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9%
Look for Bottlenecks with Open|SpeedShop
21.12.2011
Home »  HPC  »  Articles  » 
             50.000000  smg_relax.c(408) 12         24             50.000000  main.c(516)  openss>>expview -vtrace Fpe Event     Exclusive   Inclusive  % of   Call Stack Function (defining location) Time(d:h:m:s
9%
Simple OpenStack deployment with Kickstack
20.03.2014
Home »  Archive  »  2014  »  Issue 19: Perim...  » 
Lead Image © Mechanik, Fotolia.com
a storage service comparable to Amazon S3 in OpenStack Clouds. Kickstack vs. Packstack Kickstack is not the only tool that enables automatic deployment of OpenStack using Puppet
9%
A Container for HPC
15.08.2016
Home »  Archive  »  2016  »  Issue 34: Softw...  » 
Lead Image © orson, 123RF.com
on Linux systems. Docker uses the Linux kernel features of both cgroups [5] and namespaces [6], as well as a "union" filesystem [7] such as AuFS [8]. This allows the containers to be isolated from one
9%
Application security testing with ZAP in a Docker container
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Lead Image © Maxim Maksutov, 123RF.com
-rf /mutillidae && sed -i 's/DirectoryIndex index.html.*/DirectoryIndex index.php index.html index.cgi index.pl index.xhtml index.htm/g' /etc/apache2/mods-enabled/dir.conf&& sed -i 's/static public \$m
9%
MariaDB MaxScale: A smart proxy for MySQL
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © lightwise, 123RF.com
Scale documentation for the router_options values [6]. Listing 1 MaxScale with Galera Back End 01 [maxscale] 02 threads=4 03 04 [Galera Router] 05 type=service 06 router=readconnroute 07 router
9%
Installing applications in OpenStack with Murano
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © stylephotographs, 123RF.com
.8, the Django formtools [5] were part of this project and all was well. However, a decision was then made to outsource this part. Although this doesn't necessarily have to be a problem, Fedora 22 no longer
9%
Getting the most from your cores
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © ktsdesign, 123RF.com
lines of Python. The psutil documentation [6] discusses several functions for gathering CPU stats, particularly CPU times and percentages. Moreover, these statistics can be gathered with user
9%
OpenNebula – Open source data center virtualization
14.11.2013
Home »  Archive  »  2013  »  Issue 17: Cloud...  » 
Lead Image © Sternenhimmel, fotolia.com
"max_vms" : 10, 12 13 "elasticity_policies" : [ 14 { 15 // +2 VMs when the exp. is true for 3 times in a row, 16 // separated by 10 seconds 17 "expression
9%
Using benchmarks to your advantage
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © Tom De Spiegelaere, 123RF.com
definitely stress the processor(s) and memory, especially the bandwidth. I would recommend running single-core tests and tests that use all of the cores (i.e., MPI or OpenMP). A number of benchmarks
9%
Monitoring KVM instances with Opsview
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Gina Sanders, Fotolia
Since the Linux kernel 2.6.20 release in February 2007, the Kernel-Based Virtual Machine, KVM [1], has made much progress in its mission to oust other virtualization solutions from the market. KVM

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