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Code Issues Actions 12 Packages Projects Releases Wiki Activity

Polish "Allow configuration of auto-timed metrics" 

Closes gh-15988
This commit is contained in:
Stephane Nicoll 2019-05-01 08:16:54 +02:00
parent 4df6f5dee0
commit 8045bf1f50
26 changed files with 305 additions and 224 deletions
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94
spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/MetricsProperties.java
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@ -16,13 +16,13 @@
package org.springframework.boot.actuate.autoconfigure.metrics;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import org.springframework.boot.actuate.metrics.Autotime;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.context.properties.DeprecatedConfigurationProperty;
import org.springframework.boot.context.properties.NestedConfigurationProperty;
/**
* {@link ConfigurationProperties @ConfigurationProperties} for configuring
@ -107,8 +107,12 @@ public class MetricsProperties {
*/
private int maxUriTags = 100;
public ClientRequest getRequest() {
return this.request;
}
/**
* Get name of the metric for received requests.
* Return the name of the metric for client requests.
* @return request metric name
* @deprecated since 2.2.0 in favor of {@link ClientRequest#getMetricName()}
*/
@ -119,7 +123,7 @@ public class MetricsProperties {
}
/**
* Set name of the metric for received requests.
* Set the name of the metric for client requests.
* @param requestsMetricName request metric name
* @deprecated since 2.2.0 in favor of
* {@link ClientRequest#setMetricName(String)}
@ -128,10 +132,6 @@ public class MetricsProperties {
this.request.setMetricName(requestsMetricName);
}
public ClientRequest getRequest() {
return this.request;
}
public int getMaxUriTags() {
return this.maxUriTags;
}
@ -148,11 +148,12 @@ public class MetricsProperties {
private String metricName = "http.client.requests";
/**
* Automatically time requests.
* Auto-timed request settings.
*/
private final AutoTime autoTime = new AutoTime();
@NestedConfigurationProperty
private final Autotime autoTime = new Autotime();
public AutoTime getAutoTime() {
public Autotime getAutotime() {
return this.autoTime;
}
@ -179,8 +180,12 @@ public class MetricsProperties {
*/
private int maxUriTags = 100;
public ServerRequest getRequest() {
return this.request;
}
/**
* Get name of the metric for received requests.
* Return name of the metric for server requests.
* @return request metric name
* @deprecated since 2.2.0 in favor of {@link ServerRequest#getMetricName()}
*/
@ -191,7 +196,7 @@ public class MetricsProperties {
}
/**
* Set name of the metric for received requests.
* Set the name of the metric for server requests.
* @param requestsMetricName request metric name
* @deprecated since 2.2.0 in favor of
* {@link ServerRequest#setMetricName(String)}
@ -200,10 +205,6 @@ public class MetricsProperties {
this.request.setMetricName(requestsMetricName);
}
public ServerRequest getRequest() {
return this.request;
}
public int getMaxUriTags() {
return this.maxUriTags;
}
@ -220,12 +221,13 @@ public class MetricsProperties {
private String metricName = "http.server.requests";
/**
* Automatically time requests.
* Auto-timed request settings.
*/
private final AutoTime autoTime = new AutoTime();
@NestedConfigurationProperty
private final Autotime autotime = new Autotime();
public AutoTime getAutoTime() {
return this.autoTime;
public Autotime getAutotime() {
return this.autotime;
}
public String getMetricName() {
@ -240,56 +242,6 @@ public class MetricsProperties {
}
public static class AutoTime {
/**
* Whether requests handled by Spring MVC, WebFlux or Jersey should be
* automatically timed. If the number of time series emitted grows too large
* on account of request mapping timings, disable this and use 'Timed' on a
* per request mapping basis as needed.
*/
private boolean enabled = true;
/**
* Default percentiles when @Timed annotation is not presented on the
* corresponding request handler. Any @Timed annotation presented will have
* precedence.
*/
private List<Double> defaultPercentiles = new ArrayList<>();
/**
* Default histogram when @Timed annotation is not presented on the
* corresponding request handler. Any @Timed annotation presented will have
* precedence.
*/
private boolean defaultHistogram;
public boolean isEnabled() {
return this.enabled;
}
public void setEnabled(boolean enabled) {
this.enabled = enabled;
}
public List<Double> getDefaultPercentiles() {
return this.defaultPercentiles;
}
public void setDefaultPercentiles(List<Double> defaultPercentiles) {
this.defaultPercentiles = defaultPercentiles;
}
public boolean isDefaultHistogram() {
return this.defaultHistogram;
}
public void setDefaultHistogram(boolean defaultHistogram) {
this.defaultHistogram = defaultHistogram;
}
}
}
public static class Distribution {

2
spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/jersey/JerseyServerMetricsAutoConfiguration.java
View File

@ -80,7 +80,7 @@ public class JerseyServerMetricsAutoConfiguration {
Server server = this.properties.getWeb().getServer();
return (config) -> config.register(new MetricsApplicationEventListener(
meterRegistry, tagsProvider, server.getRequest().getMetricName(),
server.getRequest().getAutoTime().isEnabled(),
server.getRequest().getAutotime().isEnabled(),
new AnnotationUtilsAnnotationFinder()));
}

12
spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/web/client/RestTemplateMetricsConfiguration.java
View File

