vCenter Server 6.5 High Availability Performance and Best Practices
VMware performance engineers thoroughly tested VCHA with a benchmark that simulates common vCenter Server activities in both regular and worst case scenarios. The result is solid data and a...
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Encrypted vMotion Architecture, Performance, and Best Practices
This paper describes:vSphere 6.5 Encrypted vMotion technology and architectureHow to configure Encrypted vMotion from the vSphere ClientPerformance implications of encrypting vMotion traffic using...
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Interpreting esxtop 4.1 Statistics
Table of ContentsSection 1. IntroductionSection 2. CPUSection 2.1 Worlds and GroupsSection 2.2 PCPUsSection 2.3 Global StatisticsSection 2.4 World StatisticsSection 3. MemorySection 3.1 Machine Memory...
View ArticlePerformance Implications of Storage I/O-Enabled SSD Datastores in vSphere 6.5
This paper shows the advantages of using Storage I/O Control (SIOC) to manage shared storage using SSD. The study shows that administrators can set the performance expectation of VMs in terms of IOPS...
View ArticleDRS Cluster Management with Reservation and Shares
In this paper, we cover the basic concepts of reservation and shares in a DRS cluster with resource pools, and explore the implications of setting reservations and shares for a VM and for a resource pool.
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What's New in Performance in vSphere 6.5?
This paper describes new performance enhancements and features included in vSphere 6.5, all in one place.
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Changelog
IOInsight v1.1.1 [April 12, 2017]Added option to download logs for troubleshootingRemoved 'Send Logs' option as we were not receiving mails from external networks due to mailserver issueFixed support...
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Oracle Monster VM Performance on vSphere 6.5
We tested the performance of "monster" virtual machines running Oracle databases. We ran tests across a range of server generations to illustrate how much performance has increased with each new...
View ArticleBest Practices for Web Servers
Introduction This page is a collection point for ESX Server configuration options that can maximize web server performance regardless of the choice of web server. TCP Transmit Coalescing In a recent...
View ArticleCo-scheduling SMP VMs in VMware ESX Server
BackgroundVMware ESX Server efficiently manages a mix of uniprocessor and multiprocessor VMs, providing a rich set of controls for specifing both absolute and relative VM execution rates. For general...
View ArticleBest Practices for Oracle
While Oracle makes a lot of software for a bunch of purposes, the only best practice guidance available today is for Oracle databases. We'll build out pages dedicated to other Oracle products if and...
View ArticleHyper-Threading on ESX Server
IntroductionThose of us at VMware that regularly engaged with our field or directly with customers are often asked how Hyper-Threading impacts the performance of a system. I've now been asked this...
View ArticleTime-based Measurements in Virtual Machines
IntroductionAll benchmarking relies on accurate time keeping so production can be measured with respect to the passage of time. Because hosted and hypervisor products virtualize the hardware timer,...
View ArticleWindows Server 2003
Please be patient while we build out this content. If you have ideas for additions, mail me! Short list: Always install Service Pack 2. Microsoft changed the interaction with the APIC to improve...
View ArticleGuest-based Performance Measurement
Because VMware products provide a virtual interface to the hardware, traditional performance instrumentation that is based on measuring hardware resources may not be accurate. As a result, Perfmon (in...
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Large Memory Pages
In ESX Server 3.5 VMware introduced support for large memory pages in the guest. Large memory pages, an architecteral feature available in x86 microprocessors for decades, can be used to improve...
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