Slides for the 50 min presentation at Camel Day Italy 2021, where Claus Ibsen and Andrea Cosentino had the opporunity to give a more deep dive talk about the journey towards Camel 3, and what we have done to re-architect camel core in v3 to make it awesome for microservices, cloud native, kubernetes, quarkus, graalvm, knative, apache kafka. Camel Day Italy 2021: https://www.meetup.com/it-IT/red-hat-developers-italy/events/275332376/

1. What’s new with Apache Camel 3?

2. About
Claus Ibsen
● Senior Principal Software Engineer at Red Hat
● ASF Member & Java Champion
● Apache Camel tech lead
● Author of Camel in Action books
● Based in Denmark
● Blog: http://www.davsclaus.com
● Twitter: @davsclaus
● Github: davsclaus
● Linkedin: davsclaus

3. About
Andrea Cosentino
● Principal Software Engineer at Red Hat
● ASF Member
● Apache Camel PMC chair
● Apache Camel tech lead
● Based in Italy
● Twitter: @oscerd2 Github: oscerd

4. Agenda
● What is Apache Camel
● History towards Camel 3
● Camel 3 Projects
● Camel Releases
● What is new in Camel 3
● Camel Quarkus
● More Material
● Q & A

5. What is Apache Camel

7. The giant swiss knife 😅
Packed with
a lot of
functionality

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11. History towards
Camel 3

13. EAI / ESB /
J2EE Ages
2007

14. EAI / ESB /
J2EE Ages
OSGi Ages
2007 2010

15. EAI / ESB /
J2EE Ages
Kubernetes Ages
OSGi Ages
Spring Boot
Ages
2007 2010 2015

16. EAI / ESB /
J2EE Ages
Kubernetes Ages
OSGi Ages
Spring Boot
Ages
2007 2010 2020
2015
Quarkus
Ages

17. EAI / ESB /
J2EE Ages
Kubernetes Ages
OSGi Ages
Spring Boot
Ages
2007 2010 2020
Kamelets
Ages
2015
Quarkus
Ages

18. Kamelets
Ages
Drink every time you hear
Kamelets

19. EAI / ESB /
J2EE Ages
Kubernetes Ages
OSGi Ages
Spring Boot
Ages
2007 2010 2020
Kamelets
Ages
2015
Quarkus
Ages

20. EAI / ESB /
J2EE Ages
Kubernetes Ages
OSGi Ages
Spring Boot
Ages
2007 2010 2020
Kamelets
Ages
2015
Quarkus
Ages

21. EAI / ESB /
J2EE Ages
Kubernetes Ages
OSGi Ages
Spring Boot
Ages
2007 2010 2020
Kamelets
Ages
2015
Quarkus
Ages

22. One “thing” is missing. What
would that be?

23. EAI / ESB /
J2EE Ages
Kubernetes Ages
OSGi Ages
Spring Boot
Ages
2007 2010 2020
Kamelets
Ages
2015
Quarkus
Ages

24. EAI / ESB /
J2EE Ages
Kubernetes Ages
OSGi Ages
Spring Boot
Ages
2007 2010 2020
Kamelets
Ages
2015
Quarkus
Ages
Kafka Ages

29. How old is
this code?

30. It is from 2007
Camel 1.0 Route

31. http://www.davsclaus.com/2012/05/looking-at-impressive-first-apache.html
Apache Camel 1.0 Release (June 2007)
● Java DSL
● XML DSL (using Spring)
● OSGi on the roadmap
● camel-core JAR ( 660 kb)
● 7 core components
● 18 external components
● 2 working examples
● full website with documentation
● Project logo and box
● Maven Plugin
● Test Kit

33. Camel 3 Projects

34. Camel
Swiss knife of integration

35. Camel
Swiss knife of integration
Camel Spring Boot
Camel on
Spring Boot

36. Camel
Swiss knife of integration
Camel Spring Boot
Camel on
Spring Boot
Camel Karaf
Camel on
Apache Karaf / OSGi

37. Camel K
Camel on
Kubernetes & Knative
Camel
Swiss knife of integration
Camel Spring Boot
Camel on
Spring Boot
Camel Karaf
Camel on
Apache Karaf / OSGi

