backing store

简明释义

后备存储器;

英英释义

例句

1.In cloud computing, a backing store can refer to the storage services provided by the provider.

在云计算中，后备存储可以指提供商提供的存储服务。

2.The application stores user data in a backing store to ensure it can be retrieved later.

该应用程序将用户数据存储在后备存储中，以确保可以稍后检索。

3.To improve performance, the software caches frequently accessed files in a backing store.

为了提高性能，该软件将频繁访问的文件缓存在后备存储中。

4.When the system runs out of memory, it uses a backing store to swap data temporarily.

当系统内存不足时，它使用后备存储来临时交换数据。

5.The database is set up with a backing store that allows for quick access to large datasets.

数据库设置了一个后备存储，以便快速访问大型数据集。

作文

In the realm of computer science, data storage plays a crucial role in ensuring that information is readily available and efficiently managed. One term that often comes up in discussions about data management is backing store. A backing store refers to a storage device or system that holds data persistently, allowing it to be retrieved and used by a computer program when needed. This concept is essential for understanding how data is organized and accessed in modern computing environments.To illustrate the importance of a backing store, consider the example of a database management system. When a user inputs data into a database, that information must be stored somewhere so that it can be accessed later. The backing store serves as the permanent storage location for this data. In many cases, the backing store might be a hard disk drive (HDD) or solid-state drive (SSD), which provides the necessary space to hold vast amounts of information securely.Furthermore, the efficiency of a backing store can significantly impact the performance of applications. For instance, if an application frequently accesses data stored in a backing store that has slow read/write speeds, users may experience delays and sluggish performance. Therefore, selecting an appropriate backing store is vital for optimizing application performance and ensuring a smooth user experience.In addition to traditional storage devices, cloud storage has emerged as a popular alternative for backing stores. Cloud services allow users to store their data on remote servers, providing flexibility and scalability. This means that businesses can easily increase their storage capacity without the need for physical hardware upgrades. However, relying on cloud-based backing stores also raises questions about data security and access speed. Users must weigh the benefits of convenience against potential risks associated with storing sensitive information offsite.Moreover, the concept of a backing store extends beyond just physical storage devices. In some programming paradigms, particularly in the context of virtual memory, a backing store can refer to any secondary storage that supports the primary memory. When the main memory (RAM) becomes full, the operating system may use a backing store to swap out less frequently accessed data, thus freeing up space for more critical tasks. This mechanism allows systems to operate efficiently even when they encounter resource constraints.In conclusion, understanding the role of a backing store is fundamental for anyone involved in computer science or data management. It not only pertains to the physical devices used for storage but also encompasses broader concepts related to data retrieval and application performance. As technology continues to evolve, the ways in which we utilize backing stores will likely change, but their importance in the digital landscape will remain constant. By grasping the significance of backing stores, individuals and organizations can make informed decisions about data management strategies that best suit their needs. Overall, whether it’s through traditional means or emerging technologies, the backing store serves as a backbone for data persistence, enabling seamless access to information and supporting the functionality of various applications in our increasingly data-driven world.

在计算机科学领域，数据存储在确保信息随时可用和高效管理方面起着至关重要的作用。一个经常在数据管理讨论中出现的术语是backing store。backing store指的是一个存储设备或系统，它持久地保存数据，使其在需要时能够被计算机程序检索和使用。这个概念对于理解现代计算环境中数据的组织和访问至关重要。为了说明backing store的重要性，可以考虑数据库管理系统的例子。当用户将数据输入到数据库中时，这些信息必须存储在某个地方，以便将来可以访问。backing store作为这些数据的永久存储位置。在许多情况下，backing store可能是硬盘驱动器（HDD）或固态驱动器（SSD），它提供了必要的空间来安全地保存大量信息。此外，backing store的效率可以显著影响应用程序的性能。例如，如果应用程序频繁访问存储在backing store中的数据，而该存储的读/写速度较慢，用户可能会经历延迟和缓慢的性能。因此，选择合适的backing store对于优化应用程序性能和确保流畅的用户体验至关重要。除了传统的存储设备外，云存储已经成为backing store的一个流行替代方案。云服务允许用户将数据存储在远程服务器上，提供灵活性和可扩展性。这意味着企业可以轻松增加存储容量，而无需进行物理硬件升级。然而，依赖基于云的backing store也引发了关于数据安全性和访问速度的问题。用户必须权衡便利性与存储敏感信息的潜在风险。此外，backing store的概念不仅限于物理存储设备。在某些编程范式中，特别是在虚拟内存的上下文中，backing store可以指任何支持主内存的二级存储。当主内存（RAM）变满时，操作系统可能会使用backing store来交换出不太频繁访问的数据，从而释放空间以处理更关键的任务。这个机制使系统即使在遇到资源限制时也能高效运行。总之，理解backing store的角色对于任何参与计算机科学或数据管理的人来说都是基础。它不仅涉及用于存储的物理设备，还包括与数据检索和应用程序性能相关的更广泛的概念。随着技术的不断发展，我们利用backing store的方式可能会发生变化，但它们在数字领域中的重要性将始终保持不变。通过掌握backing stores的意义，个人和组织可以就最适合其需求的数据管理策略做出明智的决策。总体而言，无论是通过传统手段还是新兴技术，backing store都作为数据持久性的支柱，使信息的无缝访问成为可能，并支持我们日益数据驱动的世界中各种应用程序的功能。