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17%
MAT: Monitor your infrastructure with Netdata
27.05.2025
Home »  Archive  »  2025  »  Issue 87: Light...  » 
Lead Image © Natalia Lukiyanova, 123RF.com
, it is basically quite simple. The Netdata agent, which runs directly on the customer systems and accesses the data of the services to be monitored there, is licensed under version 3 of the GNU General Public
17%
Processor and Memory Affinity Tools
14.09.2021
Home »  HPC  »  Articles  » 
 $(find /sys/devices/system/cpu -regex ".*cpu[0-9]+/topology/thread_siblings_list") | sort -n | uniq 0,32 1,33 2,34 3,35 4,36 5,37 6,38 7,39 8,40 9,41 10,42 11,43 12,44 13,45 14,46 15,47 16,48 17,49 18,50 19,51 20,52 21,53 22,54 23,55 24,56 25
17%
Caching with CacheFS
07.07.2020
Home »  HPC  »  Articles  » 
. This architecture allows FS-Cache to use alternative caching mechanisms. The first implementation of CacheFS was developed by Sun Microsystems in 1993 for the Solaris 2.3 operating system. After that, other versions
17%
Storage across the network with iSCSI and Synology DiskStation Manager
04.12.2024
Home »  Archive  »  2024  »  Issue 84: Non-R...  » 
Lead Image © Vladimir Nenov, 123RF.com
. In this case you will select the Quiet Mode Option. The final touch will be to make sure you get alerts when something fails at 3:00am, so you will be notified (or not). The Beep Control option is especially
17%
Udev with virtual machines
14.11.2013
Home »  Archive  »  2013  »  Issue 17: Cloud...  » 
Lead Image © orangeline, 123RF.com
kernel ordinal number (%n). Listing 3 70-persistent-net.rules Rules for KVM: SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="52:54:00:*", KERNEL=="eth*", NAME="eth%n" Rules
17%
Data Analysis with R and Python
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © mopic, 123RF.com
reports – with the help of web technologies such as HTML, JavaScript, jQuery [3], and CSS3, which Python creates in combination with R and the MongoDB [4] database. Comet Rising Figure 1 shows how
17%
Why Good Applications Don’t Scale
13.10.2020
Home »  HPC  »  Articles  » 
be parallelized). For one process, the wall clock time is assumed to be 1,000 seconds, which means that 200 seconds of the wall clock time is the serial portion of the application. From Amdahl’s Law, the minimum
17%
What is an IOPS Really?
24.02.2022
Home »  HPC  »  Articles  » 
, an “accepted” payload has been created for measuring IOPS. This size is 4KB. The kilobyte is defined as 1,000 bytes and is grounded in base 10 (10^3). Over time, kilobyte has been incorrectly used to mean
17%
Storage protocols for block, file, and object storage
30.05.2021
Home »  Archive  »  2021  »  Issue 63: Autom...  » 
Photo Johannes Plenio on Unsplash
the SCSI overhead. For example, command queuing in SCSI supports only one queue for I/O commands, whereas NVMe allows up to 64,000. Each queue, in turn, can service up to 64,000 commands simultaneously
17%
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

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