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8.15. Sampling
Sampling Throttler 링크 복사링크가 클립보드에 복사되었습니다!
링크 복사링크가 클립보드에 복사되었습니다!
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 링크 복사링크가 클립보드에 복사되었습니다!
링크 복사링크가 클립보드에 복사되었습니다!
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 링크 복사링크가 클립보드에 복사되었습니다!
링크 복사링크가 클립보드에 복사되었습니다!
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 링크 복사링크가 클립보드에 복사되었습니다!
링크 복사링크가 클립보드에 복사되었습니다!
The
sample DSL command supports the following options:
| 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.
|