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24%
Energy efficiency in the data center
03.08.2023
Home »  Archive  »  2023  »  Issue 76: Energ...  » 
Photo by Ussama Azam on Unsplash
. Since then, this value dropped by around 50 percent to about 8.5W/HDD in 2015 and is currently about 4.3-5.0W for a 16-18TB HDD. Greater energy efficiency means that more power is available for the energy
24%
Big data tools for midcaps and others
20.05.2014
Home »  Archive  »  2014  »  Issue 20: IPv6...  » 
Lead Image © Roman Gorielov, 123RF.com
range of Hadoop services. Amazon offers Elastic MapReduce (EMR) [8], an implementation of Hadoop with support for Hadoop 2.2 and HBase 0.94.7, as well as the MapR M7, M5, and M3 Hadoop distributions
24%
Bringing old hardware back into the game
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Lead Image © Lucy Baldwin, 123RF.com
and doubles the cache size (from 3 to 6MB), in exchange for a small drop in baseline clock speed – 2.3 to 2.2GHz (peak drops from 3.2 to 3.1GHz). Major Surgery Legend has it that no one has ever opened
24%
Warewulf Cluster Manager – Completing the Environment
20.06.2012
Home »  HPC  »  Articles  » 
is to find out whether it runs on the master node when it is booted by using the chkconfig command: [root@test1 etc]# chkconfig --list ... nfs 0:off 1:off 2:off 3:off 4:off 5:off 6
24%
Comparing system rescue distros
27.05.2025
Home »  Archive  »  2025  »  Issue 87: Light...  » 
Lead Image © Kirill Makarov, 123RF.com
an executable Grml installation to a standard USB storage device in next to no time. If you want to do yourself a favor, grab a USB storage device with USB 3.0, which has long been standard. As icing on the cake
24%
Understanding Layer 2 switch port security
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
Lead Image © Taffi, Fotolia.com
) win 512 98:15:eb:38:f3:c1 c8:d7:c1:61:be:a3 0.0.0.0.30693 > 0.0.0.0.57646: S 1759104040:1759104040(0) win 512 dc:6d:43:15:be:52 99:19:41:22:4e:36 0.0.0.0.29211 > 0.0.0.0.63665: S 481173385:481173385(0
24%
Coordinating distributed systems with ZooKeeper
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © smileus, 123RF.com
/test [zk: localhost:2181(CONNECTED) 11] get /test HelloWorld! cZxid = 0xa1f54 ctime = Sun Jul 20 15:22:57 CEST 2014 mZxid = 0xa1f54 mtime = Sun Jul 20 15:22:57 CEST 2014 pZxid = 0xa1f54 cversion = 0
24%
Machine learning and security
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Vlad Kochelaevskiy, 123RF.com
i < 1000: 21 my_data.append(data_w_weekend(i / 1000)) 22 i += 1 23 24 # add some noise 25 random_gain = 0.1 # factor for the noise 26 i = 0 27 while i < 1000: 28 my_data[i] += np
24%
Virtualization via Zones
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Pei Ling Hoo, 123RF.com
directories, sets up links, and copies files into the zone to create the new system's layout (Listings 2 and 3). The installation also creates the zone's chrooted directory /zones/web1 and sets the appropriate ... 0
24%
Listing 6
21.08.2012
Home »  HPC  »  Articles  »  Warewulf 4 Code  » 
 
 will allocate 4 cores 15 ### using 3 processors on 1 node. 16 #PBS -l nodes=1:ppn=3 17 18 ### Tell PBS the anticipated run-time for your job, where walltime=HH:MM:SS 19 #PBS -l walltime=0:10:00 20 21 ### Load

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