in_tcpInput plugin enables Fluentd to accept TCP payload.
Don't use this plugin for receiving logs from client libraries. Use
in_forwardfor such cases.
in_tcpis included in Fluentd's core. No additional installation process is required.
tag tcp.events # required
format /^(?<field1>\d+):(?<field2>\w+)$/ # required
port 20001 # optional. 5170 by default
bind 0.0.0.0 # optional. 0.0.0.0 by default
delimiter \n # optional. \n (newline) by default
We\'ve observed the drastic performance improvements on Linux, with proper kernel parameter settings. If you have high-volume TCP traffic, please make sure to follow the instruction described at Before Installing Fluentd.
The value must be
tag of output events.
The port to listen to. Default Value = 5170
The bind address to listen to. Default Value = 0.0.0.0
The payload is read up to this character. By default, it is "\n".
The field name of the client's hostname. If set the value, the client's hostname will be set to its key. The default is nil (no adding hostname).
If you set following configuration:
then the client's hostname is set to
The format of the TCP payload. Here is the example by regular expression.
If you execute following command:
$ echo '123456:awesome' | netcat 0.0.0.0 5170
then got parsed result like below:
log_leveloption allows the user to set different levels of logging for each plugin. The supported log levels are:
If this article is incorrect or outdated, or omits critical information, please let us know. Fluentd is a open source project under Cloud Native Computing Foundation (CNCF). All components are available under the Apache 2 License.