@ -19,8 +19,7 @@ package org.springframework.boot.actuate.autoconfigure.metrics.web.client;
import io.micrometer.core.instrument.MeterRegistry;
import org.springframework.boot.actuate.autoconfigure.metrics.MetricsProperties;
import org.springframework.boot.actuate.autoconfigure.metrics.MetricsProperties.Web.AutoTime;
import org.springframework.boot.actuate.autoconfigure.metrics.MetricsProperties.Web.Client;
import org.springframework.boot.actuate.autoconfigure.metrics.MetricsProperties.Web.Client.ClientRequest;
import org.springframework.boot.actuate.metrics.web.client.DefaultRestTemplateExchangeTagsProvider;
import org.springframework.boot.actuate.metrics.web.client.MetricsRestTemplateCustomizer;
import org.springframework.boot.actuate.metrics.web.client.RestTemplateExchangeTagsProvider;
@ -55,13 +54,10 @@ class RestTemplateMetricsConfiguration {
MeterRegistry meterRegistry,
RestTemplateExchangeTagsProvider restTemplateExchangeTagsProvider,
MetricsProperties properties) {
Client client = properties.getWeb().getClient();
AutoTime autoTime = client.getRequest().getAutoTime();
ClientRequest request = properties.getWeb().getClient().getRequest();
return new MetricsRestTemplateCustomizer(meterRegistry,
restTemplateExchangeTagsProvider, client.getRequest().getMetricName(),
autoTime.isEnabled(), autoTime.getDefaultPercentiles(),
autoTime.isDefaultHistogram());
restTemplateExchangeTagsProvider, request.getMetricName(),
request.getAutotime());
}
}

4
spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/web/client/WebClientMetricsConfiguration.java
View File

@ -19,6 +19,7 @@ package org.springframework.boot.actuate.autoconfigure.metrics.web.client;
import io.micrometer.core.instrument.MeterRegistry;
import org.springframework.boot.actuate.autoconfigure.metrics.MetricsProperties;
import org.springframework.boot.actuate.autoconfigure.metrics.MetricsProperties.Web.Client.ClientRequest;
import org.springframework.boot.actuate.metrics.web.reactive.client.DefaultWebClientExchangeTagsProvider;
import org.springframework.boot.actuate.metrics.web.reactive.client.MetricsWebClientCustomizer;
import org.springframework.boot.actuate.metrics.web.reactive.client.WebClientExchangeTagsProvider;
@ -48,8 +49,9 @@ class WebClientMetricsConfiguration {
public MetricsWebClientCustomizer metricsWebClientCustomizer(
MeterRegistry meterRegistry, WebClientExchangeTagsProvider tagsProvider,
MetricsProperties properties) {
ClientRequest request = properties.getWeb().getClient().getRequest();
return new MetricsWebClientCustomizer(meterRegistry, tagsProvider,
properties.getWeb().getClient().getRequest().getMetricName());
request.getMetricName(), request.getAutotime());
}
}

11
spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/web/reactive/WebFluxMetricsAutoConfiguration.java
View File

@ -21,8 +21,7 @@ import io.micrometer.core.instrument.config.MeterFilter;
import org.springframework.boot.actuate.autoconfigure.metrics.MetricsAutoConfiguration;
import org.springframework.boot.actuate.autoconfigure.metrics.MetricsProperties;
import org.springframework.boot.actuate.autoconfigure.metrics.MetricsProperties.Web.AutoTime;
import org.springframework.boot.actuate.autoconfigure.metrics.MetricsProperties.Web.Server;
import org.springframework.boot.actuate.autoconfigure.metrics.MetricsProperties.Web.Server.ServerRequest;
import org.springframework.boot.actuate.autoconfigure.metrics.OnlyOnceLoggingDenyMeterFilter;
import org.springframework.boot.actuate.autoconfigure.metrics.export.simple.SimpleMetricsExportAutoConfiguration;
import org.springframework.boot.actuate.metrics.web.reactive.server.DefaultWebFluxTagsProvider;
@ -67,11 +66,9 @@ public class WebFluxMetricsAutoConfiguration {
@Bean
public MetricsWebFilter webfluxMetrics(MeterRegistry registry,
WebFluxTagsProvider tagConfigurer) {
Server serverProperties = this.properties.getWeb().getServer();
AutoTime autotime = serverProperties.getRequest().getAutoTime();
return new MetricsWebFilter(registry, tagConfigurer,
serverProperties.getRequest().getMetricName(), autotime.isEnabled(),
autotime.getDefaultPercentiles(), autotime.isDefaultHistogram());
ServerRequest request = this.properties.getWeb().getServer().getRequest();
return new MetricsWebFilter(registry, tagConfigurer, request.getMetricName(),
request.getAutotime());
}
@Bean

9
spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/web/servlet/WebMvcMetricsAutoConfiguration.java
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@ -23,8 +23,7 @@ import io.micrometer.core.instrument.config.MeterFilter;
import org.springframework.boot.actuate.autoconfigure.metrics.MetricsAutoConfiguration;
import org.springframework.boot.actuate.autoconfigure.metrics.MetricsProperties;
import org.springframework.boot.actuate.autoconfigure.metrics.MetricsProperties.Web.AutoTime;
import org.springframework.boot.actuate.autoconfigure.metrics.MetricsProperties.Web.Server;
import org.springframework.boot.actuate.autoconfigure.metrics.MetricsProperties.Web.Server.ServerRequest;
import org.springframework.boot.actuate.autoconfigure.metrics.OnlyOnceLoggingDenyMeterFilter;
import org.springframework.boot.actuate.autoconfigure.metrics.export.simple.SimpleMetricsExportAutoConfiguration;
import org.springframework.boot.actuate.metrics.web.servlet.DefaultWebMvcTagsProvider;
@ -79,11 +78,9 @@ public class WebMvcMetricsAutoConfiguration {
@Bean
public FilterRegistrationBean<WebMvcMetricsFilter> webMvcMetricsFilter(
MeterRegistry registry, WebMvcTagsProvider tagsProvider) {
Server serverProperties = this.properties.getWeb().getServer();
AutoTime autotime = serverProperties.getRequest().getAutoTime();
ServerRequest request = this.properties.getWeb().getServer().getRequest();
WebMvcMetricsFilter filter = new WebMvcMetricsFilter(registry, tagsProvider,
serverProperties.getRequest().getMetricName(), autotime.isEnabled(),
autotime.getDefaultPercentiles(), autotime.isDefaultHistogram());
request.getMetricName(), request.getAutotime());
FilterRegistrationBean<WebMvcMetricsFilter> registration = new FilterRegistrationBean<>(
filter);
registration.setOrder(Ordered.HIGHEST_PRECEDENCE + 1);

