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28%
Tuning SSD RAID for optimal performance
09.08.2015
Home »  Archive  »  2015  »  Issue 28: SSD RAID  » 
Lead Image © ELEN, Fotolia.com
time, you need to add the track change time (seek time). Finally, throughput is defined as the data transfer rate in megabytes per second (MBps) and is typically measured for larger and sequential I
28%
Secure containers with a hypervisor DMZ
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © lightwise, 123RF.com
of Kata Containers go back further than 2017, and the project brings together efforts from Intel and the Hyper.sh secure container hosting service: Clear Containers [6] or runV [7]. Kata Containers use
28%
A closer look at hard drives
18.07.2013
Home »  Archive  »  2013  »  Issue 15: What’...  » 
Lucy Baldwin, 123RF
-generation SSD, being tested on a 3Gbps SATA 2 bus. I have an 80GB Intel 320 SSD, performing remarkably close to its specified sequential read rating of 270MBps [1], but it is the second-generation drive
28%
Transcoding optical media in Linux
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Lead Image © Pavol Stredansky
with up to 3840x2160 pixels. The larger volumes of data come at a price: Blu-ray technology requires considerably more powerful hardware. A typical video CD data rate is around 1.5Mbps, with up to 10Mbps
28%
Monitoring NFS Storage with nfsiostat
12.03.2013
Home »  HPC  »  Articles  » 
is shown in Listing 1. Listing 1: Sample nfsiostat Output Linux 2.6.18-308.16.1.el5.centos.plus (home8) 02/10/2013 _i686_ (1 CPU) 02/10/2013 03:38:48 PM Filesystem: rMB_nor/s w
28%
Monitor Your Nodes with collectl
28.03.2012
Home »  HPC  »  Articles  » 
1267 2125 0 0 6152 14 0 0 0 0 2 1 1371 2104 0 0 42024 92 0 0 0 0 8 6 2173 2574 0 0 216276 474
28%
I/O benchmarks with Fio
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Kheng Ho Toh, 123RF.com
and 4,000 I/O operations per second (IOPS) for random reading are within a plausible range for an SSD (see Table 1 and "IOPS Reference Values" box). The results with 65,000 IOPS and 260 MBps
28%
Fundamentals of I/O benchmarking
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Kheng Ho Toh, 123RF.com
accessing the storage, the greater the overhead becomes, again reducing the cumulative output. There is an optimal number of threads, as you can see in Figures 5 and 6. Depending on the application, you
28%
Monitor your nodes with collectl
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© nobeastsofierce, 123RF.com
with a similar noarch RPM or from source. Be sure to watch for the RPM dependencies – in particular, the tool called ColPlot [5] uses Apache (web server) and gnuplot [6] to plot the results. To start, I'll assume
28%
Asynchronous PostgreSQL
12.09.2013
Home »  Archive  »  2013  »  Issue 16: Docker  » 
Lead Image © Fesus Robert, 123RF.com
_family=AF_INET, sin_port=htons(5432), ... sendto(4, "\0\0\0\20\4\322\26.\0\0.\0016\252\36\264", 16, 0, NULL, 0) = 16 recvfrom(4, "", 1, 0, NULL, NULL) = 0 close(4) = 0 poll([{fd=3

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