Главная | Actual Topics | Обратная связь | Guest Book | В избранное | Сделать домашней
 System & Utilities
 Unix News
 OS Emulator
Каталог статей
Все статьи

Биллу Гейтсу тоже предлагают избавиться ...
Вымогательство в борьбе со спамом

March, 2018
Какой из этих ОС Вы отдаете большее предпочтение?

Mac OS
Windows XP
Windows 2003
Что такое ОС? :)

Другие опросы

Всего голосов: 325
Комментарии: 0

Архив Новостей
 March 2018 (5)
 February 2018 (13)
 January 2018 (13)
 December 2017 (14)
 November 2017 (15)
 October 2017 (19)
 September 2017 (18)
 August 2017 (13)
 February 2017 (14)
 January 2017 (19)
 December 2016 (16)
 November 2016 (16)
 October 2016 (21)
 September 2016 (18)
 August 2016 (16)
 July 2016 (16)
 June 2016 (20)
 May 2016 (18)
 April 2016 (15)
 March 2016 (22)
 February 2016 (17)
 January 2016 (15)
 December 2015 (15)
 November 2015 (22)
 October 2015 (20)
 September 2015 (17)
 August 2015 (25)
 July 2015 (20)
 June 2015 (23)
 May 2015 (21)
 April 2015 (17)
 March 2015 (19)
 February 2015 (9)
 January 2015 (23)
 December 2014 (9)
 November 2014 (13)
 October 2014 (12)
 September 2014 (18)
 August 2014 (20)
 July 2014 (10)
 June 2014 (12)
 May 2014 (12)
 April 2014 (10)
 March 2014 (22)
 February 2014 (10)
 January 2014 (8)
 December 2013 (26)
 November 2013 (53)
 October 2013 (40)
 September 2013 (48)
 August 2013 (63)
 July 2013 (56)
 June 2013 (52)
 May 2013 (49)
 April 2013 (67)
 March 2013 (74)
 February 2013 (63)
 January 2013 (62)
 December 2012 (62)
 November 2012 (66)
 October 2012 (68)
 September 2012 (48)
 August 2012 (75)
 July 2012 (60)
 June 2012 (71)
 May 2012 (69)
 April 2012 (85)
 March 2012 (86)
 February 2012 (90)
 January 2012 (81)
 December 2011 (103)
 November 2011 (118)
 October 2011 (74)
 September 2011 (2)
 June 2011 (110)
 May 2011 (118)
 April 2011 (111)
 March 2011 (112)
 February 2011 (101)
 January 2011 (119)
 December 2010 (117)
 November 2010 (118)
 October 2010 (131)
 September 2010 (117)
 August 2010 (226)
 July 2010 (351)
 June 2010 (305)
 May 2010 (319)
 April 2010 (343)
 March 2010 (329)
 February 2010 (311)
 January 2010 (312)
 December 2009 (266)
 November 2009 (156)
 July 2009 (101)
 June 2009 (279)
 May 2009 (365)
 April 2009 (348)
 March 2009 (347)
 February 2009 (323)
 January 2009 (318)
 December 2008 (237)
 November 2008 (155)
 October 2008 (334)
 September 2008 (310)
 August 2008 (343)
 July 2008 (362)
 June 2008 (322)
 May 2008 (550)
 April 2008 (1276)
 March 2008 (1658)
 February 2008 (250)
 January 2008 (6)
 November 2007 (1)
 September 2007 (1)
 June 2007 (1)
 May 2007 (1)
 March 2007 (1)
 January 2007 (2)
 December 2006 (1)
 October 2006 (2)
 September 2006 (1)
 August 2006 (2)

Comparing ESXi 4.1 and ESXi 5.0 Scaling Performance

OS Emulator
Comparing ESXi 4.1 and ESXi 5.0 Scaling Performance

In previous articles on VROOM! we used VMmark 2 to investigate the effects of altering a single hardware component, such as a storage array or server model, in a vSphere cluster. In contrast to these earlier studies, we now examine the effects of upgrading the hosts’ software from ESXi 4.1 to ESXi 5.0 on the performance of a VMmark 2 cluster.

vSphere 5 includes many new features and virtual machine enhancements, the details of which can be found here. To the IT professional weighing the costs and benefits of upgrading their existing infrastructure to vSphere 5, an often important question is whether ESXi 5.0 can outperform ESXi 4.1 in the same environment. VMmark 2 is an ideal tool for answering this question with measurable results. We used VMmark 2.1.1 to see how ESXi 5.0 stacked up to ESXi 4.1 on an identically configured cluster.

VMmark 2 is a multi-host virtualization benchmark that models application performance as well as the effects of common infrastructure operations such as vMotion, Storage vMotion, and virtual machine deployments. Each VMmark tile contains a set of VMs running diverse application workloads as a unit of load. VMmark 2 scores are computed as a weighted average of application workload throughput and infrastructure operation throughput. For more details, see the overview, release notes for VMmark 2.1, and for 2.1.1.