28
spring-boot-project/spring-boot-actuator-autoconfigure/src/main/resources/META-INF/additional-spring-configuration-metadata.json
View File

@ -253,6 +253,34 @@
"level": "error"
}
},
{
"name": "management.metrics.web.client.request.autotime.enabled",
"description": "Whether to automatically time web client requests.",
"defaultValue": true
},
{
"name": "management.metrics.web.client.request.autotime.percentiles",
"description": "Computed non-aggregable percentiles to publish."
},
{
"name": "management.metrics.web.client.request.autotime.percentiles-histogram",
"description": "Whether percentile histograms should be published.",
"defaultValue": false
},
{
"name": "management.metrics.web.server.request.autotime.enabled",
"description": "Whether to automatically time web server requests.",
"defaultValue": true
},
{
"name": "management.metrics.web.server.request.autotime.percentiles",
"description": "Computed non-aggregable percentiles to publish."
},
{
"name": "management.metrics.web.server.request.autotime.percentiles-histogram",
"description": "Whether percentile histograms should be published.",
"defaultValue": false
},
{
"name": "management.server.ssl.ciphers",
"description": "Supported SSL ciphers."

20
spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/metrics/web/client/RestTemplateMetricsConfigurationTests.java
View File

@ -17,6 +17,8 @@
package org.springframework.boot.actuate.autoconfigure.metrics.web.client;
import io.micrometer.core.instrument.MeterRegistry;
import io.micrometer.core.instrument.Timer;
import io.micrometer.core.instrument.distribution.HistogramSnapshot;
import org.junit.Rule;
import org.junit.Test;
@ -100,6 +102,24 @@ public class RestTemplateMetricsConfigurationTests {
});
}
@Test
public void autoTimeRequestsCanBeConfigured() {
this.contextRunner.withPropertyValues(
"management.metrics.web.client.request.autotime.enabled=true",
"management.metrics.web.client.request.autotime.percentiles=0.5,0.7",
"management.metrics.web.client.request.autotime.percentiles-histogram=true")
.run((context) -> {
MeterRegistry registry = getInitializedMeterRegistry(context);
Timer timer = registry.get("http.client.requests").timer();
HistogramSnapshot snapshot = timer.takeSnapshot();
assertThat(snapshot.percentileValues()).hasSize(2);
assertThat(snapshot.percentileValues()[0].percentile())
.isEqualTo(0.5);
assertThat(snapshot.percentileValues()[1].percentile())
.isEqualTo(0.7);
});
}
@Test
public void backsOffWhenRestTemplateBuilderIsMissing() {
new ApplicationContextRunner().with(MetricsRun.simple())

20
spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/metrics/web/client/WebClientMetricsConfigurationTests.java
View File

@ -19,6 +19,8 @@ package org.springframework.boot.actuate.autoconfigure.metrics.web.client;
import java.time.Duration;
import io.micrometer.core.instrument.MeterRegistry;
import io.micrometer.core.instrument.Timer;
import io.micrometer.core.instrument.distribution.HistogramSnapshot;
import org.junit.Rule;
import org.junit.Test;
import reactor.core.publisher.Mono;
@ -101,6 +103,24 @@ public class WebClientMetricsConfigurationTests {
});
}
@Test
public void autoTimeRequestsCanBeConfigured() {
this.contextRunner.withPropertyValues(
"management.metrics.web.client.request.autotime.enabled=true",
"management.metrics.web.client.request.autotime.percentiles=0.5,0.7",
"management.metrics.web.client.request.autotime.percentiles-histogram=true")
.run((context) -> {
MeterRegistry registry = getInitializedMeterRegistry(context);
Timer timer = registry.get("http.client.requests").timer();
HistogramSnapshot snapshot = timer.takeSnapshot();
assertThat(snapshot.percentileValues()).hasSize(2);
assertThat(snapshot.percentileValues()[0].percentile())
.isEqualTo(0.5);
assertThat(snapshot.percentileValues()[1].percentile())
.isEqualTo(0.7);
});
}
private MeterRegistry getInitializedMeterRegistry(
AssertableApplicationContext context) {
WebClient webClient = mockWebClient(context.getBean(WebClient.Builder.class));

2
spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/metrics/web/reactive/WebFluxMetricsAutoConfigurationTests.java
View File

@ -102,7 +102,7 @@ public class WebFluxMetricsAutoConfigurationTests {
.withConfiguration(AutoConfigurations.of(WebFluxAutoConfiguration.class))
.withUserConfiguration(TestController.class)
.withPropertyValues(
"management.metrics.web.server.request.auto-time.enabled=false")
"management.metrics.web.server.request.autotime.enabled=false")
.run((context) -> {
MeterRegistry registry = getInitializedMeterRegistry(context);
assertThat(registry.find("http.server.requests").meter()).isNull();

8
spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/metrics/web/servlet/WebMvcMetricsAutoConfigurationTests.java
View File

@ -141,14 +141,14 @@ public class WebMvcMetricsAutoConfigurationTests {
}
@Test
public void autoTimeRequestsDefaultValues() {
public void autoTimeRequestsCanBeConfigured() {
this.contextRunner.withUserConfiguration(TestController.class)
.withConfiguration(AutoConfigurations.of(MetricsAutoConfiguration.class,
WebMvcAutoConfiguration.class))
.withPropertyValues(
"management.metrics.web.server.request.auto-time.enabled=true",
"management.metrics.web.server.request.auto-time.default-percentiles=0.5,0.7",
"management.metrics.web.server.request.auto-time.default-histogram=true")
"management.metrics.web.server.request.autotime.enabled=true",
"management.metrics.web.server.request.autotime.percentiles=0.5,0.7",
"management.metrics.web.server.request.autotime.percentiles-histogram=true")
.run((context) -> {
MeterRegistry registry = getInitializedMeterRegistry(context);
Timer timer = registry.get("http.server.requests").timer();

