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A paravirtualized file system for accelerating file I/O

Kihong Lee, Dongwoo Lee, Young Ik Eom
2014 2014 International Conference on Big Data and Smart Computing (BIGCOMP)  
In this paper, we propose a framework for improving file I/O performance in a virtualized environment, which consists of a paravirtualized file system, a shared queue, and an I/O-dedicated thread.  ...  I/O process.  ...  Both VirtFS and our approach follow the same concept of optimizing I/O procedures by utilizing virtualization awareness at the file system level, but we further take into account the overhead caused by  ... 
doi:10.1109/bigcomp.2014.6741459 dblp:conf/bigcomp/LeeLE14 fatcat:dxkesxyvvrbv3f53jk7fpjpti4

I/O Performance Optimization Techniques for Hybrid Hard Disk-Based Mobile Consumer Devices

Young-jin Kim, Sung-jin Lee, Kangwon Zhang, Jihong Kim
2007 IEEE transactions on consumer electronics  
In this paper, we improve its I/O performance by combining an intelligent data pinning policy for the flash memory with a caching technique which is aware of access patterns for the flash memory and DRAM  ...  We built SimHybrid, a flexible trace-driven hybrid hard disk evaluation environment, and used it to demonstrate how a hybrid hard disk can achieve significantly better I/O performance than a traditional  ...  ., for their technical discussions which significantly improved the quality of the proposed techniques.  ... 
doi:10.1109/tce.2007.4429239 fatcat:i2gdqslutve5zfdt6ekvqsubzu

Understanding Vertical Scalability of I/O Virtualization for MapReduce Workloads: Challenges and Opportunities [chapter]

Bogdan Nicolae
2014 Lecture Notes in Computer Science  
If so, what are the best practices to achieve a high virtualized aggregated I/O throughput?  ...  This paper aims to answer these questions in the context of I/O intensive MapReduce workloads: it analyzes and characterizes their behavior under different virtualization scenarios in order to propose  ...  For the purpose of this work, we implemented two mapping strategies: (1) round robin, which spreads the virtual disks to as many physical disks as possible in order to avoid I/O contention; and (2) consolidated  ... 
doi:10.1007/978-3-642-54420-0_1 fatcat:t7isdcjlsvbnlkdn7qio6ta5ma

ParaSwift: File I/O Trace Modeling for the Future

Rukma Talwadker, Kaladhar Voruganti
2014 USENIX Large Installation Systems Administration Conference  
Historically, traces have been used by system designers for designing and testing their systems. However, traces are becoming very large and difficult to store and manage.  ...  Prior art in trace modeling has primarily dealt with modeling block traces, and file/NAS traces collected from virtualized clients which are essentially block I/O's to the storage server.  ...  ParaSwift implements a novel inline content aware I/O sampling technique. The technique is based on the concept of Bloom Filters (BF) [9] .  ... 
dblp:conf/lisa/TalwadkerV14 fatcat:7blis3j3l5bn7edhpfa4tfxlly

The Proximal Workspace Architecture for Wearable I/O-Device Cloud Applications

Cynthia Taylor, Joseph Pasquale
2014 Proceedings of the 11th International Conference on Mobile and Ubiquitous Systems: Computing, Networking and Services  
We describe a new enhanced cloud computing architecture, called the Proximal Workspace, to allow access and interaction between lightweight wearable I/O devices, e.g., video glasses, earphones, wrist displays  ...  We also describe a powerful abstraction for networked communication, called Networked Device Drivers, which provide the underlying communication support for Proximal Workspaces in a way that promotes simplicity  ...  It is aware of its physical location and may be optimized for tasks that are frequently performed at its location.  ... 
doi:10.4108/icst.mobiquitous.2014.258037 dblp:conf/mobiquitous/TaylorP14 fatcat:ygkqnizhufahrium3hdq3xqkxy

I/O Bits: User-Driven, Situated, and Dedicated Self-Tracking

Kendra A. Wannamaker, Sandeep Zechariah George Kollannur, Marian Dörk, Wesley Willett
2021 Designing Interactive Systems Conference 2021  
Our prototype I/O Bits -simple manual self-tracking tools which can be used to log and visualize activities in a wide variety of locations. A set of potential example use-cases for I/O Bits.  ...  Figure 1: From left to right: Participant sketches for small situated e-paper visualizations.  ...  's PostBits introduce low-maintenance devices that can be placed in-situ to display news feeds, weather, social media content, or virtual sticky notes [36] In their recent literature review, Ghajargar  ... 
doi:10.1145/3461778.3462138 fatcat:br35whsn5vfljpdipptnzdrrt4

Analyzing I/O patterns for the design of energy-efficient image servers

Jaemyoun Lee, Kyungtae Kang, Chang Song
2014 2014 IEEE 33rd International Performance Computing and Communications Conference (IPCCC)  
Accordingly, the Open Compute Project (OCP) proposed a storage server for cold data, known as Cold Storage, to reduce power consumption using the spin-down technique in large-scale storage systems.  ...  These our contributions should provide guidelines for the implementation of a stable and energy-efficient distributed file system on a Cold Storage server, and to establish a spin-down policy that is power-proportional  ...  The authors would like to thank Soonho Kwon for his advices and active support for this project. Juyoung Park and Kuyeon Lee also contributed ideas.  ... 
doi:10.1109/pccc.2014.7017087 dblp:conf/ipccc/LeeKS14 fatcat:k4tlschtmfgr5g5nheh4e6n67a

