{"id":54241,"date":"2018-03-09T22:41:56","date_gmt":"2018-03-09T22:41:56","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/performance-prediction-and-tuning-in-a-multi-cluster-environment\/"},"modified":"2018-03-09T22:41:56","modified_gmt":"2018-03-09T22:41:56","slug":"performance-prediction-and-tuning-in-a-multi-cluster-environment","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ingenieria-y-tecnologia-del-medio-ambiente\/performance-prediction-and-tuning-in-a-multi-cluster-environment\/","title":{"rendered":"Performance prediction and tuning in a multi-cluster environment"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Argollo De Oliveira Dias J\u00fanior Eduardo <\/strong><\/h2>\n<p>Los clusters de computadores son una alternativa actual usada para el c\u00f3mputo de aplicaciones cient\u00edficas. Sin embargo las aplicaciones crecen en complejidad y necesitan m\u00e1s recursos. Unir estos clusters distribuidos usando internet en un multi-cluster puede permitir lograrlo. un problema que se introduce con esta colaboraci\u00f3n es un incremento en la heterogeneidad tanto de c\u00f3mputo como de comunicaci\u00f3n, aumentando la complejidad de dicho sistema lo que dificulta su uso. el objetivo de esta tesis es lograr la reducci\u00f3n del tiempo de ejecuci\u00f3n de aplicaciones, originalmente desarrolladas para un cluster, usando eficientemente un multi-cluster. proponemos una arquitectura del sistema para lograr una m\u00e1quina virtualmulti-cluster transparente a la aplicaci\u00f3n que adem\u00e1s la dota de escalabilidad y robustez tolerando los problemas de la comunicaci\u00f3n por internet. Esta arquitectura propone un master-worker jer\u00e1rquico en el que se introducen elementos claves como los gestores de comunicaci\u00f3n que dotan al sistema de robustez, seguridad y transparencia en las comunicaciones entre clusters a trav\u00e9s de internet. desarrollamos un modelo de prestaciones para poder hacer una estimaci\u00f3n te\u00f3rica del tiempo de ejecuci\u00f3n y de la eficacia de una aplicaci\u00f3n ejecut\u00e1ndose en un multi-cluster. La precisi\u00f3n de las estimaciones es superior al 90%. proponemos una metodolog\u00eda que da un procedimiento que define los pasos para realizar la predicci\u00f3n del tiempo de ejecuci\u00f3n, para garantizar un umbral de eficiencia seleccionando los recursos adecuados y para guiar a la sintonizaci\u00f3n de la aplicaci\u00f3n encontrando los cuellos de botella de la ejecuci\u00f3n.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Performance prediction and tuning in a multi-cluster environment<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Performance prediction and tuning in a multi-cluster environment <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Argollo De Oliveira Dias J\u00fanior Eduardo <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 20\/07\/2006<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Emilio Luque Fadon<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: vicente Hernandez garcia <\/li>\n<li>casiano Rodr\u00edguez le\u00f3n (vocal)<\/li>\n<li>Jos\u00e9 Cunha (vocal)<\/li>\n<li> Rexachs del rosario dolores isabel (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Argollo De Oliveira Dias J\u00fanior Eduardo Los clusters de computadores son una alternativa actual usada para el [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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