89
spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/Autotime.java Normal file
View File

@ -0,0 +1,89 @@
/*
* Copyright 2012-2019 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.boot.actuate.metrics;
import java.util.List;
/**
* Settings for requests that are automatically timed.
*
* @author Tadaya Tsuyukubo
* @author Stephane Nicoll
* @since 2.2.0
*/
public final class Autotime {
private boolean enabled = true;
private boolean percentilesHistogram;
private double[] percentiles;
/**
* Create an instance that automatically time requests with no percentiles.
*/
public Autotime() {
}
/**
* Create an instance with the specified settings.
* @param enabled whether requests should be automatically timed
* @param percentilesHistogram whether percentile histograms should be published
* @param percentiles computed non-aggregable percentiles to publish (can be
* {@code null})
*/
public Autotime(boolean enabled, boolean percentilesHistogram,
List<Double> percentiles) {
this.enabled = enabled;
this.percentilesHistogram = percentilesHistogram;
this.percentiles = (percentiles != null)
? percentiles.stream().mapToDouble(Double::doubleValue).toArray() : null;
}
/**
* Create an instance that disable auto-timed requests.
* @return an instance that disable auto-timed requests
*/
public static Autotime disabled() {
return new Autotime(false, false, null);
}
public boolean isEnabled() {
return this.enabled;
}
public void setEnabled(boolean enabled) {
this.enabled = enabled;
}
public boolean isPercentilesHistogram() {
return this.percentilesHistogram;
}
public void setPercentilesHistogram(boolean percentilesHistogram) {
this.percentilesHistogram = percentilesHistogram;
}
public double[] getPercentiles() {
return this.percentiles;
}
public void setPercentiles(double[] percentiles) {
this.percentiles = percentiles;
}
}

36
spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/web/client/MetricsClientHttpRequestInterceptor.java
View File

@ -1,5 +1,5 @@
/*
* Copyright 2012-2018 the original author or authors.
* Copyright 2012-2019 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -18,13 +18,13 @@ package org.springframework.boot.actuate.metrics.web.client;
import java.io.IOException;
import java.net.URI;
import java.util.List;
import java.util.Map;
import java.util.concurrent.TimeUnit;
import io.micrometer.core.instrument.MeterRegistry;
import io.micrometer.core.instrument.Timer;
import org.springframework.boot.actuate.metrics.Autotime;
import org.springframework.core.NamedThreadLocal;
import org.springframework.http.HttpRequest;
import org.springframework.http.client.ClientHttpRequestExecution;
@ -51,11 +51,7 @@ class MetricsClientHttpRequestInterceptor implements ClientHttpRequestIntercepto
private final String metricName;
private final boolean autoTimeRequests;
private final double[] percentiles;
private final boolean histogram;
private final Autotime autotime;
/**
* Create a new {@code MetricsClientHttpRequestInterceptor}.
@ -63,11 +59,11 @@ class MetricsClientHttpRequestInterceptor implements ClientHttpRequestIntercepto
* @param tagProvider provider for metrics tags
* @param metricName name of the metric to record
* @deprecated since 2.2.0 in favor of
* {@link #MetricsClientHttpRequestInterceptor(MeterRegistry, RestTemplateExchangeTagsProvider, String, boolean, List, boolean)}
* {@link #MetricsClientHttpRequestInterceptor(MeterRegistry, RestTemplateExchangeTagsProvider, String, Autotime)}
*/
MetricsClientHttpRequestInterceptor(MeterRegistry meterRegistry,
RestTemplateExchangeTagsProvider tagProvider, String metricName) {
this(meterRegistry, tagProvider, metricName, true, null, false);
this(meterRegistry, tagProvider, metricName, new Autotime());
}
/**
@ -75,25 +71,16 @@ class MetricsClientHttpRequestInterceptor implements ClientHttpRequestIntercepto
* @param meterRegistry the registry to which metrics are recorded
* @param tagProvider provider for metrics tags
* @param metricName name of the metric to record
* @param autoTimeRequests if requests should be automatically timed
* @param percentileList percentiles for auto time requests
* @param histogram histogram or not for auto time requests
* @param autotime auto timed request settings
* @since 2.2.0
*/
MetricsClientHttpRequestInterceptor(MeterRegistry meterRegistry,
RestTemplateExchangeTagsProvider tagProvider, String metricName,
boolean autoTimeRequests, List<Double> percentileList, boolean histogram) {
double[] percentiles = (percentileList != null)
? percentileList.stream().mapToDouble(Double::doubleValue).toArray()
: null;
Autotime autotime) {
this.tagProvider = tagProvider;
this.meterRegistry = meterRegistry;
this.metricName = metricName;
this.autoTimeRequests = autoTimeRequests;
this.percentiles = percentiles;
this.histogram = histogram;
this.autotime = (autotime != null) ? autotime : Autotime.disabled();
}
@Override
@ -106,7 +93,7 @@ class MetricsClientHttpRequestInterceptor implements ClientHttpRequestIntercepto
return response;
}
finally {
if (this.autoTimeRequests) {
if (this.autotime.isEnabled()) {
getTimeBuilder(request, response).register(this.meterRegistry)
.record(System.nanoTime() - startTime, TimeUnit.NANOSECONDS);
}
@ -134,8 +121,9 @@ class MetricsClientHttpRequestInterceptor implements ClientHttpRequestIntercepto
private Timer.Builder getTimeBuilder(HttpRequest request,
ClientHttpResponse response) {
return Timer.builder(this.metricName).publishPercentiles(this.percentiles)
.publishPercentileHistogram(this.histogram)
return Timer.builder(this.metricName)
.publishPercentiles(this.autotime.getPercentiles())
.publishPercentileHistogram(this.autotime.isPercentilesHistogram())
.tags(this.tagProvider.getTags(urlTemplate.get(), request, response))
.description("Timer of RestTemplate operation");
}

