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首页> 外文会议>Symposium on Mass Storage Systems and Technologies >Understanding storage I/O behaviors of mobile applications
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Understanding storage I/O behaviors of mobile applications

机译：了解移动应用程序的存储I / O行为

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摘要

In the past few years, mobile devices quickly gained high popularity in our daily life. Designed for ultra-mobility, these small yet powerful devices are fundamentally distinct from traditional computer systems (e.g., PCs and servers) - from the internal hardware architecture and software stack, to application behaviors. Storage, the slowest component in the I/O stack, plays an important role in mobile systems and can greatly affect user experience. In this paper, we present a set of comprehensive experimental studies on mobile storage and attempt to gain insight on the unique behaviors of mobile applications and characterize the performance properties of underlying mobile storage. In our experiments, we carefully selected 13 representative mobile workloads from 5 different categories. Our studies reveal several unexpected observations on mobile storage. Based on these findings, we further discuss the associated implications to mobile systems and application designers. We hope this work can inspire system architects, application designers, and practitioners to pay specific attention to the high-latency I/O operations, rather than completely relying on the default APIs. We also suggest a further look to new opportunities, such as adopting a faster medium in the mobile system architecture, for future research.
机译：在过去的几年中，移动设备在我们的日常生活中迅速受到欢迎。这些小型而功能强大的设备专为超移动性而设计，从内部硬件体系结构和软件堆栈到应用程序行为，从根本上与传统计算机系统（例如PC和服务器）不同。存储是I / O堆栈中最慢的组件，它在移动系统中起着重要作用，并且会极大地影响用户体验。在本文中，我们提出了一组关于移动存储的全面实验研究，并试图深入了解移动应用的独特行为并表征底层移动存储的性能。在我们的实验中，我们从5个不同类别中精心选择了13种代表性的移动工作负载。我们的研究揭示了对移动存储的一些意外发现。基于这些发现，我们进一步讨论了对移动系统和应用程序设计人员的相关含义。我们希望这项工作可以激发系统设计师，应用程序设计人员和从业人员特别关注高延迟I / O操作，而不是完全依赖默认的API。我们还建议进一步寻找新的机会，例如在移动系统体系结构中采用更快的介质，以供将来研究之用。

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