Explore the Project's Repository
Clone the Repository
git clone https://github.com/skrymets/replicated-cache.git
Build the Project
cd replicated-cache
mvn clean install -DskipTests=true
Build Docker Image
docker image build . -t cache-demo:1.0.0
Run Application's instances in two nodes by Docker Composer
docker-compose.exe up
You will see an output like this
Creating replicated-cache_node1_1 ... done
Creating replicated-cache_node2_1 ... done
Attaching to replicated-cache_node1_1, replicated-cache_node2_1
- Node 1 REST Service will start on port 8080
- Node 2 REST Service will start on port 8081
Use curl to read/write values from/in cache via the REST interface.
Write a value to the Node 1
curl -X POST -H "key:keyValue" -H "value:valueData" http://localhost:8080/set
node1_1 | 2020-03-24 22:21:18.277 INFO 1 --- [nio-8080-exec-2] s.replicated.cache.shell.RestShell : Setup value for key keyValue == valueData
node1_1 | 2020-03-24 22:21:18.280 INFO 1 --- [nio-8080-exec-2] s.replicated.cache.CachingRepository : Update value in the cache: keyValue: valueData
node2_1 | 2020-03-24 22:21:19.116 DEBUG 1 --- [n(5)-172.17.0.2] n.sf.ehcache.distribution.RMICachePeer : RMICachePeer for cache inMemoryFeatures: remote remove received for key: feature-keyValue
Now read a value by the provided key from the Node 1
curl -X GET http://localhost:8080/read?key=keyValue
You'll get:
valueData
Now read a value by the provided key from the Node 2
curl -X GET http://localhost:8081/read?key=keyValue
And ... magically ... you'll get the same value:
valueData
Explore the logs output in console for more details.
Shutdown the nodes
docker-compose.exe down