MixIT 14 - How to choose your message broker

•

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How to choose your message broker from the point of view of a Java/JEE developer. This presentation has been exposed during the great conference MixIT14 in Lyon.

Logiciels Technologie

How to choose your
message broker
Guillaume Arnaud
@guillarnaud

• EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC
Offtopic
2
commercial
products
low latency
benchmarks ESB

• EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC
Benchmarks
3

• EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC
Exchange information !
4
notiﬁcations
RPC
log
centralized
dashboard
synchronization
worker
metrics

• EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC
Once upon a time JMS…
5
API (!=protocol)
JMS ∈ JEE
100% Java
JMS 2.02001
Transaction
decoupling

• EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC
JMS: client side
6
connexion
session
broker
client
clientsessiontcp!
transport
buffer
buffer

• EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC
Beware of wrong asynchronism
7
connection = new ActiveMQConnectionFactory(
"failover:(tcp://localhost:61616)?timeout=1000")
.createConnection();
…
producer.send(queue,message);

• EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC
Exit strategy
8
bounded
ABC
A consumer
queue
dead letter queue
B
C
Time To Live
10 seconds
=10 seconds

• EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC
JMS: queue vs topic
9
ABC
A
B
C
consumer 1
queue
consumer 2
consumer 3
ABC
A
C
consumer 1
topic
consumer 2
consumer 3
BC
ABC
B
consumer 3

• EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC
AMQP: le challenger
10
100% Protocol
interoperability
routing
2006
0.9.1 vs 1.0

• EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC
broker
AMQP
11
exchange
queue
publisher
subscriber
subscriberqueue
queue.a.b
queue.a.c
queue.a.*
binding
virtual host

• EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC
AMQP: topology
12
exchange
queue
queue
queue
queuefanout
exchange
queue.a.b
fanout
direct
exchange
queue.*.#
queue topic
exchange
queue.a.b (ignored)
queue
header1: value1
header2: value2
…
headers

• EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC
STOMP: light messaging
13
textual
light
Simple Text Orientated
Messaging Protocol
2010 (?)
incompatibility
heartbeat
js + ws
security

• EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC
STOMP: message structure
14
COMMAND
header1:value1
header2:value2
!
Body^@
CONNECT
accept-version:1.0,1.2
host:myhost
heart-beat: 10,20
!
^@
CONNECTED
version:1.2
heart-beat:10,20
!
^@
SEND
destination:/queue/a
content-type:text/plain
!
hello
^@
SUBSCRIBE
id:0
destination:/queue/a
ack:client
!
^@
MESSAGE
subscription:0
message-id:003
destination: /queue/a
content-type:text/plain
!
hello
^@

• EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC
MQTT
15
Device
QoSCompact
2007
Last Known Good
semantic
Highly constrained

• EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC
MQTT
16
sender server
publish
QoS 0: at most once delivery
client server
publish
ack
QoS 1: at least once delivery
QoS 2: exactly one delivery
receiver
receiver
publish
publish
client server
publish
receive
receiver
publish
complete
release
id
id
id
id

• EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC
Kafka
17
distributed
complexity
MessageSet
ZeroCopy
2011
consumer oriented
ordering
append only
LinkedIn
λ & μ-service
architecture

• EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC
Kafka
18
producer
consumer consumer
partitionpartition partition partition
serveur serveur
consumer consumer
consumer consumer
consumer group
consumer group
topic:partition topic:partition
zookeeper

• EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC
Distribution/high availability
19
broker 1
broker 2
shared
fs/db
load
balancing
High Availability!
actif/actif!
actif/passif
broker 1
broker 2
broker 3
broker 4
P1
C1
Network of brokers!
(a topology example)
failover
Zookeeper!
(robust distribution)
idempotency

• EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC
Performance
20
persistance mandatory ?
ﬁlesystemdatabase
distribution
yes
no
batch
prefetch
ack
no
serialization
headers
specialized
queue
ﬂow control

• EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC
My subjective solutions
21

• EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC
Conclusion
22
decoupling
semantic buffer
routingheartbeat
ordering
batch/prefetch exit strategy
idempotency ﬂow control

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MixIT 14 - How to choose your message broker

1. How to choose your message broker Guillaume Arnaud @guillarnaud

2. • EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC Offtopic 2 commercial products low latency benchmarks ESB

3. • EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC Benchmarks 3

4. • EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC Exchange information ! 4 notiﬁcations RPC log centralized dashboard synchronization worker metrics

5. • EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC Once upon a time JMS… 5 API (!=protocol) JMS ∈ JEE 100% Java JMS 2.02001 Transaction decoupling

6. • EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC JMS: client side 6 connexion session broker client clientsessiontcp! transport buffer buffer

7. • EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC Beware of wrong asynchronism 7 connection = new ActiveMQConnectionFactory( "failover:(tcp://localhost:61616)?timeout=1000") .createConnection(); … producer.send(queue,message);

8. • EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC Exit strategy 8 bounded ABC A consumer queue dead letter queue B C Time To Live 10 seconds =10 seconds

9. • EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC JMS: queue vs topic 9 ABC A B C consumer 1 queue consumer 2 consumer 3 ABC A C consumer 1 topic consumer 2 consumer 3 BC ABC B consumer 3

10. • EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC AMQP: le challenger 10 100% Protocol interoperability routing 2006 0.9.1 vs 1.0

11. • EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC broker AMQP 11 exchange queue publisher subscriber subscriberqueue queue.a.b queue.a.c queue.a.* binding virtual host

12. • EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC AMQP: topology 12 exchange queue queue queue queuefanout exchange queue.a.b fanout direct exchange queue.*.# queue topic exchange queue.a.b (ignored) queue header1: value1 header2: value2 … headers

13. • EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC STOMP: light messaging 13 textual light Simple Text Orientated Messaging Protocol 2010 (?) incompatibility heartbeat js + ws security

14. • EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC STOMP: message structure 14 COMMAND header1:value1 header2:value2 ! Body^@ CONNECT accept-version:1.0,1.2 host:myhost heart-beat: 10,20 ! ^@ CONNECTED version:1.2 heart-beat:10,20 ! ^@ SEND destination:/queue/a content-type:text/plain ! hello ^@ SUBSCRIBE id:0 destination:/queue/a ack:client ! ^@ MESSAGE subscription:0 message-id:003 destination: /queue/a content-type:text/plain ! hello ^@

15. • EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC MQTT 15 Device QoSCompact 2007 Last Known Good semantic Highly constrained

16. • EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC MQTT 16 sender server publish QoS 0: at most once delivery client server publish ack QoS 1: at least once delivery QoS 2: exactly one delivery receiver receiver publish publish client server publish receive receiver publish complete release id id id id

17. • EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC Kafka 17 distributed complexity MessageSet ZeroCopy 2011 consumer oriented ordering append only LinkedIn λ & μ-service architecture

18. • EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC Kafka 18 producer consumer consumer partitionpartition partition partition serveur serveur consumer consumer consumer consumer consumer group consumer group topic:partition topic:partition zookeeper

19. • EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC Distribution/high availability 19 broker 1 broker 2 shared fs/db load balancing High Availability! actif/actif! actif/passif broker 1 broker 2 broker 3 broker 4 P1 C1 Network of brokers! (a topology example) failover Zookeeper! (robust distribution) idempotency

20. • EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC Performance 20 persistance mandatory ? ﬁlesystemdatabase distribution yes no batch prefetch ack no serialization headers specialized queue ﬂow control

21. • EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC My subjective solutions 21

22. • EBIA ALLIANCE = XEBIA + XEBIALABS + THIGA + UX REPUBLIC Conclusion 22 decoupling semantic buffer routingheartbeat ordering batch/prefetch exit strategy idempotency ﬂow control

MixIT 14 - How to choose your message broker

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