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    blog address: https://www.cronj.com/blog/node-js-non-blocking-asynchronous-blocking-synchronous/

    keywords: asynchronous vs non-blocking, non blocking architecture, blocking and non blocking in node js, blocking and non blocking in nodeJs example, node Js non blocking

    member since: Aug 7, 2023 | Viewed: 252

    Node Js: Non-blocking or asynchronous | Blocking or synchronous

    Category: Technology

    Node.js is a server-side scripting language based on Google’s V8 Javascript engine. Node js is a single-threaded and highly scalable system. Instead of separate processes and threads, it uses asynchronous, event-driven I/O operations. So It can achieve high output via single-threaded event loop and non-blocking I/O. Blocking vs Non Blocking NodeJS In Node.js, understanding the difference between blocking and non-blocking operations is crucial for building efficient and responsive applications. In this article, we will explore the concepts of blocking and non-blocking in Node.js, their implications, and how they affect the performance of your code. Blocking Operations in Node.js: Blocking operations refer to tasks that halt the execution of the program until the operation is completed. When a blocking operation is encountered, Node.js waits for it to finish before moving on to the next task. This can cause delays and inefficiencies, especially in scenarios where there are multiple concurrent operations. Non-blocking Operations in Node.js: Non-blocking operations, on the other hand, allow the program to continue executing other tasks while waiting for an operation to complete. Instead of waiting, Node.js delegates the operation to the underlying system and registers a callback function to be executed upon completion. This asynchronous approach enables Node.js to handle multiple operations concurrently, improving efficiency and responsiveness. Comparison: Blocking vs. Non-blocking Operations in Node.js Blocking Operations Non-blocking Operations Execution Model Synchronous Asynchronous Program Flow Waits for each operation to finish Continues with other tasks Responsiveness Can be slow for multiple tasks Improved responsiveness Performance Lower concurrency, potential delays Higher concurrency, better performance Resource Usage Higher resource utilization Efficient resource utilization In Node.js, understanding the difference between blocking and non-blocking operations is vital for writing high-performance applications. By leveraging non-blocking operations, Node.js can handle concurrent tasks efficiently, resulting in improved responsiveness, scalability, and resource utilization. Asynchronous programming and the event-driven architecture of Node.js enable developers to harness the power of non-blocking operations, making it a preferred choice for building scalable and responsive applications. Blocking or Non-blocking in Node.js: Which is Faster? Non-blocking Advantages: Non-blocking operations, including asynchronous operations in Node.js, offer several benefits that contribute to speed and performance:



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