/spring-kafka-play

This is a playground for learning kafka in Spring boot

Primary LanguageJava

spring-kafka-play

This is a playground for learning kafka in Spring boot Open in gitpod

1. add hosts for kafka

The gitpod will do this step automatically.

Add hosts manually 
echo "127.0.0.1 kafka" | sudo tee -a /etc/hosts

2. Install java

The gitpod will do this step automatically.

Install the java manual 
sudo apt-get install -y openjdk-11-jre

3. Install maven

The gitpod bwill do this step automatically.

Install the Maven manual 
sudo apt-get install -y maven

4. Install hey

Hey is the tool for the load testing, similar to the ab tool of Apache.

The gitpod will do this step automatically.

Install Hey manually 
sudo apt-get install -y hey

Run the kafka

Using docker-compose to start the kafak (Zookeper, kafka borker, kafka UI).

docker-compose up -d

run the service

To start the spring-boot service: use the mvn

mvn spring-boot:run

Simulate the job

To send a single request:

# simulate a 10s duration job
curl -H "Content-Type: application/json" -d '{"duration":10}' http://localhost:8080/mail/job

Load Test

To send a numbers of the request

hey -n ${total-request} -c ${concurrent} -m POST -d '{"durtion": ${dur_in_second}}' -H "Content-Type: application/json" http://localhost:8080/mail/job

#example to send 1000 request with 10s job
hey -n 1000 -c 100 -m POST -d '{"durtion": 10}' -H "Content-Type: application/json" http://localhost:8080/mail/job

To get the public URL for the Web

gp url 8080

To get the public URL for kafka UI

gp url 8081