By Shailesh Kumar Shivakumar
Architecting excessive appearing, Scalable and to be had firm net Applications offers in-depth insights into recommendations for attaining wanted scalability, availability and function caliber objectives for company internet functions. The publication offers an built-in 360-degree view of attaining and conserving those attributes via sensible, confirmed styles, novel types, most sensible practices, functionality innovations, and non-stop development methodologies and case experiences. the writer stocks his years of expertise in program protection, company program trying out, caching options, creation operations and upkeep, and effective venture administration techniques.
- Delivers holistic view of scalability, availability and safety, caching, checking out and venture management
- Includes styles and frameworks which are illustrated with end-to-end case studies
- Offers counsel and troubleshooting equipment for firm program trying out, defense, caching, construction operations and undertaking administration
- Exploration of synergies among strategies and methodologies to accomplish end-to-end availability, scalability, functionality and defense caliber attributes
- 360-degree perspective method for attaining total quality
- Practitioner point of view on confirmed styles, thoughts, methodologies, versions and most sensible practices.
- Bulleted precis and tabular illustration of ideas for potent understanding
- Production operations and troubleshooting tips
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Extra resources for Architecting High Performing, Scalable and Available Enterprise Web Applications
4, the database cluster manager continuously monitors both the primary and standby database nodes through heartbeat messages. The data is replicated between two nodes on a regular basis. If the primary node goes down, the cluster manager detects it and switches over to the standby node after marking the primary node as offline. 4 Database failover scenario. 2 Distributed computing Distributed systems consist of several autonomous machines connected to execute the tasks in parallel. It abstracts the end user from underlying hardware and network details.
Use REST architecture, which supports stateless invocation. REST-based services can be employed for integration with upstream systems. If session creation is inevitable, minimize the state information stored in the session. This helps the application server in optimal session state replication across cluster nodes. Reduce session stickiness, which helps load balancers to distribute the load more efficiently and improves seamless horizontal scaling. How it achieves scalability? ● ● ● ● If the application is stateless, load balancers can easily distribute the load without bothering with session stickiness.
So all possible enterprise integrations should involve service-based integration. Asynchronous integration: As we have seen in an earlier section, asynchronous conversation is preferred over synchronous API calls to improve the performance time. Lightweight and on-demand data transfer: Prefer lightweight alternatives such as JSON over XML for service invocations, and do the service invocations only when needed. ● SOA and asynchronous integration reduces the load on the CPU and other resources of the source system and hence achieves scalability.