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FBARC: I/O Asymmetry-Aware Buffer Replacement Strategy
"... Buffer Management is central to database systems; it minimizes the access gap between memory and disk. Primary criterion of most buffer management strategies is hitrate maximization (based on recency, frequency). New storage technologies exhibit characteristics such as read/write asymmetry and low r ..."
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hitrate. In this paper we introduce FBARC- a buffer management strategy designed to address I/O asymmetry on Flash devices. FBARC is based on ARC and extends it by a write list utilizing the spatial locality of evicted pages to produce semi-sequential write patterns. FBARC adds an additional list to host
FD-Buffer: A Buffer Manager for Databases on Flash Disks
, 2016
"... FD-buffer: a buffer manager for databases on flash disks. ..."
Nanyang Technological
"... We design and implement FD-Buffer, a buffer manager for database systems running on flash-based disks. Unlike magnetic disks, flash media has an inherent read-write asymmetry: writes involve expen-sive erase operations and as a result are usually much slower than reads. Therefore, we address this as ..."
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this asymmetry in FD-Buffer. Specifically, we use the average I/O cost per page access as op-posed to the traditional miss rate as the performance metric for a buffer. We develop a new replacement policy in which we sepa-rate clean and dirty pages into two pools. The size ratio of the two pools is automatically
unknown title
, 2011
"... Corporate Governance determinants of voluntary disclosure and its effects on information asymmetry: an analysis for Iberian Peninsula listed companies. ..."
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Corporate Governance determinants of voluntary disclosure and its effects on information asymmetry: an analysis for Iberian Peninsula listed companies.
Load Balancing and Density Dependent Jump Markov Processes (Extended Abstract)
- In Proceedings of the 37th IEEE Symposium on Foundations of Computer Science
, 1996
"... Michael Mitzenmacher Department of Computer Science U.C. Berkeley Berkeley, CA 94720 mitzen@cs.berkeley.edu Abstract We provide a new approach for analyzing both static and dynamic randomized load balancing strategies. We demonstrate the approach by providing the first analysis of the following ..."
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Michael Mitzenmacher Department of Computer Science U.C. Berkeley Berkeley, CA 94720 mitzen@cs.berkeley.edu Abstract We provide a new approach for analyzing both static and dynamic randomized load balancing strategies. We demonstrate the approach by providing the first analysis of the following
2.1.1 Orthodoxy
"... I discuss Julian Barbour's Machian theories of dynamics, and his proposal that a Machian perspective enables one to solve the problem of time in quantum ge-ometrodynamics (by saying that there is no time!). I concentrate on his recent ..."
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I discuss Julian Barbour's Machian theories of dynamics, and his proposal that a Machian perspective enables one to solve the problem of time in quantum ge-ometrodynamics (by saying that there is no time!). I concentrate on his recent
Theory of Computing Systems
"... Abstract. It is well known that simple randomized load balancing schemes can balance load effectively while incurring only a small overhead, making such schemes appealing for practical systems. In this paper we provide new analyses for several such dynamic randomized load balancing schemes. Our work ..."
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that using d = 2 choices yields an exponential improvement in the expected time a customer spends in the system over d = 1 choice (simple random selection) in equilibrium. Here we examine several variations, including constant service times and threshold models, where a customer makes up to d successive
Guaranteeing Communication Quality in Real World WSN Deployments
"... April 29, 2011Für UnsShe had never before seen a rabbit with either a waistcoat-pocket, or a watch to take out of it, and burning with curiosity, she ran across the field after it Lewis CarrollThe following document, written under the supervision of Dr. reviewed by: ..."
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April 29, 2011Für UnsShe had never before seen a rabbit with either a waistcoat-pocket, or a watch to take out of it, and burning with curiosity, she ran across the field after it Lewis CarrollThe following document, written under the supervision of Dr. reviewed by:
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