18
spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/web/client/MetricsRestTemplateCustomizer.java
View File

@ -1,5 +1,5 @@
/*
* Copyright 2012-2018 the original author or authors.
* Copyright 2012-2019 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -21,6 +21,7 @@ import java.util.List;
import io.micrometer.core.instrument.MeterRegistry;
import org.springframework.boot.actuate.metrics.Autotime;
import org.springframework.boot.web.client.RestTemplateCustomizer;
import org.springframework.http.client.ClientHttpRequestInterceptor;
import org.springframework.web.client.RestTemplate;
@ -46,32 +47,29 @@ public class MetricsRestTemplateCustomizer implements RestTemplateCustomizer {
* @param tagProvider the tag provider
* @param metricName the name of the recorded metric
* @deprecated since 2.2.0 in favor of
* {@link #MetricsRestTemplateCustomizer(MeterRegistry, RestTemplateExchangeTagsProvider, String, boolean, List, boolean)}
* {@link #MetricsRestTemplateCustomizer(MeterRegistry, RestTemplateExchangeTagsProvider, String, Autotime)}
*/
public MetricsRestTemplateCustomizer(MeterRegistry meterRegistry,
RestTemplateExchangeTagsProvider tagProvider, String metricName) {
this.interceptor = new MetricsClientHttpRequestInterceptor(meterRegistry,
tagProvider, metricName);
this(meterRegistry, tagProvider, metricName, new Autotime());
}
/**
* Creates a new {@code MetricsRestTemplateInterceptor}. When {@code autoTimeRequests}
* is set to {@code true}, the interceptor records metrics using the given
* {@code meterRegistry} with tags provided by the given {@code tagProvider} and with
* {@code percentileList} and {@code histogram} configurations.
* {@link Autotime auto-timed request configuration}.
* @param meterRegistry the meter registry
* @param tagProvider the tag provider
* @param metricName the name of the recorded metric
* @param autoTimeRequests if requests should be automatically timed
* @param percentileList percentiles for auto time requests
* @param histogram histogram or not for auto time requests
* @param autotime auto-timed request settings
* @since 2.2.0
*/
public MetricsRestTemplateCustomizer(MeterRegistry meterRegistry,
RestTemplateExchangeTagsProvider tagProvider, String metricName,
boolean autoTimeRequests, List<Double> percentileList, boolean histogram) {
Autotime autotime) {
this.interceptor = new MetricsClientHttpRequestInterceptor(meterRegistry,
tagProvider, metricName, autoTimeRequests, percentileList, histogram);
tagProvider, metricName, autotime);
}
@Override

22
spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/web/reactive/client/MetricsWebClientCustomizer.java
View File

@ -18,6 +18,7 @@ package org.springframework.boot.actuate.metrics.web.reactive.client;
import io.micrometer.core.instrument.MeterRegistry;
import org.springframework.boot.actuate.metrics.Autotime;
import org.springframework.boot.web.reactive.function.client.WebClientCustomizer;
import org.springframework.web.reactive.function.client.WebClient;
@ -39,11 +40,30 @@ public class MetricsWebClientCustomizer implements WebClientCustomizer {
* @param meterRegistry the meter registry
* @param tagProvider the tag provider
* @param metricName the name of the recorded metric
* @deprecated since 2.2.0 in favor of
* {@link #MetricsWebClientCustomizer(MeterRegistry, WebClientExchangeTagsProvider, String, Autotime)}
*/
@Deprecated
public MetricsWebClientCustomizer(MeterRegistry meterRegistry,
WebClientExchangeTagsProvider tagProvider, String metricName) {
this(meterRegistry, tagProvider, metricName, new Autotime());
}
/**
* Create a new {@code MetricsWebClientFilterFunction} that will record metrics using
* the given {@code meterRegistry} with tags provided by the given
* {@code tagProvider}.
* @param meterRegistry the meter registry
* @param tagProvider the tag provider
* @param metricName the name of the recorded metric
* @param autotime auto-timed request settings
* @since 2.2.0
*/
public MetricsWebClientCustomizer(MeterRegistry meterRegistry,
WebClientExchangeTagsProvider tagProvider, String metricName,
Autotime autotime) {
this.filterFunction = new MetricsWebClientFilterFunction(meterRegistry,
tagProvider, metricName);
tagProvider, metricName, autotime);
}
@Override

40
spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/web/reactive/client/MetricsWebClientFilterFunction.java
View File

