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100%
Automating deployments on Proxmox with OpenTofu and cloud-init
04.12.2024
Home »  Articles  » 
Lead Image © lightwise, 123RF.com
Rubén Llorente ... "webservice" { 21 listen on 192.168.3.30 port 80 22 protocol "http" 23 forward to port 80 mode loadbalance \ 24 check http "/index.html" code 200 25 } 26
99%
Automating command execution across servers
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Photo by Adrian Hartanto on Unsplash
Rubén Llorente ... : [devuan] 10 donkey: 11 user: root 12 host: donkey.operationalsecurity.es 13 tags: [devuan] 14 zebra: 15 user: root 16 host: zebra.operationalsecurity.es 17 tags: [devuan] 18 19
29%
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
28%
A closer look at hard drives
18.07.2013
Home »  Archive  »  2013  »  Issue 15: What’...  » 
Lucy Baldwin, 123RF
buffered disk reads: 616 MB in 3.00 seconds = 205.03 MB/sec $ hdparm -T /dev/sda /dev/sda: Timing cached reads: 6292 MB in 2.00 seconds = 3153.09 MB/sec If this were a spinning disk, you would also
27%
Speed up your MySQL database
11.02.2016
Home »  Archive  »  2016  »  Issue 31: Tunin...  » 
Lead Image © Mikhail Dudarev, 123RF.com
for the transmission speed, or you might have technical limits (searching through 100 million rows will take a dozen seconds or so), or you might even encounter financial limits to tuning. (Yes, an SSD could give you 10,000
26%
Rethinking RAID (on Linux)
16.03.2021
Home »  HPC  »  Articles  » 
B/s-1404kB/s), io=80.5MiB (84.4MB), run=60145-60145msec Disk stats (read/write):     md0: ios=100/20614, merge=0/0, ticks=0/0, in_queue=0, util=0.00%, aggrios=103/20776, aggrmerge=0/0, aggrticks=12
26%
Load Testing the Cloud
20.02.2012
Home »  CloudAge  »  Blogs  »  Dan Frost's Blog  » 
 
.51, 0, 0.36, 17.74, 0.00, 6.38, 90, 0 2012-01-09 21:10:00, 92, 4.42, 0, 0.35, 20.81, 0.00, 7.22, 100, 0 2012-01-09 21:12
26%
Distributed storage with Sheepdog
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © kateleigh, 123RF.com
they are mounted with the user_xattr option. Table 1 Important Sheepdog Options Option Meaning Examples -b IP address for communication 192.168.200.34, 0
25%
Profiling Python code
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image ©-Yong Hian Lim, Fotolia.com
.1989| 3.69449e-06| 3.12%| for j in range(0, p_num): 145| 12750000| 47.4793| 3.72387e-06| 3.14%| if (i != j): 146| 0| 0| 0| 0.00%| 147
25%
Getting started with I/O profiling
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Photosani, Fotolia.com
InfiniBand for the compute node storage traffic or will GigE or 10GigE be sufficient? Should I use 15,000rpm drives or 7,200rpm drives? Do I need SSDs (solid state drives)? Which filesystem should I use

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