FIBONACCI Worker

For more description see: fibonacci-cluster-docker and fibonacci-cluster-k8s

Requirements

• Java 21
• Artemis
• Redis

Configuration

App can be configured by environment variables:

• BROKER_URL - the URI to connect to the ActiveMQ cluster

• BROKER_USER - the AMQ user

• BROKER_PASSWORD - the AMQ password

• WORKER_QUEUE_NAME - the name of the worker queue

• WORKER_CONCURRENCY - the consumer concurrency, by default 1-10

• JMS_SESSION_CACHE_SIZE - the size of the cache for SessionConnectionFactory, by default 5

• FIB_CALC_CACHE_ACTIVATED - feature toggle of the Fibonacci number calculation cache (in Redis), by default true

• REDIS_HOST - the host address of the Redis database

• REDIS_PORT - the port of the Redis database, by default 6379

• REDIS_KEY_PREFIX - the prefix for all keys, by default fib-worker-

• REDIS_CACHE_TTL - the TTL for the cache entry, by default 10m

• TOMCAT_PORT - the port of exposed API, by default 8080

The example configuration:

BROKER_URL=failover:(tcp://localhost:61616)?jms.useAsyncSend=true
BROKER_USER=admin
BROKER_PASSWORD=admin

WORKER_QUEUE_NAME=worker;
WORKER_CONCURRENCY=1-10

REDIS_HOST=localhost