@ -1,5 +1,5 @@
/*
* Copyright 2012-2018 the original author or authors.
* Copyright 2012-2019 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -16,7 +16,6 @@
package org.springframework.boot.actuate.metrics.web.reactive.client;
import java.util.List;
import java.util.concurrent.TimeUnit;
import io.micrometer.core.instrument.MeterRegistry;
@ -24,6 +23,7 @@ import io.micrometer.core.instrument.Tag;
import io.micrometer.core.instrument.Timer;
import reactor.core.publisher.Mono;
import org.springframework.boot.actuate.metrics.Autotime;
import org.springframework.web.reactive.function.client.ClientRequest;
import org.springframework.web.reactive.function.client.ClientResponse;
import org.springframework.web.reactive.function.client.ExchangeFilterFunction;
@ -48,11 +48,7 @@ public class MetricsWebClientFilterFunction implements ExchangeFilterFunction {
private final String metricName;
private final boolean autoTimeRequests;
private final double[] percentiles;
private final boolean histogram;
private final Autotime autotime;
/**
* Create a new {@code MetricsWebClientFilterFunction}.
@ -60,11 +56,12 @@ public class MetricsWebClientFilterFunction implements ExchangeFilterFunction {
* @param tagProvider provider for metrics tags
* @param metricName name of the metric to record
* @deprecated since 2.2.0 in favor of
* {@link #MetricsWebClientFilterFunction(MeterRegistry, WebClientExchangeTagsProvider, String, boolean, List, boolean)}
* {@link #MetricsWebClientFilterFunction(MeterRegistry, WebClientExchangeTagsProvider, String, Autotime)}
*/
@Deprecated
public MetricsWebClientFilterFunction(MeterRegistry meterRegistry,
WebClientExchangeTagsProvider tagProvider, String metricName) {
this(meterRegistry, tagProvider, metricName, true, null, false);
this(meterRegistry, tagProvider, metricName, new Autotime());
}
/**
@ -72,40 +69,33 @@ public class MetricsWebClientFilterFunction implements ExchangeFilterFunction {
* @param meterRegistry the registry to which metrics are recorded
* @param tagProvider provider for metrics tags
* @param metricName name of the metric to record
* @param autoTimeRequests if requests should be automatically timed
* @param percentileList percentiles for auto time requests
* @param histogram histogram or not for auto time requests
* @param autotime auto-timed request settings
* @since 2.2.0
*/
public MetricsWebClientFilterFunction(MeterRegistry meterRegistry,
WebClientExchangeTagsProvider tagProvider, String metricName,
boolean autoTimeRequests, List<Double> percentileList, boolean histogram) {
double[] percentiles = (percentileList != null)
? percentileList.stream().mapToDouble(Double::doubleValue).toArray()
: null;
Autotime autotime) {
this.meterRegistry = meterRegistry;
this.tagProvider = tagProvider;
this.metricName = metricName;
this.autoTimeRequests = autoTimeRequests;
this.percentiles = percentiles;
this.histogram = histogram;
this.autotime = (autotime != null) ? autotime : Autotime.disabled();
}
@Override
public Mono<ClientResponse> filter(ClientRequest clientRequest,
ExchangeFunction exchangeFunction) {
return exchangeFunction.exchange(clientRequest).doOnEach((signal) -> {
if (!signal.isOnComplete() && this.autoTimeRequests) {
if (!signal.isOnComplete() && this.autotime.isEnabled()) {
Long startTime = signal.getContext().get(METRICS_WEBCLIENT_START_TIME);
ClientResponse clientResponse = signal.get();
Throwable throwable = signal.getThrowable();
Iterable<Tag> tags = this.tagProvider.tags(clientRequest, clientResponse,
throwable);
Timer.builder(this.metricName).publishPercentiles(this.percentiles)
.publishPercentileHistogram(this.histogram).tags(tags)
.description("Timer of WebClient operation")
Timer.builder(this.metricName)
.publishPercentiles(this.autotime.getPercentiles())
.publishPercentileHistogram(
this.autotime.isPercentilesHistogram())
.tags(tags).description("Timer of WebClient operation")
.register(this.meterRegistry)
.record(System.nanoTime() - startTime, TimeUnit.NANOSECONDS);
}

37
spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/web/reactive/server/MetricsWebFilter.java
View File

@ -16,7 +16,6 @@
package org.springframework.boot.actuate.metrics.web.reactive.server;
import java.util.List;
import java.util.concurrent.TimeUnit;
import io.micrometer.core.instrument.MeterRegistry;
@ -25,6 +24,7 @@ import io.micrometer.core.instrument.Timer;
import org.reactivestreams.Publisher;
import reactor.core.publisher.Mono;
import org.springframework.boot.actuate.metrics.Autotime;
import org.springframework.core.Ordered;
import org.springframework.core.annotation.Order;
import org.springframework.http.server.reactive.ServerHttpResponse;
@ -48,11 +48,7 @@ public class MetricsWebFilter implements WebFilter {
private final String metricName;
private final boolean autoTimeRequests;
private final double[] percentiles;
private final boolean histogram;
private final Autotime autotime;
/**
* Create a new {@code MetricsWebFilter}.
@ -61,12 +57,13 @@ public class MetricsWebFilter implements WebFilter {
* @param metricName name of the metric to record
* @param autoTimeRequests if requests should be automatically timed
* @deprecated since 2.2.0 in favor of
* {@link #MetricsWebFilter(MeterRegistry, WebFluxTagsProvider, String, boolean, List, boolean)}
* {@link #MetricsWebFilter(MeterRegistry, WebFluxTagsProvider, String, Autotime)}
*/
@Deprecated
public MetricsWebFilter(MeterRegistry registry, WebFluxTagsProvider tagsProvider,
String metricName, boolean autoTimeRequests) {
this(registry, tagsProvider, metricName, autoTimeRequests, null, false);
this(registry, tagsProvider, metricName,
new Autotime(autoTimeRequests, false, null));
}
/**
@ -74,30 +71,20 @@ public class MetricsWebFilter implements WebFilter {
* @param registry the registry to which metrics are recorded
* @param tagsProvider provider for metrics tags
* @param metricName name of the metric to record
* @param autoTimeRequests if requests should be automatically timed
* @param percentileList percentiles for auto time requests
* @param histogram histogram or not for auto time requests
* @param autotime auto timed request settings
* @since 2.2.0
*/
public MetricsWebFilter(MeterRegistry registry, WebFluxTagsProvider tagsProvider,
String metricName, boolean autoTimeRequests, List<Double> percentileList,
boolean histogram) {
double[] percentiles = (percentileList != null)
? percentileList.stream().mapToDouble(Double::doubleValue).toArray()
: null;
String metricName, Autotime autotime) {
this.registry = registry;
this.tagsProvider = tagsProvider;
this.metricName = metricName;
this.autoTimeRequests = autoTimeRequests;
this.percentiles = percentiles;
this.histogram = histogram;
this.autotime = (autotime != null) ? autotime : Autotime.disabled();
}
@Override
public Mono<Void> filter(ServerWebExchange exchange, WebFilterChain chain) {
if (this.autoTimeRequests) {
if (this.autotime.isEnabled()) {
return chain.filter(exchange).compose((call) -> filter(exchange, call));
}
return chain.filter(exchange);
@ -122,8 +109,10 @@ public class MetricsWebFilter implements WebFilter {
private void record(ServerWebExchange exchange, long start, Throwable cause) {
Iterable<Tag> tags = this.tagsProvider.httpRequestTags(exchange, cause);
Timer.builder(this.metricName).tags(tags).publishPercentiles(this.percentiles)
.publishPercentileHistogram(this.histogram).register(this.registry)
Timer.builder(this.metricName).tags(tags)
.publishPercentiles(this.autotime.getPercentiles())
.publishPercentileHistogram(this.autotime.isPercentilesHistogram())
.register(this.registry)
.record(System.nanoTime() - start, TimeUnit.NANOSECONDS);
}