Testing Methodology

All VMmark 2 tests were conducted on a cluster of four identically configured entry-level Dell Power Edge R310 servers. To determine the impact of the vSphere 5 environment on performance, a series of tests was conducted with these hosts running ESXi 4.1, then with ESXi 5.0. In addition, for the vSphere 5 environment, the virtual machine hardware and VMware Tools were upgraded on all workload VMs, and LUNs were reformatted as VMFS5. All other components in the environment remained unchanged during testing.

Systems Under Test: Four Dell PowerEdge R310 Servers
CPUs: One Quad-Core Intel® Xeon® X3460 @ 2.8 GHz, hyper-threading enabled per server
Memory: 32GB DDR3 ECC @ 800 MHz per server
Storage Array: EMC VNX5500
Hypervisors under test:
     VMware ESXi 4.1
     VMware ESXi 5.0
Virtualization Management: VMware vCenter Server 5.0
VMmark version: 2.1.1


To characterize cluster performance at multiple load levels, we increased the number of tiles until the cluster reached saturation, defined as when the run failed to meet Quality of Service (QoS) requirements. Scaling out the number of tiles until saturation allows us to determine the maximum VMmark 2 load the cluster could support and to compare the ESXi 4.1 and ESXi 5.0 configurations at each level of load.

The graph below shows the results of the VMmark 2 testing as described above with identically configured clusters running ESXi 4.1 and ESXi 5.0. All data points are the mean of three tests in each configuration. 


The ESXi 4.1 cluster reached saturation at 3 tiles, but ESXi 5.0 was able to support 4 tiles while still meeting workload Quality of Service requirements. The ESXi 5.0 cluster also outperformed ESXi 4.1 by 3% and 4% on the two and three-tile runs, respectively. Differences in CPU utilization were negligible. The results show that, in an equivalent environment, vSphere 5 handled greater load than ESXi 4.1 before reaching saturation, and showed increased performance at lower levels of load as well. At saturation, vSphere 5 showed a 22% increase in overall VMmark 2 scores over ESXi 4.1. In this cluster, vSphere 5 supported 33% more VMs and twice the number of infrastructure operations while meeting Quality of Service requirements.

VMmark 2 scores are based on application and infrastructure workload throughput, while application latency reflects Quality of Service. For the Mail Server, Olio, and DVD Store 2 workloads, latency is defined as the application’s response time. The completion time for vMotion, Storage vMotion, and VM Deploy is used as the latency measurement for the infrastructure operations. Latency can be very informative about the functioning of the environment and how the cluster as a whole performs under increasing loads. Examining latency at a 3-tile load, as seen in the figure below, reveals significant differences between the hypervisor versions. Latencies were normalized to the ESXi 4.1 results.


We saw decreases in latency for all VMmark 2 workloads with vSphere 5. The latency decreases were most striking in Olio, Storage vMotion, and DVD Store 2, with decreases of 20%, 19%, and 15%, respectively. These improvements to vMotion and Storage vMotion are consistent with publicized improvements in vMotion and Storage vMotion latency for vSphere 5 (details here).

A VMmark 2 run passes when all of its application QoS metrics, or latencies, remain below a specified threshold. These decreases in latency with ESXi 5.0 are directly related to why ESXi 5.0 was able to support an additional tile relative to ESXi 4.1.

Our comparison has shown that upgrading an ESXi 4.1 cluster to vSphere 5 had two high-level effects on performance. The vSphere 5 cluster supported 33% more VMs at saturation than the ESXi 4.1 cluster, and it also exhibited improved latency and throughput at lower levels of load, showing that ESXi 5.0 does outperform ESXi 4.1.

       Download VMware Products  | Privacy  | Update Feed Preferences 
        Copyright © 2010 VMware, Inc. All rights reserved.


