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29%
HPC Storage – I/O Profiling
26.01.2012
Home »  HPC  »  Articles  » 
)? Should I use InfiniBand for the compute node storage traffic or will GigE or 10GigE be sufficient? Do I use 15,000 rpm drives or should I use 7,200 rpm drives? Do I need SSDs (Solid State Disks)? Which
29%
History and use of the mail utility
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Vlad Kochelaevskiy, fotolia.com
[<-] 334 VXNlcm5hbWU6 [->] Y2hyaXNiaW5uaWUzQGdtYWlsLmNvbQ== [<-] 334 UGFzc3dvcmQ6 [<-] 235 2.7.0 Accepted [->] MAIL FROM: [<-] 250 2.1.0 OK t2fjm4427fd213ply.2523 - gsmtp [->] RCPT TO
29%
Embarrassingly parallel computation
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Lead Image © Lucy Baldwin, 123RF.com
PI resulting in a brief burst of computation on cores 0, 1, and 6 (Figure 4) and an approximation of pi (purely out of randomness and geometry) to 3.139, computed in just half a second (Figure 5). Executing
29%
Parallel Shells: Run Commands on Multiple Nodes
02.07.2014
Home »  HPC  »  Articles  » 
   free   buff  cache   si   so    bi    bo   in   cs us sy id wa st 192.168.1.4:  1  0      0 30198704 286340 751652    0    0     2     3   48   66  1  0 98  0  0 192.168.1.250: procs
29%
Computational storage that supports storage operations
30.01.2024
Home »  Archive  »  2024  »  Issue 79: Monit...  » 
Lead Image © sdecoret, 123RF.com
was maintained during testing. Both the 3.84TB and the 7.68TB CSD 3000 drives are in a range between 850,000 and 900,000 IOPS, but writing with the same block size leads to significantly different results
29%
Energy efficiency in the data center
03.08.2023
Home »  Archive  »  2023  »  Issue 76: Energ...  » 
Photo by Ussama Azam on Unsplash
to Bitkom [1], Germany alone has more than 3,000 data centers with greater than 40kW of IT connection capacity and at least 10 server racks, as well as around 47,000 smaller IT installations, and the trend
29%
Two NexentaOS derivatives compared
16.05.2013
Home »  Archive  »  2013  »  Issue 14: Samba 4  » 
© iofoto, fotolia.com
client No Disk Architecture JBOD No RAID levels 0, 1, 5, 6, 10 Global spare disk Yes Filesystems (Internal) ext3 No ext4
29%
Failure to Scale
03.07.2013
Home »  HPC  »  Articles  » 
application, the speedup limit is 5.0. With a little math and a little computation, the asymptotic value of a is as shown in Figure 3. Figure 3: Asymptote
29%
High availability clustering on a budget with KVM
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Yulia Saponova, 123RF.com
Manager (CLVM) is used to mount the shared storage. Architecture The two physical cluster nodes in this article each have four network cards: eth0 through eth3 . The first (eth0 ), and third (eth2 ... 0
29%
Parallel and Encrypted Compression
09.12.2021
Home »  HPC  »  Articles  » 
 -e package-list.txt Enter passphrase: Re-enter passphrase: Output filename is: package-list.txt.lrz package-list.txt - Compression Ratio: 2.537. Average Compression Speed:  0.000MB/s. Total time: 00:00:05.11 Listing 11

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