42
spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/web/servlet/WebMvcMetricsFilter.java
View File

@ -19,7 +19,6 @@ package org.springframework.boot.actuate.metrics.web.servlet;
import java.io.IOException;
import java.lang.reflect.AnnotatedElement;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import java.util.function.Supplier;
@ -35,6 +34,7 @@ import io.micrometer.core.instrument.Timer;
import io.micrometer.core.instrument.Timer.Builder;
import io.micrometer.core.instrument.Timer.Sample;
import org.springframework.boot.actuate.metrics.Autotime;
import org.springframework.core.annotation.MergedAnnotationCollectors;
import org.springframework.core.annotation.MergedAnnotations;
import org.springframework.http.HttpStatus;
@ -60,11 +60,7 @@ public class WebMvcMetricsFilter extends OncePerRequestFilter {
private final String metricName;
private final boolean autoTimeRequests;
private final double[] autoTimeRequestsPercentiles;
private final boolean autoTimeRequestsHistogram;
private final Autotime autotime;
/**
* Create a new {@link WebMvcMetricsFilter} instance.
@ -73,13 +69,14 @@ public class WebMvcMetricsFilter extends OncePerRequestFilter {
* @param metricName the metric name
* @param autoTimeRequests if requests should be automatically timed
* @since 2.0.7
* @deprecated since 2.1.4 in favor of
* {@link #WebMvcMetricsFilter(MeterRegistry, WebMvcTagsProvider, String, boolean, List, boolean)}
* @deprecated since 2.2.0 in favor of
* {@link #WebMvcMetricsFilter(MeterRegistry, WebMvcTagsProvider, String, Autotime)}
*/
@Deprecated
public WebMvcMetricsFilter(MeterRegistry registry, WebMvcTagsProvider tagsProvider,
String metricName, boolean autoTimeRequests) {
this(registry, tagsProvider, metricName, autoTimeRequests, null, false);
this(registry, tagsProvider, metricName,
new Autotime(autoTimeRequests, false, null));
}
/**
@ -87,26 +84,15 @@ public class WebMvcMetricsFilter extends OncePerRequestFilter {
* @param registry the meter registry
* @param tagsProvider the tags provider
* @param metricName the metric name
* @param autoTimeRequests if requests should be automatically timed
* @param autoTimeRequestsPercentiles default percentiles if requests are auto timed
* @param autoTimeRequestsHistogram default histogram flag if requests are auto timed
* @param autotime auto timed request settings
* @since 2.2.0
*/
public WebMvcMetricsFilter(MeterRegistry registry, WebMvcTagsProvider tagsProvider,
String metricName, boolean autoTimeRequests,
List<Double> autoTimeRequestsPercentiles, boolean autoTimeRequestsHistogram) {
double[] percentiles = (autoTimeRequestsPercentiles != null)
? autoTimeRequestsPercentiles.stream().mapToDouble(Double::doubleValue)
.toArray()
: null;
String metricName, Autotime autotime) {
this.registry = registry;
this.tagsProvider = tagsProvider;
this.metricName = metricName;
this.autoTimeRequests = autoTimeRequests;
this.autoTimeRequestsPercentiles = percentiles;
this.autoTimeRequestsHistogram = autoTimeRequestsHistogram;
this.autotime = autotime;
}
@Override
@ -187,10 +173,12 @@ public class WebMvcMetricsFilter extends OncePerRequestFilter {
Supplier<Iterable<Tag>> tags = () -> this.tagsProvider.getTags(request, response,
handlerObject, exception);
if (annotations.isEmpty()) {
if (this.autoTimeRequests) {
stop(timerSample, tags, Timer.builder(this.metricName)
.publishPercentiles(this.autoTimeRequestsPercentiles)
.publishPercentileHistogram(this.autoTimeRequestsHistogram));
if (this.autotime.isEnabled()) {
stop(timerSample, tags,
Timer.builder(this.metricName)
.publishPercentiles(this.autotime.getPercentiles())
.publishPercentileHistogram(
this.autotime.isPercentilesHistogram()));
}
}
else {

3
spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/metrics/web/client/MetricsRestTemplateCustomizerTests.java
View File

@ -27,6 +27,7 @@ import io.micrometer.core.instrument.simple.SimpleMeterRegistry;
import org.junit.Before;
import org.junit.Test;
import org.springframework.boot.actuate.metrics.Autotime;
import org.springframework.http.HttpMethod;
import org.springframework.http.MediaType;
import org.springframework.test.web.client.MockRestServiceServer;
@ -59,7 +60,7 @@ public class MetricsRestTemplateCustomizerTests {
this.mockServer = MockRestServiceServer.createServer(this.restTemplate);
this.customizer = new MetricsRestTemplateCustomizer(this.registry,
new DefaultRestTemplateExchangeTagsProvider(), "http.client.requests",
true, null, false);
new Autotime());
this.customizer.customize(this.restTemplate);
}

