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Vmware consolidating disks

Hyperthreading should be disabled by default for production Exchange servers and only enabled if absolutely necessary as a temporary measure to increase CPU capacity until additional hardware can be obtained.

We wish to draw the readers’ attention to the fact that the statement above does NOT imply the existence of ANY technical drawback to enabling hyper-threading for a virtualized Microsoft Lync Server workload.

Instead, the concern is about capacity planning and monitoring.

We share this same concern – this is why we always recommend that our customers size their critical application environment based on the physical processor cores available, and not to the logical cores exposed by hyper-threading.

Cognitive computing, AI, machine learning, and deep learning are often used to describe the same thing, when they actually differ.

We will infer that the recommendation is based on the following statement contained in the Hyperthreading causes capacity planning and monitoring challenges, and as a result, the expected gain in CPU overhead is likely not justified.Data management cloud and enterprise software vendor Informatica has seen a surge in interest for data catalog as organizations grapple with the looming GDPR deadline and data privacy issues.Here's what else the company's CEO sees as big trends in data for 2018.We have documented the performance benefits that we derive from hyper-threading in the “Hyper-threading” section of our Performance Best Practices for VMware v Sphere® 5.5 Guide Similarly, there is no disputing the fact that the Microsoft Windows Operating System is sufficiently modern and advanced to recognize and leverage the benefits of the Non-Uniform Memory Access optimization techniques of modern processor hardware.The writers of the referenced document did not advance any technical rationale for the following recommendation: The most relevant authoritative source for NUMA discussion that we could find on Microsoft’s website is the Best Practices for Virtualizing and Managing Exchange 2013 Guide which, incidentally, has the following favorable statements regarding the benefits of NUMA: ….We at VMware have been fielding a lot of inquiries lately from customers who have virtualized (or are considering virtualizing) their Microsoft Lync Server infrastructure on the VMware v Sphere platform.The nature of inquiries is centered on certain generalized statements contained in the “Planning a Lync Server 2013 Deployment on Virtual Servers” whitepaper published by the Microsoft Lync Server Product Group.The most alarming-sounding argument against enabling hyper-threading when virtualizing a Microsoft application came from the Exchange Server Product group, in the Turn it off.While modern implementations of simultaneous multithreading (SMT), also known as hyperthreading, can absolutely improve CPU throughput for most applications, the benefits to Exchange 2013 do not outweigh the negative impacts….In addition, leveraging security intelligence and integrating security with operations and developer teams can help organizations push the boundaries of innovation.Cloud adoption is growing, but how are organizations taking advantage of it?


  1. After consolidation, redundant disks are removed. The Needs Consolidation column in the vSphere Web Client shows the virtual machines to consolidate.

  2. DELETE SNAPSHOT The snapshot files are consolidated and written to the parent snapshot disk and merge with the virtual machine base disk. Deleting a snapshot leaves the current state of the

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