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NetStat

Netstat 指标采集，包括 TCP/UDP 连接数、等待连接、等待处理请求等。

前置条件

暂无

配置

进入 DataKit 安装目录下的 conf.d/host 目录，复制 netstat.conf.sample 并命名为 netstat.conf。示例如下：

[[inputs.netstat]]
  ##(optional) collect interval, default is 10 seconds
  interval = '10s'

[inputs.netstat.tags]
  # some_tag = "some_value"
  # more_tag = "some_other_value"

配置好后，重启 DataKit 即可。

Kubernetes 中支持以环境变量的方式修改配置参数：

环境变量名 对应的配置参数项 参数示例
ENV_INPUT_NETSTAT_TAGS tags tag1=value1,tag2=value2 如果配置文件中有同名 tag，会覆盖它
ENV_INPUT_NETSTAT_INTERVAL interval 10s

指标集

以下所有数据采集，默认会追加名为 host 的全局 tag（tag 值为 DataKit 所在主机名），也可以在配置中通过 [inputs.netstat.tags] 指定其它标签：

 [inputs.netstat.tags]
  # some_tag = "some_value"
  # more_tag = "some_other_value"
  # ...

netstat

  • 标签
标签名 描述
host 主机名
  • 指标列表
指标 描述 数据类型 单位
tcp_close CLOSE : The number of TCP state be waiting for a connection termination request acknowledgement from remote TCP host. int count
tcp_close_wait CLOSE_WAIT : The number of TCP state be waiting for a connection termination request from local user. int count
tcp_closing CLOSING : The number of TCP state be waiting for a connection termination request acknowledgement from remote TCP host. int count
tcp_established ESTABLISHED : The number of TCP state be open connection, data received to be delivered to the user. int count
tcp_fin_wait1 FIN_WAIT1 : The number of TCP state be waiting for a connection termination request from remote TCP host or acknowledgment of connection termination request sent previously. int count
tcp_fin_wait2 FIN_WAIT2 : The number of TCP state be waiting for connection termination request from remote TCP host. int count
tcp_last_ack LAST_ACK : The number of TCP state be waiting for connection termination request acknowledgement previously sent to remote TCP host including its acknowledgement of connection termination request. int count
tcp_listen LISTEN : The number of TCP state be waiting for a connection request from any remote TCP host. int count
tcp_none NONE int count
tcp_syn_recv SYN_RECV : The number of TCP state be waiting for confirmation of connection acknowledgement after both sender and receiver has sent / received connection request. int count
tcp_syn_sent SYN_SENT : The number of TCP state be waiting for a machine connection request after sending a connecting request. int count
tcp_time_wait TIME_WAIT : The number of TCP state be waiting sufficient time to pass to ensure remote TCP host received acknowledgement of its request for connection termination. int count
udp_socket UDP : The number of UDP connection. int count