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The add_network_direction processor creates field names that contain dots. By default it will create a document that contains

What is does:

{
  "network.direction": "outbound"
}

What is SHOULD do:

{
  "network": {
    "direction": "outbound"
  }
}

The problem is this line that directly uses the target key without considering that it could contain dots

这里的路由和server通信是否可以用一个长连接来维护更好