RMQTT Broker

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RMQTT broker is a fully open source, highly scalable, highly available distributed MQTT messaging broker for IoT, M2M and mobile applications that can handle millions of concurrent clients on a single service node.

Features

100% Rust safe code;
Based on tokio;
MQTT v3.1, v3.1.1 and v5.0 protocols support;
- QoS0, QoS1, QoS2 message support;
- Offline message support;
- Retained message support;
- Last Will message support;
Distributed cluster;
Built-in AUTH/ACL;
HTTP AUTH/ACL;
JWT AUTH/ACL;
WebHook;
HTTP APIs;
$SYS System Topics;
Store session information;
Store unexpired messages;
MQTT Bridging - Ingress Mode
MQTT Bridging - Egress Mode
Apache Kafka Bridging - Ingress Mode
Apache Kafka Bridging - Egress Mode
Apache Pulsar Bridging - Ingress Mode
Apache Pulsar Bridging - Egress Mode
NATS Bridging - Egress Mode
Reductstore Bridging - Egress Mode
Topic Rewrite
Auto Subscription
Shared subscription($share/{Group}/{TopicFilter});
Exclusive subscription($exclusive/{TopicFilter});
Limit subscription($limit/{LimitQuantity}/{TopicFilter});
Delayed publish($delayed/{DelayInterval}/{TopicName});
Hooks;
TLS support;
WebSocket support;
WebSocket-TLS support;
Built-in extensible components;
Extensible plug-in support;
Metrics & Stats;
Rate limit;
Inflight and Queue;
Message resending;
For full list of new features, please read RMQTT Release Notes.

Installation

The RMQTT broker is cross-platform, which supports Linux, Unix, macOS and Windows. It means RMQTT can be deployed on x86_64 architecture servers and ARM devices like Raspberry Pi.

Run RMQTT using Docker

Single node

mkdir -p /app/log/rmqtt
docker run -d --name rmqtt -p 1883:1883 -p 8883:8883 -p 11883:11883 -p 6060:6060 -v /app/log/rmqtt:/var/log/rmqtt  rmqtt/rmqtt:latest

Multi node

  docker run -d --name rmqtt1 -p 1884:1883 -p 8884:8883 -p 11884:11883 -p 6064:6060 -v /app/log/rmqtt/1:/var/log/rmqtt  rmqtt/rmqtt:latest --id 1 --plugins-default-startups "rmqtt-cluster-raft" --node-grpc-addrs "1@172.17.0.3:5363" "2@172.17.0.4:5363" "3@172.17.0.5:5363" --raft-peer-addrs "1@172.17.0.3:6003" "2@172.17.0.4:6003" "3@172.17.0.5:6003"   

  docker run -d --name rmqtt2 -p 1885:1883 -p 8885:8883 -p 11885:11883 -p 6065:6060 -v /app/log/rmqtt/2:/var/log/rmqtt  rmqtt/rmqtt:latest --id 2 --plugins-default-startups "rmqtt-cluster-raft" --node-grpc-addrs "1@172.17.0.3:5363" "2@172.17.0.4:5363" "3@172.17.0.5:5363" --raft-peer-addrs "1@172.17.0.3:6003" "2@172.17.0.4:6003" "3@172.17.0.5:6003"   

  docker run -d --name rmqtt3 -p 1886:1883 -p 8886:8883 -p 11886:11883 -p 6066:6060 -v /app/log/rmqtt/3:/var/log/rmqtt  rmqtt/rmqtt:latest --id 3 --plugins-default-startups "rmqtt-cluster-raft" --node-grpc-addrs "1@172.17.0.3:5363" "2@172.17.0.4:5363" "3@172.17.0.5:5363" --raft-peer-addrs "1@172.17.0.3:6003" "2@172.17.0.4:6003" "3@172.17.0.5:6003"

Node IDs: 1, 2, 3; Node IP Addrs: 172.17.0.3, 172.17.0.4, 172.17.0.5

Create a static cluster by docker-compose

Download docker-compose configuration template
Start docker-compose cluster

docker-compose up -d

View cluster

curl "http://127.0.0.1:6066/api/v1/health/check"

Installing via ZIP Binary Package (Linux、MacOS、Windows)

Get the binary package of the corresponding OS from RMQTT Download page.

