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12 novembre 2012

PASS Summit 2012 : Microsoft ajoute le "in-memory" à SQL Server

La prochaine version de la base de données SQL Server de Microsoft bénéficiera d'une technologie de traitement en mémoire baptisée Hekaton, actuellement testée par plusieurs clients de l'éditeur. Pour accélérer les traitements OLTP, Microsoft est en train...
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21 juin 2011

VMware vFabric 5 optimise la gestion des ressources mémoire

VMware vFabric 5 propose un nouveau modèle de licence (par machine virtuelle) et une optimisation dynamique de la mémoire utilisée par les applications Java. VMware vient d’annoncer la sortie de vFabric 5, sa plate-forme applicative dédiée aux environnements...
4 mai 2011

Understanding Memory Compression in vSphere 4.1

vSphere 4.1 comes with a new performance-enhancing feature called memory compression. It can give your system a performance boost when it starts running low on RAM. Just like swap memory, memory compression is not equal to real memory but can help to...
14 avril 2010

Dynamic Memory Coming to Hyper-V Part 3…

Memory Overcommit, an Overloaded Term… When it comes to virtualization and memory, I regularly hear the term “memory overcommit” used as if it’s a single technology. The problem is that there are numerous techniques that can be employed to more efficiently...
30 mars 2010

Dynamic Memory Coming to Hyper-V Part 2…

====================================================== Preamble: The point of this series, and the spirit in which it is written, is to take a holistic approach at the issues facing our customers, discuss the complexities with regard to memory management...
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18 mars 2010

Dynamic Memory Coming To Hyper-V

Virtualization Nation, I’ve had the pleasure of talking with customers in the last few months and the Hyper-V R2 reception has been nothing but unequivocally positive. Whether it’s been folks in small, medium or the enterprise, they appreciate the new...
11 mars 2010

Reclaiming idle memory

In the “CPU/MEM Reservation Behavior” article there was a lively discussion going on between Chris Huss(vmtrainers.com) and myself. I think the following comment by Chris more or less summarizes the discussion I wasn’t aware that the balloon driver was...
14 septembre 2009

Memory alarms triggered with AMD RVI and Intel EPT?

I’ve reported on this twice already but it seems a fix will be offered soon. I discovered the problem back in March when I did a project where we virtualized a large amount of Citrix XenApp servers on an AMD platform with RVI capabilities. As Hardware...
21 avril 2009

Les limites mémoire dans Windows?

Après les limites de l’Active Directory déjà abordées par Jean-Hubert TALY (un des mes anciens collègues), je me suis aperçu que toutes ces limites sont assez mal connues et posent souvent des problèmes. Si on commence par Windows, la question peut paraître...
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