Разместил: VMware | Дата: 04.11.2011 | Прочитано: 785 | Раздел: OS Emulator   

Рейтинг статьи

Средняя оценка: 0.00/0Средняя оценка: 0Всего голосов:0

Хорошо Нормально Пойдёт Плохо

Смотрите также связанные темы

20.03.2008 Peter Penz: Pictures have Frames
When comparing Dolphin with other file managers like the Vista Explorer or Finder I always was jealous because of the nice frames they provided for picture previews. I initially thought providing frames for pictures in Dolphin can wait until KDE 4.2, as there are more important issues to solve.But as soon I've added this feature to my TODO-list, I could not get this task out of my head... I recognized that obviously all nice pictures of this world seem to have frames: whether you go to an exhibition or take a look on a newspaper - nearly everywhere pictures have frames.So Dolphin has now frame...
11.03.2015 VMware ответила на обвинение в нарушении условий лицензии GPL в коде ESXi
На официальном сайте компании VMware был опубликован пресс-релиз с ответом на обвинение со стороны организации Software Freedom Conservancy (SFC) в нарушении условий лицензии GNU GPL при разработке VMware ESXi. Напомним, что 5 марта 2015 г. разработчик ядра Linux Кристоф Хеллвиг (Christoph Hellwig) при содействии юристов SFC подал иск на VMware, обвиняя эту компанию в использовании частей кода, написанных им для ядра…
06.04.2008 Tom Albers: Dutch Joomla!-Days.
Today I went to Utrecht where the Dutch Joomla!-days took place. I was quite surprized by the size of the event, it was three times as big as I expected, with 5 parallel sessions and a lot of international core-developers. It was interesting in more than one way. During some of the presentation some bits of the release process were presented, basically they want to do a 4-6 month cycle, 2,5 months of development and 1,5 month of testing, documenting and releasing. Of course I could not resist in constantly comparing the stuff they do with how we do it within KDE. I'm interested in one particul...
12.12.2013 A brief history of Dolphin’s performance and memory usage
Since I took over Dolphin’s maintainership almost a year and a half ago, we have not only fixed lots of bugs and improved many details which make Dolphin more pleasant to use, but also made quite a few changes under the hood to make Dolphin faster and less memory-hungry. The other day, I compiled a few different Dolphin versions and ran some benchmarks to see how much has changed during the past 18 months. The most straightforward way to get an idea of an application’s performance is to see how it can handle a large amount of data, so I created 100,000 empty files in a new director...
31.07.2008 Ariya Hidayat: Be my mirror, my sword and shield
The real blog title should be: experimental live tab (thumbnail) preview in Arora. The nice thing about hacking on QtWebKit. The victim is However, the fun just starts now. Remember HTML 5 video support? If you open a tab and plays a video there, then you switch to another tab, then hover the cursor on the previous tab, you can see that the preview is live! [4] The video even plays in that tiny little window. Since it is impossible to show this live preview feature in a completely static screenshot, I made a 133-second screencast and put it on YouTube. See my cloned Arora repository, under th...
02.01.2013 Zeitgeist 1.0 almost there (call for hackers)
So after 4 years of development Zeitgeist is reaching 1.0. The Zeitgeist team has reached a big goal/milestone What’s new? New libzeitgeist2: instead of libzeitgeist which was developed and hosted on Launchpad now reuse and expose our own internal Vala components. When comparing libzeitgeist2 to libzeitgeist we can see over 65% less code (thanks to Vala) with 90% compatibilty with libzeitgeist. (libqzeitgeist not affected) GObject Introspection support Faster performance Testing with 100k events DB here are some plots, those are peromances of synapse and standard time based quer...
07.12.2009 Cyrille Berger: Discussing Krita, digital painting with David Revoy
For the next releases of Krita, we decided to pick up a specific artist, with a specific work flow, and to implement and fix the issue that he needs. For 2.2 (and probably 2.3), we have chosen David Revoy who has come recently to fame for his involvement in the durian project of the Blender project. Since he lives in Toulouse, and since I still live in Toulouse for the next two weeks, we felt it was a good opportunity to met and to talk about what is Krita, and to get a feel of what he needs. On Tuesday, after work, I went to his apartment. First he showed me a bit what he needs, especially in...
10.03.2010 Lubos Lunak (llunak): On benchmarks
Do you know this one? Phoronix tested md5sums of ISO images of distributions. The winner was openSUSE, scoring e29311f6f1bf1af907f9ef9f44b8328b, which gave it a noticeable lead before second Slackware (b026324c6904b2a9cb4b88d6d61c81d1), which is quite closely followed by Fedora (9ffbf43126e33be52cd2bf7e01d627f9) and Debian (9ae0ea9e3c9c6e1b9b6252c8395efdc1). The difference between these two distributions, as you can see, is only very small. Ubuntu completely flopped in this test, achieving only 1dcca23355272056f04fe8bf20edfce0, which is surprising, especially considering that its previous rele...
08.04.2010 Adenilson Cavalcanti (Savago): Lies, big fat lies and benchmarks
There is the old saying, ‘there are lies, big fat lies and there are benchmarks’, but after my previous post about the jsanim, it was time to try to measure how good or bad the javascript based animations are when comparing it against Plasma::Animations (written in C++). == what to measure? == The first task was to have a meaningful number and frames per second (FPS) sounds like a good idea. The only issue is that QGraphicsView will only update parts in the scene that need redrawing (besides it seems that there is not an easy way to access the draw events without subclassing). My s...
26.04.2010 Robin Burchell (w00t): Every time you scale a pixmap, God kills a kitten.
I've had a fun weekend.Carsten Munk, of Mer and other fame got me interested in insane schemes (once again): this time playing around with libdui (or libmeegotouch, as it is now apparently known), as we had repeatedly heard from many sources that it relied on GL, which meant that it couldn't be used with devices that require software rendering. Having found the -software flag to widgetsgallery, and poked around the source of DUI in the past, I thought this was a bit of a funny claim to make, until we actually used it and found out how horribly slow it was. Maybe they had a point?Why ...
Нет комментариев. Почему бы Вам не оставить свой?
Вы не можете отправить комментарий анонимно, пожалуйста зарегистрируйтесь.
Google Search


Топ Новостей
Нет содержания для этого блока!
Google 120X240

Главная | Actual Topics | Статьи | Обратная связь | Guest Book
Генерация: 0.897 сек. и 13 запросов к базе данных за 0.845 сек.
Powered by SLAED CMS © 2005-2007 SLAED. All rights reserved.