Monitoring
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This article desribes how to monitor Fluentd.
Fluentd can expose internal metrics via REST API, and works with monitoring tools such as , , etc. Our recommendation is to use Prometheus, since we will be collaborating more in the future under the .
Two ruby processes (parent and child) are executed. Please make sure that these processes are running. The example for td-agent is shown below.
For td-agent on Linux, you can check the process statuses with the following command. Two processes should be shown if there are no issues.
Fluentd opens several ports according to the configuration file. We recommend checking the availability of these ports. The default port settings are shown below:
TCP 0.0.0.0 9880 (HTTP by default)
TCP 0.0.0.0 24224 (Forward by default)
A debug port for local communication is recommended for trouble shooting. Please note that the configuration below will be required.
You can attach the process using the fluent-debug command through dRuby.
If this article is incorrect or outdated, or omits critical information, please . is a open source project under . All components are available under the Apache 2 License.