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crazylion lee

dularion/streama: It's like Netflix, but self-hosted! http://dularion.github.io/streama/ - 0 views

github.com/streama

open source streaming video netflix

shared by crazylion lee on 13 Jan 17 - No Cached
  • crazylion lee on 13 Jan 17
     
    "It's like Netflix, but self-hosted! http://dularion.github.io/streama/"
crazylion lee

GitHub - Netflix/Hystrix: Hystrix is a latency and fault tolerance library designed to ... - 0 views

github.com/Hystrix

netflix network java

shared by crazylion lee on 19 Apr 18 - No Cached
  • crazylion lee on 19 Apr 18
     
    "Hystrix is a latency and fault tolerance library designed to isolate points of access to remote systems, services and 3rd party libraries, stop cascading failure and enable resilience in complex distributed systems where failure is inevitable."
張 旭

Full Cycle Developers at Netflix - Operate What You Build - 1 views

netflixtechblog.com/lopers-at-netflix-a08c31f83249

devops system

shared by 張 旭 on 27 May 20 - No Cached
  • Researching issues felt like bouncing a rubber ball between teams, hard to catch the root cause and harder yet to stop from bouncing between one another.
  • In the past, Edge Engineering had ops-focused teams and SRE specialists who owned the deploy+operate+support parts of the software life cycle
  • hearing about those problems second-hand
  • ...17 more annotations...
  • devs could push code themselves when needed, and also were responsible for off-hours production issues and support requests
  • What were we trying to accomplish and why weren’t we being successful?
  • These specialized roles create efficiencies within each segment while potentially creating inefficiencies across the entire life cycle.
  • Grouping differing specialists together into one team can reduce silos, but having different people do each role adds communication overhead, introduces bottlenecks, and inhibits the effectiveness of feedback loops.
  • devops principles
  • develops a system also be responsible for operating and supporting that system
  • Each development team owns deployment issues, performance bugs, capacity planning, alerting gaps, partner support, and so on.
  • Those centralized teams act as force multipliers by turning their specialized knowledge into reusable building blocks.
  • Communication and alignment are the keys to success.
  • Full cycle developers are expected to be knowledgeable and effective in all areas of the software life cycle.
  • ramping up on areas they haven’t focused on before
  • We run dev bootcamps and other forms of ongoing training to impart this knowledge and build up these skills
  • “how can I automate what is needed to operate this system?”
  • “what self-service tool will enable my partners to answer their questions without needing me to be involved?”
  • A full cycle developer thinks and acts like an SWE, SDET, and SRE. At times they create software that solves business problems, at other times they write test cases for that, and still other times they automate operational aspects of that system.
  • the need for continuous delivery pipelines, monitoring/observability, and so on.
  • Tooling and automation help to scale expertise, but no tool will solve every problem in the developer productivity and operations space
張 旭

Java microservices architecture by example - 0 views

www.scnsoft.com/...java-microservices-example

java micro service architecture programming

shared by 張 旭 on 26 Oct 18 - No Cached
baliar liked it
  • A microservices architecture is a particular case of a service-oriented architecture (SOA)
  • What sets microservices apart is the extent to which these modules are interconnected.
  • Every server comprises just one certain business process and never consists of several smaller servers.
  • ...12 more annotations...
  • Microservices also bring a set of additional benefits, such as easier scaling, the possibility to use multiple programming languages and technologies, and others.
  • Java is a frequent choice for building a microservices architecture as it is a mature language tested over decades and has a multitude of microservices-favorable frameworks, such as legendary Spring, Jersey, Play, and others.
  • A monolithic architecture keeps it all simple. An app has just one server and one database.
  • All the connections between units are inside-code calls.
  • split our application into microservices and got a set of units completely independent for deployment and maintenance.
  • Each of microservices responsible for a certain business function communicates either via sync HTTP/REST or async AMQP protocols.
  • ensure seamless communication between newly created distributed components.
  • The gateway became an entry point for all clients’ requests.
  • We also set the Zuul 2 framework for our gateway service so that the application could leverage the benefits of non-blocking HTTP calls.
  • we've implemented the Eureka server as our server discovery that keeps a list of utilized user profile and order servers to help them discover each other.
  • We also have a message broker (RabbitMQ) as an intermediary between the notification server and the rest of the servers to allow async messaging in-between.
  • microservices can definitely help when it comes to creating complex applications that deal with huge loads and need continuous improvement and scaling.
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