Experience

Test

Functional Testing

paho.mqtt.testing(MQTT V3.1.1) client_test.py

client_test.py Test.test_retained_messages [OK]
client_test.py Test.test_zero_length_clientid [OK]
client_test.py Test.will_message_test [OK]
client_test.py Test.test_zero_length_clientid [OK]
client_test.py Test.test_offline_message_queueing [OK]
client_test.py Test.test_overlapping_subscriptions [OK]
client_test.py Test.test_keepalive [OK]
client_test.py Test.test_redelivery_on_reconnect [OK]
client_test.py Test.test_dollar_topics [OK]
client_test.py Test.test_unsubscribe [OK]
client_test.py Test.test_subscribe_failure [OK]
- You need to modify the rmqtt-acl.toml configuration and add the following line at the first line: ["deny", "all", "subscribe", ["test/nosubscribe"]]

paho.mqtt.testing(MQTT V5.0) client_test5.py

client_test5.py Test.test_retained_message [OK]
client_test5.py Test.test_will_message [OK]
client_test5.py Test.test_offline_message_queueing [OK]
client_test5.py Test.test_dollar_topics [OK]
client_test5.py Test.test_unsubscribe [OK]
client_test5.py Test.test_session_expiry [OK]
client_test5.py Test.test_shared_subscriptions [OK]
client_test5.py Test.test_basic [OK]
client_test5.py Test.test_overlapping_subscriptions [OK]
client_test5.py Test.test_redelivery_on_reconnect [OK]
client_test5.py Test.test_payload_format [OK]
client_test5.py Test.test_publication_expiry [OK]
client_test5.py Test.test_subscribe_options [OK]
client_test5.py Test.test_assigned_clientid [OK]
client_test5.py Test.test_subscribe_identifiers [OK]
client_test5.py Test.test_request_response [OK]
client_test5.py Test.test_server_topic_alias [OK]
client_test5.py Test.test_client_topic_alias [OK]
client_test5.py Test.test_maximum_packet_size [OK]
client_test5.py Test.test_keepalive [OK]
client_test5.py Test.test_zero_length_clientid [OK]
client_test5.py Test.test_user_properties [OK]
client_test5.py Test.test_flow_control2 [OK]
client_test5.py Test.test_flow_control1 [OK]
client_test5.py Test.test_will_delay [OK]
client_test5.py Test.test_server_keep_alive [OK]
- You need to modify the rmqtt.toml configuration and change max_keepalive to 60.
client_test5.py Test.test_subscribe_failure [OK]
- You need to modify the rmqtt-acl.toml configuration and add the following line at the first line: ["deny", "all", "subscribe", ["test/nosubscribe"]]

Benchmark Testing

environment

Item	Content
System	x86_64 GNU/Linux	Rocky Linux 9.2 (Blue Onyx)
CPU	Intel(R) Xeon(R) CPU E5-2696 v3 @ 2.30GHz	72(CPU(s)) = 18(Core(s)) * 2(Thread(s) per core) * 2(Socket(s))
Memory	DDR3/2333	128G
Disk		2T
Container	podman	v4.4.1
MQTT Bench	docker.io/rmqtt/rmqtt-bench:latest	v0.1.3
MQTT Broker	docker.io/rmqtt/rmqtt:latest	v0.3.0
Other	MQTT Bench and MQTT Broker coexistence

Connection Concurrency Performance

Item	Single Node	Raft Cluster Mode
Total Concurrent Clients	1,000,000	1,000,000
Connection Handshake Rate	(5500-7000)/second	(5000-7000)/second

Message Throughput Performance

Item	Single Node	Raft Cluster Mode
Subscription Client Count	1,000,000	1,000,000
Publishing Client Count	40	40
Message Throughput Rate	150,000/second	156,000/second

For detailed benchmark test results and information, see documentation.

License

rmqtt/rmqtt

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