05 mai 2014

Comparatif des performances des antivirus 2013

Encore avec un décalage, voici un comparatif intéressant de l'impact des antivirus sur les ordinateurs : http://www.av-comparatives.org/wp-content/uploads/2013/11/avc_per_201311_en.pdf http://www.av-comparatives.org/performance-tests/     
Posté par jcdemarque à 15:34 - - Permalien [#]
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13 mars 2013

Performance Enhancements in View 5.2

View 5.2 became generally available today, and we wanted to take this opportunity to present a high-level overview of some of the performance enhancements that debut with View 5.2 and PCoIP. In this release, PCoIP’s image cache has been significantly improved to allow users on memory constrained devices to run with much smaller cache sizes; firstly, support was introduced to efficiently handle situations where image content is shifted vertically, as occurs during scroll operations. Secondly, View 5.2 debuts improved cache compression... [Lire la suite]
20 mai 2009

vSphere performance

The last couple of weeks I’ve seen all these performance numbers(most not publicly available though)  of vSphere, one even more impressing than the other. I think every one will agree that the latest one is really impressive, 364.00 IOPS is just insane. There’s no load vSphere can’t handle, when correctly sized of course. But something that even made a bigger impression on me, as a consolidation fanatic, is the following line from the latest performance study:VMware’s new paravirtualized SCSI adapter (pvSCSI) offered 12%... [Lire la suite]
Posté par jcdemarque à 12:02 - - Permalien [#]
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07 novembre 2008

File Server performance improvements with the SMB2 protocol in Windows Server 2008

SMB (Server Message Block) is the main protocol used in Windows for file sharing and it has been significantly improved from Windows Server 2003/Windows XP to Windows Server 2008/Windows Vista. During my TechEd 2008 ITForum presentation on “Windows Server 2008 – File and Storage Solutions”, I covered some details on SMB2 and showed a demo of the improvement in file copy performance from SMB1 to SMB2. The presentation highlighted the main changes in the new version of the protocol, including: Request pipelining allows multiple... [Lire la suite]
Posté par jcdemarque à 16:49 - - Permalien [#]
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