://github.com/influxdata/telegraf/blob/master/docs/DATA_FORMATS_OUTPUT.md
  data_format = "msgpack"

示例输出

此格式的输出是指标的 MessagePack 二进制表示，其结构与下面的 JSON 完全相同

{
   "name":"cpu",
   "time": <TIMESTAMP>, // https://github.com/msgpack/msgpack/blob/master/spec.md#timestamp-extension-type
   "tags":{
      "tag_1":"host01",
      ...
   },
   "fields":{
      "field_1":30,
      "field_2":true,
      "field_3":"field_value"
      "field_4":30.1
      ...
   }
}