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17%
Improved Performance with Parallel I/O
24.09.2015
Home »  HPC  »  Articles  » 
. The speed-up increases from 1.00 with one process to 4.71 using 64 processes. Of course, the wall clock time for the serial portion of the application does not change; it stays at 200 seconds regardless
17%
OpenMP – Parallelizing Loops
03.04.2019
Home »  HPC  »  Articles  » 
that executed on the GPUs and produced massive speedups for many applications. Starting with OpenMP 4.0, the OpenMP standard added directives that targeted GPUs and has expanded on this capability
17%
Scalable mail storage with Dovecot and Amazon S3
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © Vlad Kochelaevskiy, Fotolia.com
. The existing cloud computing solutions have brought a whole wave of different stores into the limelight. Red Hat acquired Ceph [1]-[3] and introduced its own Storage Server [4] as a solution for storing objects
17%
Automatic build and deploy with OpenShift and GitLab CI
04.10.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
Photo by Jantine Doornbos on Unsplash
, the Internet of Things, software quality, and IT systems trust and security. What better way to present OpenShift and illustrate the CI/CD workflow than to present several slides, written with the reveal.js [4
17%
11 Tricks for Windows servers
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Lead Image © Kati Molin, Fotolia
3: The weightings of the LDAP requests are shown in the DNS properties. 4. Blocking DNS Queries In Windows Server 2016 and 2019, DNS policies can be defined to block queries from clients
17%
Fixing Ceph performance problems
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Lead Image © Kritiya Sumpun, 123RF.com
storage by splitting up these files and putting them back together again later. When the user uploads a file to RADOS, the client breaks it down into several 4MB objects before uploading, which RADOS
17%
Layer 3 SDN
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Lead Image © Kirsty Pargeter, 123RF.com
, Calico supports both OpenStack … © OpenStack, Apache-2.0 [2] Figure 2: … and Kubernetes, plus several other solutions. © Kubernetes, CC BY 4.0 [3
17%
Hardware suitable for cloud environments
30.11.2020
Home »  Archive  »  2020  »  Issue 60: Secur...  » 
Lead Image © Orlando Rosu, 123RF.com
, broken down by month. From this, in turn, the total monthly costs for two 1Us in the rack can be derived (Figure 4). Figure 4: Servers such as Dell's R740
17%
Use Linux Containers with WSL2 on Windows
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Photo by Muneeb Syed on Unsplash
kernel, and a native ext4 filesystem, which makes it perfect for virtualizing containers. Likewise, Docker integration has been improved. When it comes to virtualizing Linux containers on Windows, you
17%
Getting started with Prometheus
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Photo by Clay LeConey on Unsplash
.tar.gz tar -zxf alertmanager.tar.gz ./alertmanager --config.file=alertmanager.yml & The sample YAML config file in Listing 4 sends email by Alertmanager when an alert fires. A user interface will be available

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