The document discusses a reliable message bus (RMB) built on Apache RocketMQ, designed for managing thousands of microservices in finance applications. It covers the architecture, features, and future improvements of the system, emphasizing its open-source nature and community support. Key topics include the implementation of various messaging features like unique cast, multicast, disaster tolerance, and future integrations with platforms like HBase and Elasticsearch.

1. Reliable Message Bus Based on
Apache RocketMQ
Eason Chen

2. ©2017 Apache RocketMQ
PROFILE
Familiar with distributed system
design ,develop and performance tuning,
especially in messaging system, cloud
computing, bigdata etc.
Software craftsman, engineer at webank.
Open source fanatic, Apache RocketMQ
Contributor.
Eason Chen, Email: daerduochen@sina.com

3. CONTENTS
01What is RMB
02Why RocketMQ
03What we need
04How we did
05The Future

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01What is RMB

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What is RMB
Reliable Message Bus
For thousands of micro services
In Finance scenario
reticulation
Applications
Applications
Applications
bus
Applications
Applicatiions
Applications

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02Why RocketMQ

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Why RocketMQ
Open Source，easily redevelope
Reliable，proved in production
Community activity, easily get help

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03What we need

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RMB Architecture
Applications
RMB CLIENT
RocketMQ
Client
RMB Broker
RocketMQ
Broker
RMB
Applications
Applicatiions
RMB Namesrv
RocketMQ
Namesrv

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RMB trace Architecture
RocketMQ
Log-importer
ElasticSearch
Hbase
Applicatiions
log-info
topic
log-error
topic
Log-viewer
Spark Opentsdb

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RMB Feature design
• UniqueCast
• MultiCast
• BroadCast
• Request-Response
• Gray release
• Circuit break
• Graceful shutdown
• Message live time
• Disaster tolerance in the same city
• Proxy
• Message relay
• Log trace

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04How we did

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RPC(Request-Response)
RMB Broker
RMB
Client
(Send)
RMB
Client
(Reply)
Send
Message
Processor
Pull
Message
Processor
pushReply
Message
Processor
sendReply
Message
Processor
request
response
DISK

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Deployment
Master Master Master
Master Master
Slave Slave
Asyn Cluster
Sync Cluster
Master
Slave

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Gray release
broker
client1 client2 client3
0 1 2 3
client4
Old instance
New instance
topic1
0 1
topic2
2 3

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Circuit breaker
broker
client1 client2 client3
0 1 2
topic
client
Depth of queue is full

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Disaster tolerance in the same city
APP
IDC1 IDC2 IDC3
Cluster
APP
APP
Cluster
APP
APP
Cluster
APP

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05The Future

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The Future
• Rocketmq to hbase/elasticsearch
• Non-persistent message
• Namesrv consistency
• Broker HA switch
• RPC
• Service governance

20. THANKS!
Apache RocketMQ