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38%
Hardware suitable for cloud environments
30.11.2020
Home »  Archive  »  2020  »  Issue 60: Secur...  » 
Lead Image © Orlando Rosu, 123RF.com
to 400Gbps per port (Figure 2). In this way, you can build a typical spine-leaf architecture. Each rack acts as a separate Layer 2 domain, and the switches use internal (i)BGP and route the traffic between
38%
SC24 – Bursting at the Seams
07.01.2025
Home »  HPC  »  Articles  » 
SC24 took place in Atlanta, GA, November 17-22. As I'm writing this, 17,959 attendees – that’s 3,000+ more than last year – registered. More than 500 companies filled the exhibition floor, which
38%
The SDFS deduplicating filesystem
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © maridav, 123RF.com
: mkfs.sdfs --volume-name=pool3 --volume-capacity=400GB \ --chunk-store-local false --cluster-block-replicas=3 If a DSE fails, the others step in to take its place. However, this replication has
38%
A ptrace-based tracing mechanism for syscalls
06.10.2022
Home »  Archive  »  2022  »  Issue 71: Kuber...  » 
Photo by Nadjib BR on Unsplash
_PRELOAD, as well. libiotrace: Just Another Profiling Tool? A typical CPU computes data faster than data can be fetched from or stored to main memory (the so-called memory wall) [3]. Storage only exacerbates
38%
Detect failures and ensure high availability
22.05.2023
Home »  Archive  »  2023  »  Issue 75: Teamwork  » 
Photo by Tim Foster on Unsplash
a secondary (local) drive with the exact same capacity on each, /dev/sdb: $ cat /proc/partitions|grep sd 8 0 10485760 sda 8 1 1024 sda1 8 2 1835008 sda2 8 3
38%
Automation with Chef
30.05.2021
Home »  Archive  »  2021  »  Issue 63: Autom...  » 
Photo by Pablo Bustos on Unsplash
necessary. Components A typical Chef environment contains different components depending on the desired scope [3]. The minimum setup that will let you proceed is the Chef Infra Client, which plays the role
38%
Let the hardware do the heavy lifting
09.06.2018
Home »  Archive  »  2018  »  Issue 45: Autom...  » 
Photo by Victor Freitas on Unsplash
into dedicated hardware. This trend will only exacerbate with the arrival of 200/400-gigabit Ethernet (GbE) in 2019, and 800GbE shortly after that; hence, the window for CPU offload will remain open
38%
Designate provides DNS as a Service in OpenStack
13.02.2017
Home »  Archive  »  2017  »  Issue 37: Distr...  » 
Lead Image © Gabriele Maccaroni, 123RF.com
.g., www.example.com ). To that end, a corresponding A record (or AAAA [quad-A] record for IPv6) must be stored for a domain, and a corresponding PTR record (which refers to the A record) must be created
38%
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
38%
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

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