jfrunit
JavaFlames
| jfrunit | JavaFlames | |
|---|---|---|
| 7 | 2 | |
| 301 | 20 | |
| -0.3% | - | |
| 0.0 | 3.9 | |
| about 1 year ago | about 3 years ago | |
| Java | Java | |
| Apache License 2.0 | - |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
jfrunit
-
Experimenting with GC-less (heap-less) Java
I haven't had chance to use it properly yet, but I think JfrUnit[0][1] is a good option here to test non-functional behaviour like memory usage and garbage collection.
[0]: https://github.com/moditect/jfrunit
- Is there a way to write tests to validate the Hibernate-generated queries?
- JfrUnit – A JUnit extension for asserting JDK Flight Recorder events
- Possible to detect performance and memory issues with testing?
-
Ask Java: what are some JFR-based tools that you enjoy?
JfrUnit: Allows to assert JFR events in JUnit tests (details)
-
Inducing sustained GC
I do not know of any library that would particularly help here, except maybe this thingie might help with writing tests to assert your expected behaviour holds: https://github.com/gunnarmorling/jfrunit (A potentially relevant example here: https://twitter.com/gunnarmorling/status/1335326054496555008). However, there's no public release as of yet.
JavaFlames
-
Ask Java: what are some JFR-based tools that you enjoy?
Another shameless plug. My own scripts for generating flame graphs without dependencies: https://github.com/billybong/JavaFlames
-
Utility script for generating flamegraphs from JFR logs without dependencies.
I've become tired of waiting for JMC to support flamegraphs on windows, so I wrote a small java utility script to generate flamegraphs from JFR logs without dependencies. Adding it to my toolbox and thought I would share it to anyone interested. https://github.com/billybong/JavaFlames
What are some alternatives?
hibernate-jfr - a Hiberante listener that generates JFR events
jfr-maven-extension - a Maven extension generates JFR events for a Maven build
junit-jfr - a JUnit 5 extension that generates JFR events
micrometer-jfr - A Micrometer meter registry that generates JFR events
hypersistence-optimizer - Hypersistence Optimizer allows you to get the most out of JPA and Hibernate. By scanning your application configuration and mappings, Hypersistence Optimizer can tell you what changes you need to do to speed up your data access layer.
container-jfr - Secure JDK Flight Recorder management for containerized JVMs
jfr-ejb - an EJB interceptor that generates JFR events
jfr-jdbc - a JDBC driver that wraps an other JDBC driver and generates JFR events
Gatling - Modern Load Testing as Code
jfr-libraries - a list of libraries that generate JFR events