38. Camel Quarkus
Optimized JVM & Native
compiled Java (GraalVM)
Camel K
Camel on
Kubernetes & Knative
Camel
Swiss knife of integration
Camel Spring Boot
Camel on
Spring Boot
Camel Karaf
Camel on
Apache Karaf / OSGi

39. Camel Quarkus
Optimized JVM & Native
compiled Java (GraalVM)
Camel K
Camel on
Kubernetes & Knative
Camel
Swiss knife of integration
Camel Spring Boot
Camel on
Spring Boot
Camel Karaf
Camel on
Apache Karaf / OSGi
Camel Kafka Connector
Kafka Connector with Camel

40. Camel
Releases

41. Release Date LTS LTS EOL Java
2.25 Jan 2020 Yes Dec 2021 8
3.0 Nov 2019 No 8,11
3.1 Feb 202 No 8,11
3.2 Apr 2020 No 8,11
3.3 May 2020 No 8,11
3.4 Jun 2020 Yes Jun 2021 8,11
3.5 Aug 2020 No 8,11,14
3.6 Oct 2020 No 8,11,14
3.7 Dec 2020 Yes Dec 2021 8,11,14
3.8 Feb 2021 No 8,11,14
3.9 Apr 2021 No 8,11,14
3.10 Jun 2021 Yes Jun 2022 8,11,14
Schedule
may change

42. What is new in Camel 3

43. camel-core
(Camel 2.x)

44. camel-core
(Camel 3.x)
camel-core-engine
(Camel 3.x)
Includes 42 Camel JARs
(core & core components)
(similar to camel-core 2.x)
Includes 11 Camel JARs
(core only functionality)

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To register with a
custom name

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experimental
org.apache.camel.spi.
ReactiveExecutor

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○ Camel K with:
EIPs must still be
modelled inside core

50. camel-core-model

51. camel-core-model camel-core-reifier

52. camel-core-model camel-core-reifier camel-core-processor

53. camel-core-processor
camel-core-model camel-core-reifier

54. camel-core-processor
application.properties
camel.main.lightweight = true

55. camel-core-processor
camel-activemq camel-file
ActiveMQConsumer FileProducer
FileConsumer

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57. Lower is
better
examples/camel-example-java8

58. Lower is
better
examples/camel-example-java8
This is incl JDK
classes (not only
Camel classeS)

59. Lower is
better
examples/camel-example-java8
Camel 2.25
861 objects
36 KB

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examples/camel-example-main-tiny

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Can be up till
x100 faster
(reduced CPU
and memory
usage)

62. ●
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○ work in progress
most work still at
init but potential
optimizations in the
near future

63. ●
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■
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http://www.davsclaus.com/2020/02/apache-camel-31-more-camel-core.html
camel-xmp-jaxb vs camel-xml-io
JAXB Camel
Parsing 1500 ms 250 ms
Classes +700

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70. Business Logic
Integration Logic
Externalized Configuration

71. camel-core-engine
(Camel 3.x)

72. Camel
Quarkus

74. Java Density Problem

75. Java Fast Scaling Problem

76. What is Quarkus ?

77. What is Quarkus ?
Supersonic Subatomic Java

78. What is Quarkus ?
Supersonic Subatomic Java
A Kubernetes Native Java stack tailored for GraalVM &
OpenJDK HotSpot, crafted from the best of breed Java libraries
and standards

79. Minimal Footprint

80. Apache Camel and Quarkus runs extremely fast in JVM mode.
Startup is 1.4s (Camel 0.1s), 27mb uber-jar, and 165mb RSS memory used.

81. Apache Camel and Quarkus runs blazingly fast with Native compiled mode.
Startup is 28 msec (Camel 5 msec), 54mb binary file, and 31mb RSS memory used.

82. Camel Quarkus Demo

84. More
Material

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87. Any Questions ?
Follow us on Twitter
@davsclaus
@oscerd2
@ApacheCamel
https://github.com/apache/camel
A star on github is appreciated