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Category Archives: ESXi

SDDC Reference Architecture

I’m pleased to announce the first in a series of reference architectures is now available.

This reference architecture showcases the integrations between VMware vCloud® Suite Enterprise, VMware NSX for vSphere®, and VMware vCenter Log Insight to create an on-demand infrastructure with a secure networking environment. It is based on real-world scenarios, user workloads, and infrastructure system configurations. It uses industry-standard servers, IP-based storage, and 10-Gigabit Ethernet (10GbE) networking to support a scalable and redundant architecture based on vCloud Suite Enterprise version 5.5.

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Big Data Sessions, Demos and Labs at VMworld 2014

There are some really very interesting and useful virtualized Big Data-related talks and demos at VMworld 2014 during the week of the 24th-27th August. Among them is a customer panel at 4-5pm on Monday discussing vSphere, vCAC and Big Data Extensions for managing your virtualized Hadoop workloads as well as a talk from a VMware customer on providing Hadoop-as-a-Service (1-2pm on Monday and again at 2:30pm on Wednesday).

Here is a quick summary of the various Big Data events at the show.  Come by and meet us at the various demo stations where we will show these technologies, as well as at the Hands-On Lab, HOL-SDDC-1409. Hope to see you there!

 

Session Date/Time/Contact
VAPP1428 – Hadoop as a Service:   Utilizing VMware vCloud Automation Center and Big Data Extensions at Adobe Mon, Aug 25, 1-2pm (first occurrence)Wed, Aug 27, 2:30-3:30pm (second occurrence)
VAPP1807 – Best Practices of Virtualizing Hadoop on vSphere – Customer Panel Mon, Aug 25, 4-5pm
VAPP1314 – Scaling Your Storage   Architecture for Big Data – How the Isilon Server Fits Well with Virtual Hadoop   Workloads Tue, Aug 26, 4-5pm
VAPP1859 – Extreme Performance Series:   How to Build a High Performance Platform for Big Data Wed, Aug 27, 8:30-9:30am
HOL-SDDC-1409   – Big Data Extensions   Hands on Lab : All Week
Demonstrations on the VMware booth and   at the Data Lake area of the EMC/EVP booth All Week
Customer Meetings Contact jmurray@vmware.com
VMware Big Data Special Interest Group (SIG) Contact kleong@vmware.com

 

Hadoop moves to 2.0 – Virtualizing the New YARN

Hadoop 2.0, also known as Yet Another Resource Negotiator
(YARN) is the newest generation of the Hadoop technology that is in popular use
today for highly distributed processing and management of big data. YARN is now
shipped by the Hadoop distributors as part of their Hadoop 2.x distributions. YARN
changes the architecture that was inherent in Hadoop 1.0 in order to allow the
system to scale to new levels and to assign responsibilities more clearly to
different components. Looking deeper into the functionality that YARN offers,
it is clear that there are many good reasons for virtualizing it.

We find that the YARN and vSphere technologies are complementary and that they serve mutually beneficial purposes in building your big data clusters.
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vCenter Server 5.5 Update 1b released

Today VMware released an update to its virtualization management solution, vCenter Server. The update brings several fixes as documented in the release notes which can be reviewed in full here.

The new versions are as follows:

  • vCenter Server 5.5 Update 1b | 12 JUN 2014 | Build 1891313
  • vCenter Server 5.5 Update 1b Installation Package | 12 JUN 2014 | Build 1891310
  • vCenter Server Appliance 5.5 Update 1b | 12 JUN 2014 | Build 1891314
    downloaded now from vmware.com

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Does Enhanced vMotion Compatibility (EVC) Affect Performance?

YES!

Now that I’ve scared you, lets take a look at these use cases.

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Checking the vNUMA Topology

I’ve been asked a few times recently how to determine what virtual topology vNUMA recommended and created for us and besides looking at the obvious guest OS for the final result, you can also check the vmware.log file for more detailed information.

Additional background here.

Examples:

1) “Wide and “Flat” virtual machine – default configuration

This virtual machine was configured with 20 vCPUs (20 sockets and 1 corespersocket) on a 4 socket, 10 core, hyper-threading enabled, host:

numa: Exposing multicore topology with cpuid.coresPerSocket = 10 is suggested for best performance

numaHost: 2 virtual nodes, 20 virtual sockets, 2 physical domains

Here we see vNUMA has automatically set corespersocket = 10, which matches the physical topology, and presented 2 “virtual nodes” aka NUMA nodes.

2) Spanning pNUMA nodes – manually configured

This virtual machine was configured with 20 vCPUs (1 socket and 20 corespersocket) on a 4 socket, 10 core, hyper-threading enabled, host:

numa: Setting.vcpu.maxPerVirtualNode=20 to match cpuid.coresPerSocket

numaHost: 1 virtual nodes, 1 virtual sockets, 2 physical domains

Here we see vNUMA has respected the manual configuration and set the vNUMA advanced setting maxPerVirtualNode = 20 which doesn’t match the physical topology.  1 “virtual nodes” aka NUMA node is presented which spans 2 “physical domains,” aka pNUMA nodes.

So searching vmware.log for ‘numa’ and ‘numaHost’ will provide these details and again a reminder to let vNUMA provide the optimal configuration when possible.

SAP HANA Now Supported on VMware vSphere 5.5 for Production Scenarios

Eighteen months ago at SAP SAPPHIRE Madrid 2012, VMware presented impressive performance data showcasing SAP HANA running on vSphere. At that time, vSphere 5.1 received support from SAP to run SAP HANA for non-production scenarios.

After an extended and successful joint testing program with SAP, we’re proud to announce that vSphere 5.5 has achieved production support for SAP HANA.  Today, joint customers can run and scale single node SAP HANA databases up to 1TB in a virtual environment while taking advantage of all of the vSphere features they know and rely on to achieve high availability and improved Quality of Service for their mission critical workloads.

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vSphere Distributed Switch – Network Monitoring

When users adopt the vSphere Distributed Switch (VDS) there is a whole new level to monitoring that becomes available that’s not possible with our vSphere Standard Switch. Industry standard tools such as Port Mirroring and Netflow and our own VDS monitoring called Health Check. These powerful tools not only help to troubleshoot issues or monitor traffic but help to ensure you don’t have issues to begin with.

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App HA 1.1 Released – Now available for download

App HA overview

The latest version of App HA, 1.1, was released last week and is now available for download. This release has a number of cool new features that will greatly increase the usability of App HA. I will do additional post(s) on these in the next few weeks.

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vSphere Distributed Switch – Backup and Restore

Continuing on with features found in the vSphere Distributed Switch, the Backup and Restore capability is a feature I rarely saw used when I was in the field. I saw, and still do see, customers going out of their way to make sure they can backup the vCenter database, and even more so SSO, but if you have to rebuild your vCenter or migrate to a new one and don’t have a backup of your Distributed Switch you’re going to be in for a lot of work.

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