How to Install and Run RocketMQ on CentOS 7: A Step‑by‑Step Guide
This article records a complete, step‑by‑step installation and startup process for Apache RocketMQ on a CentOS 7 system, covering environment checks, downloading the package, extracting files, launching the name server and broker, adjusting memory settings, and verifying the setup with a test client.
1. Download RocketMQ installation package
Visit the Apache website, choose the desired version (e.g., 4.9.7), and copy the filename to the URL.
wget https://archive.apache.org/dist/rocketmq/4.9.7/rocketmq-all-4.9.7-bin-release.zipDownload the zip file to /usr/local/soft_hzz/ and wait for it to finish.
unzip rocketmq-all-4.9.7-bin-release.zip -d /usr/local/soft_hzz/rocketmq/2. Start Name Server
nohup sh mqnamesrv &– start in background sh mqnamesrv – start in foreground (logs appear, Ctrl+C to stop)
Execute the background command in the RocketMQ directory:
nohup sh bin/mqnamesrv &3. Start Broker
nohup sh bin/mqbroker -n 172.30.128.65:9876 &– start broker in background sh bin/mqbroker -n 172.30.128.65:9876 – start in foreground
If the broker fails due to insufficient memory, edit /bin/runbroker.sh to reduce the JVM heap size (e.g., set both max and min heap to 256 MB) and restart:
nohup sh bin/mqbroker -n 172.30.128.65:9876 &4. Test the installation
Configure a local project to use the RocketMQ address 172.30.128.65:9876, start the project, and send/consume messages to verify that the broker and name server are working correctly.
If the Name Server also reports memory‑related errors, adjust its heap settings in the same way; all startup scripts are located in the bin directory.
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