Better I/O through byte-addressable, persistent memory

Jeremy Condit, Edmund B. Nightingale, Christopher Frost, Engin Ipek, Benjamin Lee, Doug Burger, Derrick Coetzee
2009 Proceedings of the ACM SIGOPS 22nd symposium on Operating systems principles - SOSP '09  
file system I/O.  ...  Even the PCI Express bus is primarily designed for bulk data transfer as opposed to high-bandwidth random-access I/O.  ... 
doi:10.1145/1629575.1629589 dblp:conf/sosp/ConditNFILBC09 fatcat:jbxhg5mrinbpjlederxqr2meru

Design and Implementation of Digital Map Products Contributing GIS Perspective based on Cloud Computing

Jinsuk Kang
2012 International Journal of Computer and Communication Engineering  
In this paper, we describe an augmented reality system for defense technologies and present a novel approach to a Collaboration Interaction Model (CIM) combining context-aware and mobile augmented reality  ...  In addition, CIM generates the community according to the relationship between the entities and enables a user to selectively share personalized content with other mobile users.  ...  to store the application content.  ... 
doi:10.7763/ijcce.2012.v1.42 fatcat:tngrl7dmcjegzgludgrgmzaxc4

2019 Index IEEE Transactions on Cloud Computing Vol. 7

2020 IEEE Transactions on Cloud Computing  
-Dec. 2019 1168-1182 When I/O Interrupt Becomes System Bottleneck: Efficiency and Scalability Enhancement for SR-IOV Network Virtualization. Li, J., +, TCC Oct.  ...  Huang, H., +, TCC Oct.- Dec. 2019 1082-1094 When I/O Interrupt Becomes System Bottleneck: Efficiency and Scalability Enhancement for SR-IOV Network Virtualization. Li, J., +, TCC Oct.  ... 
doi:10.1109/tcc.2020.2969066 fatcat:uxhqc6ryenen7brk6qnejnciaa

Guest Editors' Introduction: Special Issue on Storage for the Big Data Era

Vlado Stankovski, Radu Prodan
2018 Journal of Grid Computing  
focuses on the specific requirements for storing and retrieving Virtual Machine images.  ...  In addition, they introduce an algorithm that uses priorities for each block of I/O requests.  ... 
doi:10.1007/s10723-018-9439-1 fatcat:gqvgzigve5g2hn7pqpfxvhlqsu

Transparent Computing: Development and Current Status

Yaoxue Zhang, Sijing Duan, Deyu Zhang, Ju Ren
2020 Chinese journal of electronics  
Then, we present a comparison of several emerging computing paradigms and TC from three perspectives, i.e., virtualization, location for computing, and location for storage.  ...  Current terminal devices, such as Personal computers (PCs), diskless workstation, mobile terminals and embedded Internet of things (IoT) devices, are facing several challenges, including limited computing  ...  Optimization of four virtual layers 2 Virtual layer References Description Virtual I/O [41] It uses disk I/O redirection and disk mapping to ensure personalized use of users, which can reduce total costs  ... 
doi:10.1049/cje.2020.07.001 fatcat:v6kawllzgbhyhm7s3rw4ksdg5y

DynaMix: Dynamic Mobile Device Integration for Efficient Cross-device Resource Sharing

Dongju Chae, Joonsung Kim, Gwangmu Lee, Hanjun Kim, Kyung-Ah Chang, Hyogun Lee, Jangwoo Kim
2018 USENIX Annual Technical Conference  
First, DynaMix maximizes resource coverage by dynamically integrating computation and I/O resources of remote devices with distributed shared memory and I/O request forwarding.  ...  Second, DynaMix obviates the need for multi-device programming by providing the resource sharing capability at the low level.  ...  However, DynaMix resolves CPU contention as well as network contention, optimized to the mobile environment.  ... 
dblp:conf/usenix/ChaeKLKCLK18 fatcat:4irhstprijhuviakv2mvy4qxey

CDN Slicing over a Multi-Domain Edge Cloud

Tarik Taleb, Pantelis A. Frangoudis, Ilias Benkacem, Adlen Ksentini
2019 IEEE Transactions on Mobile Computing  
We present an architecture for the provision of video Content Delivery Network (CDN) functionality as a service over a multi-domain cloud.  ...  Our design is tailored to a 5G mobile network context, building on its inherent programmability, management flexibility, and the availability of cloud resources at the mobile edge level, thus close to  ...  I no u r im p l em ea n c ev i a t h e M EO ' s i n s t a n t i a t i o nA P Ie n d p o i n t .T h e r e g i o n i d e n t i fi e r i s i n c l u d e d i n t h e r e q u e s t , s o t h a t t h e M EOd  ... 
doi:10.1109/tmc.2019.2921712 fatcat:robqyxio4bf2pfr6q2mqj73kty

Actively deployable mobile services for adaptive web access

Siu Nam Chuang, A.T.S. Chan, Jiannong Cao, R. Cheung
2004 IEEE Internet Computing  
The proliferation of mobile devices in wireless environments has put special requirements on the ability to access the Web seamlessly.To address the impact of varying contextual characteristics on mobile  ...  access, the authors developed the WebPADS framework, which can actively deploy new mobile services.  ...  We envision power-aware mobilet services optimizing the device battery life.  ... 
doi:10.1109/mic.2004.1273483 fatcat:prx7zy7huve6flel3ratfm3gm4
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