DevOps is the practice of operations and development engineers participating together in the entire service lifecycle, from design through the development process to production support.
DevOps is the blending of tasks performed by a company's application development and systems operations teams.
DevOpsis a software development method that stresses communication, collaboration and integration between software developers and Information Technology(IT) professionals. DevOps is a response to the interdependence of software development and IT operations. It aims to help an organization rapidly produce software products and services.
The term DevOps is being used in several ways. In its most broad meaning, DevOps is a philosophy or cultural approach that promotes better communication between the two teams as more elements of operations become programmable. In its most narrow interpretation,
The specific goals of a DevOps approach include improved deployment frequency, which can lead to faster time to market, lower failure rate of new releases, shortened lead time between fixes, and faster mean time to recovery in the event of a new release crashing or otherwise disabling the current system. Simple processes become increasingly programmable and dynamic, using a DevOps approach,which aims to maximize the predictability, efficiency, security, and maintainability of operational processes. Very often, automation supports this objective.
DevOps integration targets product delivery, quality testing, feature development, and maintenance releases in order to improve reliability and security and provide faster development and deployment cycles. Many of the ideas (and people) involved in DevOps came from the Enterprise Systems Management and Agile software development movements.
DevOps aids in software application release management for an organization by standardizing development environments. Events can be more easily tracked as well as resolving documented process control and granular reporting issues. Companies with release/deployment automation problems usually have existing automation but want to more flexibly manage and drive this automation — without needing to enter everything manually at the command-line. Ideally, this automation can be invoked by non-operations employees in specific non-production environments. The DevOps approach grants developers more control of the environment, giving infrastructure more application-centric understanding.
Companies that incorporate DevOps practices get more done, plain and simple. They deploy code up to 30 times more frequently than their competition. And less than 50% of their deployments fail according to Puppet Labs 2013 State of DevOps survey.
The biggest shift in attitude in a DevOps environment is that there is one team composed of cross-functional team members including developers, QA, DBAs, business analysts, operations engineers and so forth. Collaboration across these different roles delivers many benefits.
In an enterprise there is a need to break down silos, where business units operate as individual entities within the enterprise where management, processes and information are guarded. On the software development side -- and for those working in IT operations -- there needs to be better communication and collaboration to best serve the IT business needs of the organization.
One answer to breaking down enterprise silos is the move towards a DevOps-based culture that partners developers with operations staff to ensure the organization achieves optimal running of software with minimal problems. This culture is one that supports a willingness to work together and share.
The DevOps culture puts a focus on creating a fast and stable work flow through development and IT operations. One main goal of DevOps is to deploy features into production quickly and to detect and correct problems when they occur, without disrupting other services.
The benefits of a DevOps approach are many, including:
- Improved deploy frequency which can lead to faster time to market.
- Lower failure rate.
- Shortened lead time.
- Faster mean time to recovery
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