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17%
A closer look at hard drives
18.07.2013
Home »  Archive  »  2013  »  Issue 15: What’...  » 
Lucy Baldwin, 123RF
: XXXXXXXXXXXXXXXXXX 6 Firmware Revision: 2CV102HD 7 Transport: Serial, ATA8-AST, SATA 1.0a, SATA II Extensions, SATA Rev 2.5, SATA Rev 2.6 8 Standards: 9 Used: ATA/ATAPI-7 T13 1532
16%
Linux Writecache
19.11.2019
Home »  HPC  »  Articles  » 
           VG       Fmt  Attr PSize   PFree     /dev/nvme0n1 vg-cache lvm2 a--  232.88g 232.88g   /dev/sdb     vg-cache lvm2 a--   <6.37t  <6.37t Say I want to use 90% of the slow disk: I will carve a logical volume labeled slow  from the volume
16%
Tuning I/O Patterns in Fortran 90
04.12.2013
Home »  HPC  »  Articles  » 
In the second article of this three-part series, we look at simple write examples in Fortran 90 and track the output with strace to see how it affects I/O patterns and performance. ... common in HPC to illustrate these differences: C, Fortran 90, and Python (2.x series). I run the examples on a single 64-bit system with CentOS 6.2 using the default GCC compilers, GCC and GFortran (4.4.6 ... In the second article of this three-part series, we look at simple write examples in Fortran 90 and track the output with strace to see how it affects I/O patterns and performance. ... Tuning I/O Patterns in Fortran 90
16%
Rethinking RAID (on Linux)
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
Lead Image © nikkikii, 123RF.com
B/s (1444kB/s)(82.9MiB/60173msec); 0 zone resets [ ... ] Run status group 0 (all jobs): WRITE: bw=1410KiB/s (1444kB/s), 1410KiB/s-1410KiB/s (1444kB/s-1444kB/s), io=82.9MiB (86.9MB), run=60173-60173msec
16%
Warewulf 4
13.12.2022
Home »  HPC  »  Articles  » 
 Packages: (1/6): dhcp-common-4.3.6-47.el8.noarch.rpm                       902 kB/s | 206 kB     00:00     (2/6): dhcp-libs-4.3.6-47.el8.x86_64.rpm                         3.1 MB/s | 147 kB     00:00     (3/6
16%
Tips and Tricks for Containers
12.05.2020
Home »  HPC  »  Articles  » 
dfb7330c6154b82f3a7e4724fb1b4475c0a95dfdd33",                 "sha256:6c01b5a53aac53c66f02ea711295c7586061cbe083b110d54dafbeb6cf7636bf",                 "sha256:e0b3afb09dc386786d49d6443bdfb20bc74d77dcf
16%
Read-only file compression with SquashFS
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
Lead Image © modella, 123RF.com
:31 FS_scan.csv $ gzip -9 FS_scan.csv $ ls -lsah FS_scan.csv.gz 268K -rw-r--r-- 1 laytonjb laytonjb 261K 2014-06-09 20:31 FS_scan.csv.gz The original file is 3.2MB, but after using gzip with the -9
16%
Read-only File Compression with SquashFS
14.06.2017
Home »  HPC  »  Articles  » 
 -rw-r--r-- 1 laytonjb laytonjb 261K 2014-06-09 20:31 FS_scan.csv.gz The original file is 3.2MB, but after using gzip with the -9 option (i.e., maximum compression), the resulting file is 268KB. The .gz
16%
Network monitoring with Icinga and Raspberry Pi
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © AndreaDanti, 123RF.com
{ 14 use generic-service 15 host_name w2k12srv 16 service_description CPU Load 17 check_command check_nt!CPULOAD!-l 5,80,90 18 } 19 define service{ 20
16%
Modern Fortran for today and tomorrow
17.06.2017
Home »  Archive  »  2017  »  Issue 39: Conta...  » 
Lead Image © homestudio, 123RF.com
into a new era of programming languages. Fortran 95 Very quickly after F90 was released, the Fortran standards group started working on the next evolution: Fortran 95 (F95) [6]. The standard was officially

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