Scala
This article explains how to use it.
- Basic knowledge of Scala and sbt
- Basic knowledge of Fluentd
- Scala 2.11.0 or later
- sbt 0.12.0 or later
Please refer to the following documents to install fluentd:
<source>
@type forward
port 24224
</source>
<match fluentd.test.**>
@type stdout
</match>
Restart agent after configuring.
# for rpm/deb only
$ sudo /etc/init.d/td-agent restart
# or systemd
$ sudo systemctl restart td-agent.service
Add the following lines to
build.sbt
:resolvers += "Apache Maven Central Repository" at "http://repo.maven.apache.org/maven2/"
libraryDependencies += "org.fluentd" %% "fluent-logger-scala" % "(version)"
or
resolvers += "Sonatype Repository" at "http://oss.sonatype.org/content/repositories/releases"
libraryDependencies += "org.fluentd" %% "fluent-logger-scala" % "(version)"
Create an app with the following code:
import org.fluentd.logger.scala.FluentLoggerFactory
import scala.collection.mutable.HashMap
object Sample {
val LOG = FluentLoggerFactory.getLogger("fluentd.test")
def main(args: Array[String]): Unit = {
...
val data = new HashMap[String, String]();
data.put("from", "userA");
data.put("to", "userB");
LOG.log("follow", data);
...
}
}
Executing the script will send the logs to Fluentd:
$ sbt
> run
The logs should be output to
/var/log/td-agent/td-agent.log
or the standard output of the Fluentd process via the stdout
output plugin.- List of Plugin References
For high-traffic websites (more than 5 application nodes), we recommend using the high-availability configuration for
td-agent
. This will improve the reliability of data transfer and query performance.Monitoring Fluentd itself is also important. The article below describes the general monitoring methods for
td-agent
.If this article is incorrect or outdated, or omits critical information, please let us know. Fluentd is an open-source project under Cloud Native Computing Foundation (CNCF). All components are available under the Apache 2 License.
Last modified 2yr ago