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19%
Distributed storage with Sheepdog
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © kateleigh, 123RF.com
Sheepdog Server in Action # ps -ef|egrep '([c]orosyn|[s]heep)' root 491 1 0 13:04 ? 00:00:30 corosync root 581 1 0 1:13 PM ? 00:00:03 sheep -p 7000 /var
19%
Monitoring Storage with iostat
25.02.2013
Home »  HPC  »  Articles  » 
:56:05 AM avg-cpu: %user %nice %system %iowait %steal %idle 55.00 0.00 13.50 0.00 0.00 31.50 Device: rrqm/s wrqm/s r/s w/s rMB/s wMB/s avgrq-sz avgqu
18%
Process, Network, and Disk Metrics
26.02.2014
Home »  HPC  »  Articles  » 
 reqs merged:           1.42/s     Write reqs completed:            0.98/s    Read BW:                     0.05 MB/s  Write BW:                        0.13 MB/s    Avg sector size issued     108.81       Avg
18%
Monitor your nodes with collectl
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© nobeastsofierce, 123RF.com
sda 0 0 0 0 0 0 0 0 0 0 0 26 20120310 13:39:50 sdb 4 0 97 1 2 11 21 0 5 5 2 sda 0 0 0 0 0 0 0 0 0 0 0 27 20120310 13:40:00 sdb 83 91 3518 2 4 23 42 1 7 6 54 sda 0 0 0 0 0 0 0 0 0 0 0 28 20120310 13
18%
Monitor Your Nodes with collectl
28.03.2012
Home »  HPC  »  Articles  » 
:39:40 sdb 0 0 0 0 0 0 0 0 0 0 0 sda 0 0 0 0 0 0 0 0 0 0 0 20120310 13:39:50 sdb 4 0 97 1 2 11 21 0 5 5 2 sda 0 0 0 0 0 0 0 0 0 0 0 20120310 13:40:00 sdb 83 91 3518 2 4 23 42 1 7 6 54 sda 0 0 0 0 0 0 0 0 0 0 0
18%
Monitoring network computers with the Icinga Nagios fork
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Alterfalter, 123RF.com
-host-alive' command definition 09 define command{ 10 command_name check-host-alive 11 command_line $USER1$/check_ping -H $HOSTADDRESS$ -w 3000.0,80% -c 5000.0,100% -p 12 5 13
18%
Appendix – I/O Report from MPI Strace Analyzer
15.02.2012
Home »  HPC  »  Newsletter  »  2012-02-15 HPC...  » 
 
32KB < < 128KB 835 104 126 128KB < < 256KB 4 0 1 256KB < < 512KB 18 2 1 512KB < < 1MB 23 2 2
18%
Appendix – I/O Report from MPI Strace Analyzer
26.01.2012
Home »  HPC  »  Newsletter  »  2012-02-01 HPC...  » 
 
32KB < < 128KB 835 104 126 128KB < < 256KB 4 0 1 256KB < < 512KB 18 2 1 512KB < < 1MB 23 2 2
17%
Go testing frameworks
05.08.2024
Home »  Archive  »  2024  »  Issue 82: Sover...  » 
Lead Image © Lucy Baldwin, 123RF.com
= [size][size]int {{0},{0},} 08 09 for i := 0; i < size; i++ { 10 for j := 0; j < size; j++ { 11 array[i][j]++ 12 } 13 } 14 15
17%
Using rsync for Backups
07.01.2014
Home »  Articles  » 
 
, not a hard link. You can confirm this by running the command stat Open-MPI-SC13-BOF.pdf in the backup.0 directory and looking for the Links: output, which should be 1 . Also notice that if the backups don

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