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26%
Kubernetes networking in the kernel
05.08.2024
Home »  Archive  »  2024  »  Issue 82: Sover...  » 
Lead Image © balein, 123RF.com
repeated the same iPerf bandwidth test. Bandwidth dropped drastically, to less than 400Mbps (Figure 3) because of the extra overhead in encrypting and decrypting the content of each encapsulated packet
26%
I/O benchmarks with Fio
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Kheng Ho Toh, 123RF.com
SUSE 11.3, the benchmark repository offers an up-to-date package [1]. Fio is also included with Fedora. The source code from the tarball or Git repository can be compiled with a simple make, assuming you
26%
Security first with the Hiawatha web server
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Tatiana Popov, 123RF.com
. One easy way to set up a Hiawatha virtual machine is to start up the TurnKey Linux Nginx VM [3], then remove Nginx and add Hiawatha. Start by downloading the TurnKey Linux Nginx VM, a small Linux
26%
HPC Monitoring: What Should You Monitor?
15.01.2014
Home »  HPC  »  Articles  » 
days, then you might be able to capture data about whether a node is alive or dead infrequently, perhaps every 5-15 minutes, or even longer if you like. Checking it once every 3 seconds seems a bit like
26%
System logging for data-based answers
18.02.2018
Home »  Archive  »  2018  »  Issue 43: Real...  » 
Lead Image © Gerard Boissinot, Fotolia.com
(remote syslog) [3], an open source tool for forwarding log messages to a central server using an IP network. It is very configurable using the /etc/rsyslog.conf file and the files in the /etc
26%
Tuning SSD RAID for optimal performance
09.08.2015
Home »  Archive  »  2015  »  Issue 28: SSD RAID  » 
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with four SSDs, the write IOPS decreased with writeback activated from 14,400 to 3,000 – nearly 80 percent fewer IOPS. The only advantage of the write cache is low write latencies for RAID 5 sets. Because
26%
Computational storage that supports storage operations
30.01.2024
Home »  Archive  »  2024  »  Issue 79: Monit...  » 
Lead Image © sdecoret, 123RF.com
the performance limit. The network in particular has seen major innovations in recent years, including the now widely available 400Gb Ethernet, which has quickly passed the buck back to storage devices
26%
Big data tools for midcaps and others
20.05.2014
Home »  Archive  »  2014  »  Issue 20: IPv6...  » 
Lead Image © Roman Gorielov, 123RF.com
for the gaming industry, such as Kognitio [3], are based on Hadoop. Game chips, customer loyalty cards, and even liquor bottles in bars like Aria Hotel and Casino are equipped with RFID tags. This technology
26%
Hadoop for Small-to-Medium-Sized Businesses
06.05.2014
Home »  HPC  »  Articles  » 
, but this solution also lacked robust replication at the time of implementation. Openfiler dropped out of the shortlist, because the system took several days to complete a rebuild of only 3TB of data. Cloud
26%
EGroupware, Group Office, and Kopano compared
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Lead Image © 36clicks, 123RF.com
cross-platform groupware systems with a smartphone or tablet and thus keep their data synchronized, even when on the move. EGroupware The German-based company EGroupware GmbH [3] offers a classic

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