Metrics and Stuff

app.java

import com.google.common.collect.ImmutableMap;
import com.github.sps.metrics.OpenTsdbReporter;
import com.github.sps.metrics.opentsdb.OpenTsdbTelnet;
import com.turn.metrics.system.OperatingSystemMetricSet;
import com.turn.metrics.system.FileSystemMetricSet;
import com.turn.metrics.system.RuntimeMetricSet;
import static java.util.concurrent.TimeUnit.*;

static final MetricRegistry metrics = new MetricRegistry();

metrics.registerAll(new OperatingSystemMetricSet());
metrics.registerAll(new FileSystemMetricSet());
metrics.registerAll(new RuntimeMetricSet());

OpenTsdbReporter.forRegistry(metrics)
  .prefixedWith("app_name")
  .withTags(ImmutableMap.of("other", "tags"))
  .build(OpenTsdbTelnet.forService("localhost", 4242)
  .create()).start(15, SECONDS);


private final Timer responses = metrics.timer(name(RequestHandler.class, "responses"));
final Timer.Context context = responses.time();
    try {
        // etc;
        return "OK";
    } finally {
        context.stop();
    }
private final Counter pendingJobs = metrics.counter(name(QueueManager.class, "pending-jobs"));
pendingJobs.inc();

metrics.register(MetricRegistry.name(QueueManager.class, name, "size"),
                         new Gauge<Integer>() {
                             @Override
                             public Integer getValue() {
                                 return queue.size();
                             }
                         });

pom.xml

<pom>
 <repositories>
        <repository>
            <id>jitpack.io</id>
            <url>https://jitpack.io</url>
        </repository>
    </repositories>
    <dependencies>
        <dependency>
            <groupId>io.dropwizard</groupId>
            <artifactId>dropwizard-core</artifactId>
            <version>${dropwizard.version}</version>
        </dependency>
        <dependency>
            <groupId>io.dropwizard.metrics</groupId>
            <artifactId>metrics-core</artifactId>
            <version>${metrics.version}</version>
        </dependency>
        <dependency>
            <groupId>com.github.inst-tech</groupId>
            <artifactId>metrics-opentsdb</artifactId>
            <version>1.0.6</version>
        </dependency>
        <dependency>
            <groupId>com.github.inst-tech</groupId>
            <artifactId>metrics-system</artifactId>
            <version>1.1.0</version>
        </dependency>
    </dependencies>
    </pom>