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18%
Why Good Applications Don’t Scale
13.10.2020
Home »  HPC  »  Articles  » 
. Amdahl’s Law says the speedup is 1.00 (i.e., the starting point). Notice that as the number of processors increases, the wall clock time of the parallel portion decreases. The speedup a increases from 1.00
18%
Darshan I/O analysis for Deep Learning frameworks
27.09.2021
Home »  Archive  »  2021  »  Issue 65: 7 Em...  » 
Photo by Michaela Murphy on Unsplash
[2] (section 3.2). Next, I built the Darshan utilities (darshan-util) with the command: ./configure CC=gcc --prefix=[binary location] Because I'm running these tests on an Ubuntu 20.04 system, I had
18%
MySQL is gearing up with its own high-availability Group Replication solution
17.06.2017
Home »  Archive  »  2017  »  Issue 39: Conta...  » 
Lead Image © lassedesignen, 123RF.com
One important reason for the success of MySQL [1] is asynchronous replication, introduced in the 2001 release 3.23, which allows admins to set up replica instances (slaves) that receive all data
18%
Set up subdomains with Apache and Nginx
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
Lead Image © Saniphoto, Fotolia.com
89.221.14.204... Connected to www.wintermeyer.de. Escape character is '^]'. GET / HTTP/1.1 HOST: www.wintermeyer.de HTTP/1.1 301 Moved Permanently Server: nginx/1.10.3 Date: Fri, 27 Nov 2020 14:00
18%
Secure SSH connections the right way
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Lead Image © Olivier Le Moal, 123RF.com
DEexmOSvtUG0wNFGF/opWQ75lzbwRRs Key ID: "server.example.com" Serial: 0 Valid: from 2021-02-18T03:25:00 to 2021-08-17T04:26:39 Principals: server.example.com 172
18%
Hands-on test of Windows Subsystem for Linux
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
Lead Image Craig Whitehead on Unsplash
(Figure 2). Once the installation is complete, type bash to display the prompt (Figure 1, bottom). Like all applications under Windows, the bash shell shown in Figure 3 is launched from the Start menu
18%
Managing Storage with LVM
07.11.2023
Home »  HPC  »  Articles  » 
B   Total PE              476931   Alloc PE / Size       0 / 0      Free  PE / Size       476931 / <1.82 TiB   VG UUID               o1Td3h-y72R-SR2R-HjHh-3mMG-ekXw-pkALKV Listing 3: Volume Group Information
18%
Processing streaming events with Apache Kafka
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Photo by Mark Decile on Unsplash
payment = new Payment(orderId,**1000.00d); 07 final ProducerRecord record = 08 new ProducerRecord("transactions", 09 payment
18%
OpenStack installation with the Packstack installer
16.08.2018
Home »  Archive  »  2018  »  Issue 46: CMS S...  » 
Lead Image © Tom Wang, Fotolia.com
, Packstack [1] is used for quickly setting up development or demonstration cloud environments. In this article, I present an example of an IaaS-type RDO [2] OpenStack Pike [3] installation using the Packstack
18%
Setting up HTTP/2 for Nginx
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
Photo by Ludomil Sawicki on Unsplash
of the Nginx web server, the ngx_http_v2_module module replaced its predecessor ngx_http_spdy_module in September 2015 (Nginx 1.9.5). April 2016 saw the module enter the stable branch (Nginx 1.10.0) [3

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