Resilience4J
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In this session we will learn how we can handle fault tolerance in microservices using Resilince4J springboot and how it is Preferred over Hystrics for implementing fault-tolerance pattern circuit-Breaker
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Are you planning to migrate an existing legacy / monolithic application to Microservices?
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Join me to know all about Microservice architecture:
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Follow us to never miss an update in the future.
YouTube: https://www.youtube.com/user/edurekaIN
Instagram: https://www.instagram.com/edureka_learning/
Facebook: https://www.facebook.com/edurekaIN/
Twitter: https://twitter.com/edurekain
LinkedIn: https://www.linkedin.com/company/edureka
Castbox: https://castbox.fm/networks/505?country=in
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Follow us to never miss an update in the future.
YouTube: https://www.youtube.com/user/edurekaIN
Instagram: https://www.instagram.com/edureka_learning/
Facebook: https://www.facebook.com/edurekaIN/
Twitter: https://twitter.com/edurekain
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How are they different?
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Follow us to never miss an update in the future.
YouTube: https://www.youtube.com/user/edurekaIN
Instagram: https://www.instagram.com/edureka_learning/
Facebook: https://www.facebook.com/edurekaIN/
Twitter: https://twitter.com/edurekain
LinkedIn: https://www.linkedin.com/company/edureka
Castbox: https://castbox.fm/networks/505?country=in
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Agile Methodology
What is Scrum
History of Scrum
Scrum Roles
Scrum Artifacts
How Scrum Works?
Scrum Board
Follow us to never miss an update in the future.
YouTube: https://www.youtube.com/user/edurekaIN
Instagram: https://www.instagram.com/edureka_learning/
Facebook: https://www.facebook.com/edurekaIN/
Twitter: https://twitter.com/edurekain
LinkedIn: https://www.linkedin.com/company/edureka
Castbox: https://castbox.fm/networks/505?country=in
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Most of our learnings apply to other Kubernetes infrastructures (EKS, GKE, ..) as well. This talk strives to reduce the audience's unknown unknowns about running Kubernetes in production.
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Come funziona Scrum? Quali sono i suoi mattoni base? Questa presentazione è il primo tassello della collana divulgativa di Agile Reloaded su Agile e Lean Software Development. Lasciate i vostri commenti, li utilizzeremo per il cartone animato!
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This is a talk I gave at PLoP 2017 - http://www.hillside.net/plop/2017/index.php?nav=program
The microservice architecture is growing in popularity. It is an architectural style that structures an application as a set of loosely coupled services that are organized around business capabilities. Its goal is to enable the continuous delivery of large, complex applications. However, the microservice architecture is not a silver bullet and it has some significant drawbacks.
The goal of the microservices pattern language is to enable software developers to apply the microservice architecture effectively. It is a collection of patterns that solve architecture, design, development and operational problems. In this talk, I’ll provide an overview of the microservice architecture and describe the motivations for the pattern language. You will learn about the key patterns in the pattern language.
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---
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Looking for A Basic Insight on RTOS Introduction from official Guide.
This series of PPT's slides helps you to gain knowledge in FreeRTOS
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Openshift
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https://github.com/BHRother/spring-hystrix-example
https://github.com/BHRother/spring-circuit-breaker-example
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Resilience4J
- 1. Presented By: Anuradha Kumari and Anshuman Shukla Resilience4J
- 2. Lack of etiquette and manners is a huge turn off. KnolX Etiquettes Punctuality Join the session 5 minutes prior to the session start time. We start on time and conclude on time! Feedback Make sure to submit a constructive feedback for all sessions as it is very helpful for the presenter. Silent Mode Keep your mobile devices in silent mode, feel free to move out of session in case you need to attend an urgent call. Avoid Disturbance Avoid unwanted chit chat during the session.
- 3. Our Agenda 01 Netflix Hystrix 02 Resilience4J 03 Resilience4J Module 04 Demo 05 Q/A
- 4. 4 Netflix Hystrix Hystrix is the fault tolerance library designed by Netflix to isolate points of access to remote systems. Hystrix enables the resilience in complex distributed systems where failure is inevitable. What we need to know before using Resilience4j??
- 5. 5 Failure Failure Failure Request Process1 Process2 process3 Process4
- 6. 6 Resilence4j Resilience4j is an alternative lightweight fault-tolerant library inspired from Netflix Hystrix and designed for java 8 and functional programming. It is built on top of functional language extension to java 8, which does not have any other external library dependencies. Let’s understand, Modules of Resilience4J?
- 7. Resilience4J Module Circuit Breaker BulkHead Retry Time Limiter Rate Limiter Cache
- 8. Circuit Breaker (failure rate above threshold ) (failure rate above threshold) (after wait duration) (failure rate above threshold) CLOSED OPEN HALF_OPEN
- 10. Retry user-service catsalog-service Resilience4j: retry: instances: userService: maxRetryAttempts: 3 waitDuration: 5s Service A Service B Failure response
- 11. Rate Limiter Pattern Rate limiter pattern helps us to make services highly available just by limiting the number of calls we could process in a specific window. Rate limiting specified in terms of 1. Requests per second(rpc) 2. Requests per minute(rpm) 3. Requests per hour(rph)
- 13. Time Limiter 1. Setting a limit on the amount of time we are willing to wait for an operation to complete is called time limiting. 2. If the operation does not complete within the time specified, we want to notified about it with a timeout error.
- 14. Resilience4j Time Limiter Resilience4j’s TimeLimiter can be used to set limits (timeouts) on asynchronoums operations implemented with completeble Feature. Configuration timeoutDuration:2s cancelRunningFuture:true
- 15. BulkHead Pattern The BulkHead Pattern is a type of application design that is tolerant of failure. In a bulkhead architecture, elements of an application isolated into pools so that if one fails, the other will continue of function. BulkHead Implementation framework 1. Hystrix 2. Resilience4J
- 16. When to use BulkHead Pattern 1. Apply the bulkhead pattern whenever you want to scale a service independent of other services. 2. Isolate resources used to consume a set of backed services, especially if the application can provide some level of functionality even when one of the service is not responding. 3. Apply the bulkhead pattern to fault isolate components of varying risk or availability requirements. 4. Protect the application from cascading failure.
- 17. Q/A
- 18. Demo
- 19. Thank You ! Get in touch with us: Lorem Studio, Lord Building D4456, LA, USA