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15%
Filesystem Murder Mystery
09.04.2019
Home »  Archive  »  2019  »  Issue 50: Bpfilter  » 
Lead Image © Lucy Baldwin, 123RF.com
in mv ubuntu@aws:~/slow-mv$ strace -t mv 3GB.copy 3GB 19:00:09 execve("/bin/mv", ["mv", "3GB.copy", "3GB"], 0x7ffd0e7dddf8 /* 21 vars */) = 0 19:00:09 brk(NULL) = 0x55cd7d1ce000
15%
Top Top-Like Tools
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
of swap space (1,986,000KB, or about 2GB), the amount of swap space used (0KB), the amount of swap space free (1,986,000KB, or about 2GB), and the amount of cached memory used (942660KB, or about 1GB
15%
An IT nomad's daily diary
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© Kateryna Pruchkovska, 123RF.com
\ 02 --hostname=foo.bar.de --mac- address=00:40:26:CA:10:DD \ 03 --kopts="stage=test app=www" --ksmeta="stage=test app=www" 04 # cobbler system edit --name=foo --interface=eth0 --mac=00:40:26:CA
15%
Routing with Quagga
19.02.2013
Home »  Articles  » 
 interface eth3 09  ip ospf message-digest-key 1 md5 hallo123 10 ! 11 ! 12 router ospf 13  redistribute connected 14  network 172.16.1.0/24 area 0.0.0.0 15  network 172.17.0.0/ 16 area 0.0.0.016  network 192,168.1.0
15%
Finding Memory Bottlenecks with Stream
25.09.2013
Home »  HPC  »  Articles  » 
) 8 (4) 7.2 0.9 Nehalem-EP (2009) 8 (4) 32 4 Westmere-EP (2010) 12 (6) 42 3.5 Westmere-EP (2010) 8 (4) 42
15%
Lustre HPC distributed filesystem
07.04.2022
Home »  Archive  »  2022  »  Issue 68: Autom...  » 
Photo by Efe Kurnaz on Unsplash
=10.0.0.2@tcp device size = 48128MB formatting backing filesystem ldiskfs on /dev/sdb target name testfs:OST0000 kilobytes 49283072 options -I 512 -i 1024 -J size
15%
Tuning SSD RAID for optimal performance
09.08.2015
Home »  Archive  »  2015  »  Issue 28: SSD RAID  » 
Lead Image © ELEN, Fotolia.com
IOPS mark. The latency test illustrates the differences between read and write access. About 0.12ms are added from read only, through 65/35 mixed, to write only in a HWR. The increase is about 0.10ms per
15%
An army of Xeon cores to do your bidding
30.01.2024
Home »  Archive  »  2024  »  Issue 79: Monit...  » 
Lead Image © Lucy Baldwin, 123RF.com
Dell Precision Workstation T7910 Power 1,300W CPU 2x Intel Xeon Gold E5-2699 V4, 22 cores, 2.4GHz, 55MB of cache, LGA 2011-3 GPU, NPU n/a* Memory
15%
Getting started with I/O profiling
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Photosani, Fotolia.com
62 787 10MB < < 100MB 0 0 0 0 0 0 0 2 Table 4 from the MPI strace Analyzer report; all-zero rows for sizes >100MB
14%
Embarrassingly parallel computation
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Lead Image © Lucy Baldwin, 123RF.com
1, 47 MPI_LONG, 48 0, 49 2, 50 MPI_COMM_WORLD); 51 } 52

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