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20%
Monitor your nodes with collectl
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© nobeastsofierce, 123RF.com
:sda]RKBytes [DSK:sda]Writes 21 [DSK:sda]WMerge [DSK:sda]WKBytes [DSK:sda]Request [DSK:sda]QueLen \[DSK:sda]Wait [DSK:sda]SvcTim [DSK:sda]Util 22 20120310 13:39:10 sdb 0 0 0 2 4 24 12 0 12 2 0 sda 0 0 0 0 0 0 0 0 0 0
19%
Listing 1
01.08.2012
Home »  HPC  »  Articles  »  Warewulf Cluste...  »  Warewulf 3 Code  » 
 
                                                                         |  54 kB     00:00      (2/7): perl-5.10.1-119.el6_1.1.x86_64.rpm                                                                     |  10 MB     00:08      (3/7): perl-Module-Pluggable-3.90-119.el6
19%
The practical benefits of network namespaces
15.08.2016
Home »  Archive  »  2016  »  Issue 34: Softw...  » 
Lead Image © Morganimation, fotolia.com
00:13 ? 00:00:00 /usr/sbin/sshd -o PidFile=/run/sshd-ns1.pid -o ListenAddress=1.1.1.1 $ ip netns exec ns1 ss -ltn State Recv-Q Send-Q Local Address:Port Peer Address:Port LISTEN 0 128
19%
Monitoring network computers with the Icinga Nagios fork
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Alterfalter, 123RF.com
active_checks_enabled 1 22 passive_checks_enabled 0 23 check_command check_ssh 24 max_check_attempts 3 25
19%
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
18%
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%
Introducing parity declustering RAID
28.11.2022
Home »  Archive  »  2022  »  Issue 72: OpenS...  » 
Lead Image © Author, 123RF.com
/s, 133M issued at 133M/s, 81.6M total 0B repaired, 163.06% done, no estimated completion time scan: resilvered (draid1:3d:5c:1s-0) 20.2M in 00:00:00 with 0 errors on Mon Oct 24 17:11:22 2022
18%
Fundamentals of I/O benchmarking
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Kheng Ho Toh, 123RF.com
/s wMB/s avgrq-sz ... sdb 0.00 28.00 1.00 259.00 0.00 119.29 939.69 ... Parallelism Multiple computers can access enterprise storage, and multiple threads can access
18%
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
18%
I/O Profiling at the Block Level
27.08.2014
Home »  HPC  »  Articles  » 
was the sequential write test using 1MB record sizes: ./iozone -i 0 -c -e -w -r 1024k -s 32g -t 2 -+n > iozone_write_1.out To gather the block statistics, I ran ioprof in a different terminal window before I ran

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