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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
provided by the
Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
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Prestandaskillnader mellan olika ZFS-implementationerCarlsson, Jacob, Lindell, Johnas January 2011 (has links)
No description available.
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SSDs påverkan på MySQL: En prestandajämförelseCarlsson, Jacob, Gashi, Edison January 2012 (has links)
Solid State Drives (SSD) blir idag allt vanligare som lagringsmedium och håller på att bli ett alternativ till magnetiska hårddiskar. Denna studie+ har undersökt hur man på bästa sätt kan utnjytta SSDer i en MySQL-databas. Undersökningen genomfördes med hjälp av experiment där prestandamätningar gjordes för att få en klar bild på i vilken konfiguration av SSDs som ger bäst prestanda i MySQL. Mätverktygen som användes var sql-bench och mysqlslap. Resultaten visar att en databas på en enskild SSD presterar lika bra som en databas med SSD-cache under majoriteten av mätningarna och visar bättre resultat än resterande konfigurationerna som var en databas på hårddisk och transaktionsloggen på en SSD. / Solid State Drives (SSD) are now becoming more common as storage and is about to become an alternative to magnetic disks. This report studied how to best utilize SSDs in a MySQL database. This study was carried out using experiments in which performance benchmarks were made to get an accurate view on which configuration of SSDs that gives the best performance in MySQL. The benchmarks where made with sql-bench and mysqlslap. The results indicate that a database using only SSD storage performs equal to a database of solid-state cache under the majority of the tests and shows better results than the remaining configurations that include a database on a single hard drive and a configuration with the transaction log on a SSD.
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