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20%
Finding Memory Bottlenecks with Stream
25.09.2013
Home »  HPC  »  Articles  » 
a(i) = b(i) + c(i) 24 1 TRIAD a(i) = b(i) + q*c(i) 24 2   The Copy benchmark measures the transfer rate in the absence of arithmetic. This should
20%
Shell practice: Introduction to the sed stream editor
09.08.2015
Home »  Archive  »  2015  »  Issue 28: SSD RAID  » 
Lead Image © Dmitriy Sladkov, 123RF.com
' '/[Mm]an/p' sed -n '/[Mm]an/p' textdata.txt 2 All lines except 3 through 5 '3,5!' sed -n '3,5!'p textdata.txt 3 All lines except those containing 'Man
20%
Beyond monitoring: Mathematical load simulation in Perl
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© kudryashka, 123RF.com
of the generic PDQ report for this model (Listing 2). The computed PDQ values are identical to the theoretical predictions for throughput (X = lambda), utilization (rho), queue length (Q ), and residence time (R
20%
When I/O workloads don't perform
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Lead Image © Viacheslav Iakobchuk, 123RF.com
at two-second intervals. Listing 6 iostat Output $ iostat -x -d 2 -c Linux 5.4.12-050412-generic (dev-machine) 03/14/2021 _x86_64_ (4 CPU) avg-cpu: %user %nice %system %iowait
20%
Galera Cluster for MySQL
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Noel Powell, fotolia.com
https://launchpad.net/codership-mysql/5.5/5.5.20-23.4/+download/MySQL-server-5.5.20_wsrep_23.4-1.rhel5.x86_64.rpm wget https://launchpad.net/galera/2.x/23.2.0/+download/galera-23.2.0-1.rhel5.x86_64.rpm
20%
The practical benefits of network namespaces
15.08.2016
Home »  Archive  »  2016  »  Issue 34: Softw...  » 
Lead Image © Morganimation, fotolia.com
_seq=2 ttl=51 time=20.1 ms Namespace Discussion Virtual Ethernet devices are the means through which resources from different namespaces communicate with one another. They always come in pairs
20%
When I/O Workloads Don’t Perform
12.05.2021
Home »  HPC  »  Articles  » 
. Listing 6: iostat Output $ iostat -x -d 2 -c Linux 5.4.12-050412-generic (dev-machine)     03/14/2021     _x86_64_    (4 CPU)   avg-cpu:  %user   %nice %system %iowait  %steal  %idle            0.79    0.07    1.19    2
20%
Getting started with the OpenStack cloud computing framework
28.06.2011
Home »  CloudAge  »  Articles  » 
 
-Manage: novammanage user admin rwartala This process creates an access key and a security key: export EC2_ACCESS_KEY=713211a477a154470fUU ae543346b52e30a0e export EC2_SECRET_KEY=244de6a188aa344e12UU 9521003ac756abbdf
20%
Warewulf Cluster Manager – Completing the Environment
20.06.2012
Home »  HPC  »  Articles  » 
:2:root,bin,daemon sys:x:3:root,bin,adm adm:x:4:root,adm,daemon tty:x:5: disk:x:6:root lp:x:7:daemon,lp mem:x:8: kmem:x:9: wheel:x:10:root mail:x:12:mail,postfix uucp:x:14:uucp man:x:15: games:x:20 ... Warewulf Cluster Manager – Part 2
20%
SMART storage device monitoring
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Lead Image © Sk Design, Fotolia.com
, use the -P show option (Listing 2). Listing 2 Device Details # smartctl -P show /dev/sda smartctl 7.2 2020-07-11 r5076 [x86_64-linux-5.4.0-42-generic] (CircleCI) Copyright (C) 2002-20

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