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37%
When I/O workloads don't perform
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Lead Image © Viacheslav Iakobchuk, 123RF.com
%util sda 10.91 6.97 768.20 584.64 4.87 18.20 30.85 72.31 13.16 20.40 0.26 70.44 83.89 1.97 3.52 nvme0n1 58.80 12.22 17720.47 48.71 230
37%
When I/O Workloads Don’t Perform
12.05.2021
Home »  HPC  »  Articles  » 
  30.85  72.31   13.16   20.40   0.26    70.44    83.89   1.97   3.52 nvme0n1         58.80   12.22  17720.47     48.71   230.91     0.01  79.70   0.08    0.42    0.03   0
36%
What's your status (page)?
28.11.2023
Home »  Archive  »  2023  »  Issue 78: Domai...  » 
Lead Image © Tatiana Venkova, 123RF.com
_http_status_healthy_below = 400 28 poll_delay_dead = 30 29 poll_delay_sick = 10 30 push_delay_dead = 20 31 push_system_cpu_sick_above = 0.90 32 push_system_ram_sick_above = 0.90 33 script_interval = 300 34 local_delay_dead = 40 35
36%
Network analysis with the Bro Network Security Monitor
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Aleksey Mnogosmyslov, 123RF.com
var/opt/bro/logs Subdirectories ls -l /var/opt/bro/logs/ total 244 drwxr-xr-x. 2 root root 4096 Oct 20 00:00 2014-10-19 drwxr-xr-x. 2 root root 12288 Oct 21 00:00 2014-10-20 drwxr-xr-x. 2 root root
36%
Warewulf Cluster Manager – Completing the Environment
20.06.2012
Home »  HPC  »  Articles  » 
:uucp man:x:15: games:x:20: gopher:x:30: video:x:39: dip:x:40: ftp:x:50: lock:x:54: audio:x:63: nobody:x:99: users:x:100: utmp:x:22: utempter:x:35: floppy:x:19: vcsa:x:69: rpc:x:32: cdrom:x:11: tape:x:33
36%
Hybrid public/private cloud
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Photo by JJ Ying on Unsplash
uri: 51 url: https://{{ localfw }}/api/v2/cmdb/vpn.ipsec/phase2-interface 52 validate_certs: no 53 method: POST 54 headers: 55 X-CSRFTOKEN: "{{ token }}" 56
36%
Monitor your nodes with collectl
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© nobeastsofierce, 123RF.com
:40:10 sdb 136 93 6483 2 8 40 47 2 17 7 90 sda 0 0 0 0 0 0 0 0 0 0 0 29 20120310 13:40:20 sdb 60 69 2200 2 11 52 36 2 30 6 37 sda 0 0 0 0 0 0 0 0 0 0 0 30 20120310 13:40:30 sdb 2 0 16 7 37 175 21 1 59 6 5 sda
35%
Monitor Your Nodes with collectl
28.03.2012
Home »  HPC  »  Articles  » 
20120310 13:40:10 sdb 136 93 6483 2 8 40 47 2 17 7 90 sda 0 0 0 0 0 0 0 0 0 0 0 20120310 13:40:20 sdb 60 69 2200 2 11 52 36 2 30 6 37 sda 0 0 0 0 0 0 0 0 0 0 0 20120310 13:40:30 sdb 2 0 16 7 37 175 21 1 59 6
35%
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 ... 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
35%
Parallel Programming with OpenCL
04.11.2011
Home »  HPC  »  Articles  » 
.width + kx]; 47             } 48         } 49         // Clamp values to {0, ..., 255} and store them 50         out.data[y * out.width + x] = clampuchar((int) convolutionSum); 51     } 52   } 53

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