Swap space is the area on a hard disk. It holds memory pages that are temporarily inactive. Swap space is used when your operating system decides that it needs physical memory for active processes and the amount of unused physical memory is insufficient. When this happens, inactive pages from the physical memory are then moved into the swap space, freeing up that physical memory for other uses.
In today's data-driven world, efficient data management is paramount for any modern web application. Symfony, a popular PHP framework, provides developers with powerful tools and patterns to streamline data handling. Two key components that play a pivotal role in enhancing data management within Symfony applications are the Repository Pattern and Data Caching. In this article, we'll delve into these concepts, exploring how they work together to boost performance and simplify data access in Symfony projects.
Redis is an open-source in-memory key-value data store. It can be used as a database, cache, message broker and supports various data structures such as Strings, Hashes, Lists, Sets, etc... Apart from its performance and flexibility, Redis stands out with its wide language support, high availability, and automatic partitioning.