Condusiv Technologies Blog

Condusiv Technologies Blog

Blogging @Condusiv

The Condusiv blog shares insight into the issues surrounding system and application performance—and how I/O optimization software is breaking new ground in solving those issues.

Condusiv’s V-locity Technology Was Recently Certified as Citrix Ready

by Dawn Richcreek 11. September 2019 09:51

 

We are proud to announce that Condusiv’s V-locity® I/O reduction software has been certified as Citrix Ready®. The Citrix Ready program helps customers identify third-party solutions that enhance virtualization, networking and cloud computing solutions from Citrix Systems, Inc. V-locity, our innovative and dynamic alternative to costly hardware overhauls, has completed a rigorous verification process to ensure compatibility with Citrix solutions, providing confidence in joint solution efficiency and value. The Citrix Ready program makes it easy for customers to identify complementary products and results-driven solutions that can enhance Citrix environments and increase productivity.

 

 

 

Verified Performance Improvements of 50 Percent or More

To obtain the Citrix Ready certification, we ran IOMeter benchmark tests—an industry standard tool for testing I/O performance—on a Windows 10 system powered by Citrix’s XenDesktop virtual desktop access (VDA).  

The IOMeter benchmark utility was set up to run 5 different tests with variations in the following parameters:

 •  Different read/write size packets (512b to 64kb)
 •  Different read/write ratios, i.e. 50% read/50% writes, 75% reads/25% writes
 •  Different mixture of random and sequential I/Os

The tests determined that drastic improvements were made with V-locity enabled versus disabled. With V-locity enabled, we found that performance rates improved around 50% on average. In one test case, IOps (I/Os per second) increased from 2,903 to 5,525, a performance rate improvement of 90%.  

 

 

 

 This chart shows the detailed test results of the 5 test variations:  

 

 

 

We also compared the results of the V-locity Dashboard running the same IOMeter benchmark, with V-locity disabled and then enabled and found some additional improvements.

With V-locity enabled, it was able to eliminate over 8 million I/Os from having to go through the network and storage to get satisfied which immensely increased the I/O capacity of the system.  By knowing the latency times of these ‘eliminated’ I/Os, another improvement to highlight is that it saved more than an hour of storage I/O time.   

 

 

 

Additionally, the workload (amount of data read/written) increased from 169GB to 273GB, meaning 60% more work was being done in the same amount of time.  

 

 

 

 

 

Customers can be confident that V-locity has successfully passed an exhaustive series of tests established by Citrix. The V-locity technology works effectively with Citrix solutions and can provide customers with 50% or more faster performance gain on their heaviest workloads. V-locity allows customers to “set it and forget it,” meaning that once it is installed, systems will instantly improve with little to no maintenance.

Our CEO, Jim D’Arezzo noted, “We are proud to partner with Citrix Systems. It’s important to remember that most I/O performance issues are caused by the operating system, particularly in the Windows environment. When compared to a hardware upgrade, the software solutions Condusiv offers are far more effective—both in terms of cost and result—in increasing overall system performance. We offer customers intelligent solutions that now combine our V-locity with Citrix XenDesk. We can’t wait to continue to work with the trusted partners in the Citrix Ready ecosystem.” 

 

Download free 30-day trial of V-locity

 

Condusiv’s V-locity I/O reduction software has been certified as Citrix Ready

 

 

Two Benefits of V-locity on Virtual Platforms

by karen 16. August 2011 03:36

A major concern with virtual guest operating systems in a virtualized environment is the possible resource contention introduced as each virtual guest operates independent of the others.

With respect to storage, Diskeeper Corporation’s V-locity 3.0 virtual platform disk optimizer mitigates over-utilization in two ways:

First, each V-locity Guest installation coordinates resource scheduling with a centrally installed V-locity Host Agent.  These guests automatically discover the V-locity Host Agent following installation. Once connected together in this fashion, V-locity Guests cooperate to complete each of their defragmentation tasks in a manner most efficient to the virtual server's resources as a whole.  

Second, the automatic zeroing of free space feature ensures that unused space on virtual drives is zeroed out and compacted in such a way that when a virtual guest is migrated to a different virtual server via VMotion, only the allocated data is transferred.  This speeds up the VMotion process and decreases the load on the shared storage subsystem.

RainWorx specializes in Online Auction Software.  Our hosted web sites are mostly our Auction Software customers.  As such, every auction listing (for each customer, on each server) has one or more images associated, so we have a very high volume of images being uploaded which could potentially create a lot of fragmentation.

Bill Moller

RainWorx

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Success Stories | V-Locity

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