System News
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Articles for the keywords: Performance
06 Mar 2017 MONDAY SPOTLIGHT : Oracle Linux and DTrace [61396]
By Jeff Savit, March 7th, 2017

Jeff blogs, "DTrace is a dynamic tracing facility for performance analysis and troubleshooting that lets system administrators and developers examine running systems, including system calls and kernel actions. DTrace enables you to explore your system to understand how it works, track down performance problems, or locate the cause of errors. DTrace lets you create custom programs or quick "one liners" to dynamically instrument the system and provide immediate answers to arbitrary questions you can formulate using the DTrace D programming language.

DTrace is intended for production systems, and can be used to troubleshoot performance problems and errors by gathering and aggregating information about system behavior..."
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05 Mar 2017 Artificial Intelligence: It's No Longer Science Fiction [61018]
insideHPC, February 24th, 2017

"Computational science has come a long way with machine learning (ML) and deep learning (DL) in just the last year. Leading centers of high-performance computing are making great strides in developing and running ML/DL workloads on their systems. Users and algorithm scientists are continuing to optimize their codes and techniques that run their algorithms, while system architects work out the challenges they still face on various system architectures. At SC16, I had the honor of hosting three of HPC's thought leaders in a panel to get their ideas about the state of Artificial Intelligence (AI), today's challenges with the technology, and where it's going. My guests were Nick Nystrom from Pittsburgh Supercomputing Center (PSC), Ivan Rodero from Rutgers University, and Prabhat from NERSC at Berkeley National Laboratory. They answered both questions I put to them and from the audience..." - insideHPC
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05 Mar 2017 Advancing Modular Supercomputing with DEEP and DEEP-ER Architectures [61004]
HPCWire, February 25th, 2017

"Knowing that the jump to exascale will require novel architectural approaches capable of delivering dramatic efficiency and performance gains, researchers around the world are hard at work on next-generation HPC systems," writes Sean Thielen in HPCWire.

"In Europe, the DEEP project has successfully built a next-generation heterogeneous architecture based on an innovative 'cluster-booster' approach. The new architecture can dynamically assign individual code parts in a simulation to different hardware components based on which component can deliver the highest computational efficiency. It also provides a foundation for a modular type of supercomputing where a variety of top-level system components, such as a memory module or a data analytics module for example, could be swapped in and out based on workload characteristics..."
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04 Mar 2017 Optimistic Incremental Backup [61185]
By Rahul Sisondia

Rahul blogs, "The current incremental backup algorithm scans all the tables to gather changed pages even if very few tables are modified since the previous backup and thus results in a 'full-scan' incremental backup. This may result in increment backups requiring the same amount of time as full backup because it scans all the tables. The new algorithm aims to eliminate this extra time.

The new algorithm scans only those tables that have been modified since the previous backup. This algorithm relies on modification time, which is similar to an earlier improvement made for full backup. That full backup algorithm is known as optimistic full backup, hence new improvement is named 'Optimistic Incremental Backup'. For comparison, we will use optimistic full backup to refer to the performance improvements for full backup and optimistic increment backup for the new improvements to incremental backup..."
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02 Mar 2017 Veeam unveils new Availability integration for Cisco HyperFlex [61170]
Veeam, March 2nd, 2017

Unique direct snapshot integration with Cisco HyperFlex enables Veeam and Cisco to deliver the most advanced Availability requirements enterprises need to forge ahead with their Digital Transformation plans in today's multi-cloud world

Veeam Software, the innovative provider of solutions that deliver Availability for the Always-On Enterprise, has expanded its work with Cisco by launching the direct snapshot integration with the Cisco HyperFlex hyperconverged infrastructure (HCI) platform. The integration of Veeam Availability Suite with the software-defined networking and computing power of Cisco UCS with the Cisco HyperFlex HX Data Platform is designed to deliver simplicity and enhance efficiency in the modern hybrid cloud era, with Veeam enabling enterprises to reduce backup and recovery times and improve overall operational performance.
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