Want to see what is happening to threads in your application?
Requirements
- Java 17
- Docker
- K6 run:
brew install k6- In docker-compose.yml add host ip
Thread observatory for:
- Classic thread per request server
- Coroutine based server
Work in progress phase!
Docs
JVM arguments
Remember that the key thing is to tune JVM parameters
JVM start heap size: -Xms512m
JVM max heap size: -Xmx512m
k6 scripts
Variables for all scripts:
| Name | Type | Default |
|---|---|---|
| SLEEP_TIME_MILLIS | number | 1000 |
| DURATION | number(s) | 10 |
| RATE | number(rps) | 10 |
sleep.js
This will mitigate waiting for some resource
Specific variable
| Name | Type | Default |
|---|---|---|
| SLEEP_TIME_MILLIS | number | 1000 |
k6 run -e SLEEP_TIME_MILLIS=100 -e RATE=30 -e DURATION=10 load-tests/sleep.jssleep.js
This will mitigate waiting for some resource
Specific variable
| Name | Type | Default |
|---|---|---|
| OBJECTS_COUNT | number | 100 |
k6 run -e OBJECTS_COUNT=2115 load-tests/spawn.js