micrometer | application observability facade | Analytics library
kandi X-RAY | micrometer Summary
kandi X-RAY | micrometer Summary
An application metrics facade for the most popular monitoring tools. Instrument your code with dimensional metrics with a vendor neutral interface and decide on the monitoring backend at the last minute. More info and the user manual are available on micrometer.io. Micrometer is the instrumentation library underpinning Spring Boot 2's metrics collection.
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Top functions reviewed by kandi - BETA
- Bind metrics to the consumer
- Register a notification listener
- Removes a meter from the registry
- Extracts the tags
- Entry point for the app
- Bind metrics to the registry
- Marks the request asynchronously
- Handles a request
- Publish metrics
- Writes the meter data
- Main entry point
- Returns a string representation of this histogram snapshot
- Main method
- Intercept the RPC call
- Sets the minimum and minimum value for percentile stats
- Monitor garbage collector events
- Sends the request
- Demonstrates how to use this method
- Writes a histogramSupport
- Intercept a RPC call
- Intercept the chain
- Create a new metric
- Build a Prometheus DistributionSummary
- Initialize metrics
- Handles a request event
- Shortcut for testing
micrometer Key Features
micrometer Examples and Code Snippets
Community Discussions
Trending Discussions on micrometer
QUESTION
I'm using Spring Boot with micrometer-registry-prometheus, trying to store custom tags from http headers, security context, etc.
So I found MeterFilter iterface and tried to use it to store the data I need.
But MeterFilter method works after request is completed, so at that point I don't have any information about request.
Seems like the case is pretty common, is there any possibility to achieve it?
...ANSWER
Answered 2021-Jun-14 at 19:52If you're using Spring MVC you can define a bean that implements WebMvcTagsProvider
to take complete control over the tags that are added to metrics for request-response exchanges. Alternatively, you can define a bean that implements WebMvcTagsContributor
to add to the default tags. Similarly, if you're using Spring WebFlux you can define beans that implements WebFluxTagsProvider
and WebFluxTagsContributor
to take complete control over the tags and contribute additional tags respectively.
QUESTION
I have SpringBoot app that works just fine, my endpoints return proper responses when I hit my API endpoints using Postman.
Same with my Actuators. They are working fine.
I also added spring dependencies micrometer-core
and micrometer-registry-prometheus
which added to my Actuators new path `/prometheus'. This path also works just fine and returns metrics.
Since I wanted to see the graphing, I downloaded standalone Prometheus app (so no docker image) from official site (zip file) and unziped it.
Inside, there is prometheus.exe and prometheus.yaml file.
Even without modifying this yaml file at all, as soon as I double click on prometheus.exe to start it (which starts it properly), all of my endpoints stop returning 200 OK and start returning 404 Not Found responses.
Then I modified it to add my job name and path like
...ANSWER
Answered 2021-Jun-02 at 16:01Your app is exposing endpoints on the same port of Prometheus 9090
. Change your spring boot application to expose the endpoint at 8080
or any other port except 9090
. Then scrape your app at that port.
QUESTION
How can I get information how many shards exists per node with specific id? I trying to find this information on the official documentation. But can't. One of the possible scenario it is get information about shards by this request and grouping by nodes:
...ANSWER
Answered 2021-May-27 at 08:57You need to use the _cat/allocation
API
QUESTION
io.micrometer contains disk space metrics (io.micrometer.core.instrument.binder.jvm.DiskSpaceMetrics) but it doesn't seems to be enabled by default. There are no metric data. How do i enable this metric that it can be used by prometheus?
...ANSWER
Answered 2021-May-26 at 15:41Metrics about disk space are exposed as part of the health endpoint, which is provided by Spring Boot Actuator (dependency: org.springframework.boot:spring-boot-starter-actuator
).
The health endpoint can be enabled as follows in the application.properties
file (by default, it should be enabled):
QUESTION
Small issue after upgrading from SpringBoot 2.4.4 to SpringBoot 2.5.0. My web application have the following dependencies:
...ANSWER
Answered 2021-May-26 at 13:00Seems to be a bug in Spring Boot 2.5.0 that will get fixed in 2.5.1.
QUESTION
I have a spring boot project that uses actuator that I am testing using karate. I recently attempted to update my project from using spring boot 2.4.5 to 2.5.0. Since making the change my tests are now failing with the following error:
...ANSWER
Answered 2021-May-26 at 08:42Yeah we certainly never anticipated this. We probably have to think about releasing a separate "non-shaded" artifact for teams.
Feel free to open an issue and we'll look into it. Of course if you can contribute, nothing like it.
For the time being can you try this and let me know how it goes. I think you should be able to create your own JAR locally and use maven-shade to remove micrometer from the karate fat-jar. Then use that dependency in your project. I can't think of anything else.
QUESTION
I am puzzled to solve this com.fasterxml.jackson.dataformat.xml.XmlMapper error with Java 11. I want to use XmlMapper only from jackson dependency and that's why excluded from springboot starter web , still cannot figure how to resolve it's dependency. providing as much details as possible -
build.gradle
...ANSWER
Answered 2021-May-22 at 21:00Do you explicitly need version 2.12.2 of jackson-dataformat-xml?
Problem
jackson-dataformat-xml:2.12.2 is not compatible with jackson dependencies 2.11.4. Spring Boot overwrites Jackson dependencies that are not specified other way in dependencies block or in dependencyManagement.
Solution
If you don't need 2.12.2 then just define the jackson-dataformat-xml as following:
QUESTION
We have an existing application which is working fine with the SpringBoot 2.2.2.RELEASE. Now we tried to upgrade it to the SpringBoot 2.4.2 version and application is not getting started and throws the following error. In the classpath I could see only one spring-webmvc-5.3.2.jar file.
Below is the pom.xml for the referance:
...ANSWER
Answered 2021-Jan-29 at 14:01QUESTION
I am trying to create a UNIT CONVERTER which is a GUI application in Python using Tkinter. I have created one main OptionMenu and two other OptionMenus. These other two OptionMenus are dependent on the main OptionMenu i.e.upon selecting a value from the main OptionMenu, the list of values in the other two OptionMenus changes. I have created two buttons "Convert" and "Reset". In the Reset Button, I am trying to reset the selections on all three OptionMenus.
Source Code
...ANSWER
Answered 2021-May-06 at 08:21You forget to pass updateSubLists
as the third argument of tk._setit(...)
inside resetEntries()
:
QUESTION
What happens under the hood when I create a Micrometer Counter or Timer? Is it cached? If it is cached could I use the builder anytime and add tags dinamically?
...ANSWER
Answered 2021-Apr-27 at 22:31I'm not sure what do you man by cached. Meters in Micrometer are created from and held in a MeterRegistry. Also, a meter is uniquely identified by its combination of name and tags so if you request a meter with the same name and tags, you should get back the same instance:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install micrometer
You can use micrometer like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the micrometer component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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