PERFORMANCE ANALYSIS AND MODELING OF DISK UO SUBSYSTEM IN HIGH THROUGHPUT SERVERS

دانشگاه آزاد اسلامی اصفهان(خوراسگان)

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" PERFORMANCE ANALYSIS AND MODELING OF DISK UO SUBSYSTEM IN HIGH THROUGHPUT SERVERS "

Document Type	:	Latin Dissertation
Language of Document	:	English
Record Number	:	150762
Doc. No	:	ET22554
Main Entry	:	AMISU OLUWAKEMI SALAM-ALADA
Title Proper	:	PERFORMANCE ANALYSIS AND MODELING OF DISK UO SUBSYSTEM IN HIGH THROUGHPUT SERVERS
Note	:	This document is digital این مدرک بصورت الکترونیکی می باشد
Abstract	:	While processor speeds are rapidly increasing, the InputIOutput (I/O) especially disk I/Ospeeds are lagging far behind. The implication of this trend is that the performance ofseveral high throughput networking application servers is limited by I/O subsystemoverheads. This thesis considers three I/O subsystem configurations for high throughputservers: single disk, disk array, and Redundant Array of Inexpensive Disks (RAID). Inaddition, we consider two disk I/O scheduling policies: First-Come First-Served (FCFS)and Shortest Position Time First (SPTF) with and without prefetching. We characterizethe high throughput server workloads in terms of three categories: SequentiallyDistributed Strides Accesses (SDSA), Widely Distributed Strides Accesses (WDSA) andNarrowly Distributed Strides Accesses (NDSA). Using this characterization, we employtrace-driven simulation to compare the alternative....-...,..tested for theQ1 PC1 bus cardBoth these projects mere sofixare des elopment efforts tonards contributing to dlfferentaspects of Roboucs and lZ1echatronics projects m the Controls and Roboucs Group..
Subject	:	Electericl tess
	:	برق
electronic file name	:	TL45777.pdf
Title and statement of responsibility and	:	PERFORMANCE ANALYSIS AND MODELING OF DISK UO SUBSYSTEM IN HIGH THROUGHPUT SERVERS [Thesis]