2
spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/metrics/web/reactive/client/MetricsWebClientCustomizerTests.java
View File

@ -40,7 +40,7 @@ public class MetricsWebClientCustomizerTests {
@Before
public void setup() {
this.customizer = new MetricsWebClientCustomizer(mock(MeterRegistry.class),
mock(WebClientExchangeTagsProvider.class), "test");
mock(WebClientExchangeTagsProvider.class), "test", null);
this.clientBuilder = WebClient.builder();
}

4
spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/metrics/web/reactive/client/MetricsWebClientFilterFunctionTests.java
View File

@ -30,6 +30,7 @@ import org.junit.Before;
import org.junit.Test;
import reactor.core.publisher.Mono;
import org.springframework.boot.actuate.metrics.Autotime;
import org.springframework.http.HttpMethod;
import org.springframework.http.HttpStatus;
import org.springframework.web.reactive.function.client.ClientRequest;
@ -63,7 +64,8 @@ public class MetricsWebClientFilterFunctionTests {
public void setup() {
this.registry = new SimpleMeterRegistry(SimpleConfig.DEFAULT, new MockClock());
this.filterFunction = new MetricsWebClientFilterFunction(this.registry,
new DefaultWebClientExchangeTagsProvider(), "http.client.requests");
new DefaultWebClientExchangeTagsProvider(), "http.client.requests",
new Autotime());
this.response = mock(ClientResponse.class);
this.exchange = (r) -> Mono.just(this.response);
}

6
spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/metrics/web/reactive/server/MetricsWebFilterTests.java
View File

@ -1,5 +1,5 @@
/*
* Copyright 2012-2018 the original author or authors.
* Copyright 2012-2019 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -25,6 +25,7 @@ import org.junit.Before;
import org.junit.Test;
import reactor.core.publisher.Mono;
import org.springframework.boot.actuate.metrics.Autotime;
import org.springframework.mock.http.server.reactive.MockServerHttpRequest;
import org.springframework.mock.web.server.MockServerWebExchange;
import org.springframework.web.reactive.HandlerMapping;
@ -50,8 +51,7 @@ public class MetricsWebFilterTests {
MockClock clock = new MockClock();
this.registry = new SimpleMeterRegistry(SimpleConfig.DEFAULT, clock);
this.webFilter = new MetricsWebFilter(this.registry,
new DefaultWebFluxTagsProvider(), REQUEST_METRICS_NAME, true, null,
false);
new DefaultWebFluxTagsProvider(), REQUEST_METRICS_NAME, new Autotime());
}
@Test

4
spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/metrics/web/servlet/WebMvcMetricsFilterAutoTimedTests.java
View File

@ -30,6 +30,7 @@ import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.actuate.metrics.Autotime;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
@ -106,7 +107,8 @@ public class WebMvcMetricsFilterAutoTimedTests {
public WebMvcMetricsFilter webMetricsFilter(WebApplicationContext context,
MeterRegistry registry) {
return new WebMvcMetricsFilter(registry, new DefaultWebMvcTagsProvider(),
"http.server.requests", true, Arrays.asList(0.5, 0.95), true);
"http.server.requests",
new Autotime(true, true, Arrays.asList(0.5, 0.95)));
}
}

3
spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/metrics/web/servlet/WebMvcMetricsFilterTests.java
View File

@ -56,6 +56,7 @@ import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.actuate.metrics.Autotime;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
@ -372,7 +373,7 @@ public class WebMvcMetricsFilterTests {
WebMvcMetricsFilter webMetricsFilter(MeterRegistry registry,
WebApplicationContext ctx) {
return new WebMvcMetricsFilter(registry, new DefaultWebMvcTagsProvider(),
"http.server.requests", true, null, false);
"http.server.requests", new Autotime());
}
}

3
spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/metrics/web/servlet/WebMvcMetricsIntegrationTests.java
View File

@ -27,6 +27,7 @@ import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.actuate.metrics.Autotime;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.HttpStatus;
@ -111,7 +112,7 @@ public class WebMvcMetricsIntegrationTests {
public WebMvcMetricsFilter webMetricsFilter(MeterRegistry registry,
WebApplicationContext ctx) {
return new WebMvcMetricsFilter(registry, new DefaultWebMvcTagsProvider(),
"http.server.requests", true, null, false);
"http.server.requests", new Autotime());
}
@Configuration(proxyBeanMethods = false)

10
spring-boot-project/spring-boot-docs/src/main/asciidoc/production-ready-features.adoc
View File

@ -1801,9 +1801,9 @@ application's absolute start time
[[production-ready-metrics-spring-mvc]]
==== Spring MVC Metrics
Auto-configuration enables the instrumentation of requests handled by Spring MVC. When
`management.metrics.web.server.request.auto-time.enabled` is `true`, this instrumentation occurs
for all requests. Alternatively, when set to `false`, you can enable instrumentation by
adding `@Timed` to a request-handling method:
`management.metrics.web.server.request.autotime.enabled` is `true`, this instrumentation
occurs for all requests. Alternatively, when set to `false`, you can enable
instrumentation by adding `@Timed` to a request-handling method:
[source,java,indent=0]
----
@ -1896,8 +1896,8 @@ To customize the tags, provide a `@Bean` that implements `WebFluxTagsProvider`.
[[production-ready-metrics-jersey-server]]
==== Jersey Server Metrics
Auto-configuration enables the instrumentation of requests handled by the Jersey JAX-RS
implementation. When `management.metrics.web.server.request.auto-time.enabled` is `true`, this
instrumentation occurs for all requests. Alternatively, when set to `false`, you can
implementation. When `management.metrics.web.server.request.autotime.enabled` is `true`,
this instrumentation occurs for all requests. Alternatively, when set to `false`, you can
enable instrumentation by adding `@Timed` to a request-handling method:
[source,java,indent=0]