Questo contenuto non è disponibile nella lingua selezionata.

8.15. Sampling


Sampling Throttler

A sampling throttler allows you to extract a sample of exchanges from the traffic through a route. It is configured with a sampling period during which only a single exchange is allowed to pass through. All other exchanges will be stopped.
By default, the sample period is 1 second.

Java DSL example

Use the sample() DSL command to invoke the sampler as follows:
// Sample with default sampling period (1 second)
from("direct:sample")
    .sample()
    .to("mock:result");

// Sample with explicitly specified sample period
from("direct:sample-configured")
    .sample(1, TimeUnit.SECONDS)
    .to("mock:result");

// Alternative syntax for specifying sampling period
from("direct:sample-configured-via-dsl")
    .sample().samplePeriod(1).timeUnits(TimeUnit.SECONDS)
    .to("mock:result");

from("direct:sample-messageFrequency")
    .sample(10)
    .to("mock:result");

from("direct:sample-messageFrequency-via-dsl")
    .sample().sampleMessageFrequency(5)
    .to("mock:result");

Spring XML example

In Spring XML, use the sample element to invoke the sampler, where you have the option of specifying the sampling period using the samplePeriod and units attributes:
<route>
    <from uri="direct:sample"/>
    <sample samplePeriod="1" units="seconds">
        <to uri="mock:result"/>
    </sample>
</route>
<route>
    <from uri="direct:sample-messageFrequency"/>
    <sample messageFrequency="10">
        <to uri="mock:result"/>
    </sample>
</route>
<route>
    <from uri="direct:sample-messageFrequency-via-dsl"/>
    <sample messageFrequency="5">
        <to uri="mock:result"/>
    </sample>
</route>

Options

The sample DSL command supports the following options:
Expand
Name Default Value Description
messageFrequency Samples the message every N'th message. You can only use either frequency or period.
samplePeriod 1 Samples the message every N'th period. You can only use either frequency or period.
units SECOND Time unit as an enum of java.util.concurrent.TimeUnit from the JDK.
Red Hat logoGithubredditYoutubeTwitter

Formazione

Prova, acquista e vendi

Community

Informazioni su Red Hat

Forniamo soluzioni consolidate che rendono più semplice per le aziende lavorare su piattaforme e ambienti diversi, dal datacenter centrale all'edge della rete.

Rendiamo l’open source più inclusivo

Red Hat si impegna a sostituire il linguaggio problematico nel codice, nella documentazione e nelle proprietà web. Per maggiori dettagli, visita il Blog di Red Hat.

Informazioni sulla documentazione di Red Hat

Legal Notice

Theme

© 2026 Red Hat
Torna in cima