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18%
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
17%
Distributed storage with Sheepdog
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © kateleigh, 123RF.com
.snap s ntestvm1.img 5 8.0 GB 292 MB 2.4 GB 2014-03-01 11:42 982a3a 2 mar.snap s ntestvm1.img 6 8.0 GB 128 MB 2.6 GB 2014-03-10 19:48 982a3b 2 mar2.snap ntestvm1.img 0 8.0 GB
17%
A closer look at hard drives
18.07.2013
Home »  Archive  »  2013  »  Issue 15: What’...  » 
Lucy Baldwin, 123RF
100 100 000 Old_age Always – 2456 12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always
17%
An army of Xeon cores to do your bidding
30.01.2024
Home »  Archive  »  2024  »  Issue 79: Monit...  » 
Lead Image © Lucy Baldwin, 123RF.com
in this case to note that 2.4GHz is the maximum speed they can all accelerate to concurrently. At the time of this writing, an Amazon AWS m7g.12xlarge instance with 48 virtual cores and only 192GB of RAM
17%
Stretching devices with limited resources
03.02.2022
Home »  Archive  »  2022  »  Issue 67: syst...  » 
Lead Image © Lucy Baldwin, 123RF.com
DATA COMPR TOTAL STREAMS MOUNTPOINT /dev/zram0 lzo-rle 512M 4K 73B 12K 2 [SWAP] # Cleanup procedure (destroy the ZRAM setup) $ sudo swapoff /dev/zram0 $ sudo zramctl --reset /dev/zram0
17%
Creating Virtual SSDs
21.01.2020
Home »  HPC  »  Articles  » 
    8        2  488383488 sda2 12    8       16 6836191232 sdb 13    8       64 6836191232 sde 14    8       80   39078144 sdf 15    8       48 6836191232 sdd 16    8       32 6836191232 sdc 17   11        0    1048575 sr0
17%
Building a virtual NVMe drive
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image © lassedesignen, 123RF
8 2 488383488 sda2 12 8 16 6836191232 sdb 13 8 64 6836191232 sde 14 8 80 39078144 sdf 15 8 48 6836191232 sdd 16 8 32 6836191232 sdc 17 11
16%
Security first with the Hiawatha web server
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Tatiana Popov, 123RF.com
#seconds BanOnInvalidURL = 0 #seconds #risky if > 0 BanOnMaxReqSize = 600 #seconds BanOnSQLi = 600 #seconds BanOnWrongPassword = 3:120 #seconds MinTLSversion = 1
16%
Monitor Your Nodes with collectl
28.03.2012
Home »  HPC  »  Articles  » 
2 4 24 12 0 12 2 0 sda 0 0 0 0 0 0 0 0 0 0 0 20120310 13:39:20 sdb 0 0 0 1 3 17 12 0 27 8 1 sda 0 0 0 0 0 0 0 0 0 0 0 20120310 13:39:30 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
16%
Processor and Memory Affinity Tools
14.09.2021
Home »  HPC  »  Articles  » 
 $(find /sys/devices/system/cpu -regex ".*cpu[0-9]+/topology/thread_siblings_list") | sort -n | uniq 0,32 1,33 2,34 3,35 4,36 5,37 6,38 7,39 8,40 9,41 10,42 11,43 12,44 13,45 14,46 15,47 16,48 17,49 18,50 19,51 20,52 21,53 22,54 23,55 24,56 25

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