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25%
Linux Software RAID
10.12.2023
Home »  HPC  »  Articles  » 
) The table presents some interesting information. You can think of the space efficiency as a percentage. For example, with four storage devices (N  = 4), RAID 0 is 100% space efficient (it’s always 100
25%
Enlarging the TCP initial window
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Photo by Jani Brumat on Unsplash
's standards. TCP includes the SMTP protocol for email and HTTP/1.1 and /2.0; therefore, all TCP stack optimizations have a positive effect on performance. In this article, I take a look at the TCP initial
25%
Automate CentOS and RHEL installation with PXE
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Michael Kempf, Fotolia.com
08 # Network information 09 network --device=bond0 --bondslaves=ens1f0,ens1f1 --bondopts=mode=802.3ad,miimon-100 --bootproto=dhcp --activate 10 network --hostname=server.cloud.internal 11 network
25%
HPC Storage – I/O Profiling
26.01.2012
Home »  HPC  »  Articles  » 
. rMB/s: Number of megabytes read from the device per second. wMB/s: Number of megabytes written to the device per second. avgrq-sz: Average size (in sectors) of the requests issued to the device
25%
Application virtualization with Docker
08.10.2015
Home »  Archive  »  2015  »  Issue 29: Rescu...  » 
Lead Image © Oleksiy Mark, 123RF.com
. Container 2.0 with Docker Docker is a real shooting star. The first public release only arrived on the market in March 2013, but today it is supported by many well-known companies. It is, for example
25%
Monitoring HPC Systems
11.06.2014
Home »  Archive  »  2014  »  Issue 21: Manag...  » 
Lead Image © Alexander Rivosh, 123RF.com
-gmond-3.6.0-1.x86_64.rpm Preparing... ########################################### [100%] 1:libganglia ########################################### [ 33%] 2:ganglia
25%
I/O benchmarks with Fio
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Kheng Ho Toh, 123RF.com
creates a 256MB file in the current directory along with process for the job. This process reads complete file content in random order. Fio records the areas that have already been read and reads each area
25%
networkd and nspawn in systemd
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Kritiya Sumpun, 123RF.com
Network Configuration (2) [Match] Name=docker0 [Network] DNS=192.168.100.1 Address=192.168.100.42/24 Gateway=192.168.100.1 Before the bridge device can be configured, you first need to make sure
25%
Systemd network management and container handling
13.06.2016
Home »  Archive  »  2016  »  Issue 33: IPv6...  » 
Lead Image © Kritiya Sumpun, 123RF.com
] Name=docker0 [Network] DNS=192.168.100.1 Address=192.168.100.42/24 Gateway=192.168.100.1 Listing 3 Network Configuration (2) [Match] Name=enp2s25 [Network] Bridge=docker0
25%
The Benefit of Hybrid Drives
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © Vaclav Volrab, 123RF.com
simulates a lottery with 100 tickets. Each ticket contains the name of a 100MB test file. In total, there are 10 different, equally large test files (called a to j ), but they occur a different number

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