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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 ... # A single task is defined, which by default will 20 # run only against "devuan" hosts. 21 tasks: 22 upgradeall: 23 desc: Upgrade all packages 24 target: 25 tags: [devuan] 26 cmd: | 27
61%
ORNL Launches 200-Petaflop Supercomputer
14.06.2018
Home »  HPC  »  News  » 
 
supercomputer.” According to the press release, the Summit is capable of 200,000 trillion calculations per second (200 petaflops). ORNL says it is eight times more powerful than Titan, the previously top ... ORNL Launches 200-Petaflop Supercomputer
28%
When I/O workloads don't perform
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Lead Image © Viacheslav Iakobchuk, 123RF.com
429928 pts/2 Sl+ 15:35 0:00 fio --bs=1M --ioengine=libaio --iodepth=32 --size=10g --direct=0 --runtime=60 --filename=/dev/sdf --rw=randread --numjobs=4 --name=test root 5097 2.2 0.4 783092
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%
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
26%
Load Testing the Cloud
20.02.2012
Home »  CloudAge  »  Blogs  »  Dan Frost's Blog  » 
 
time: 11.79 secs Data transferred: 2.47 MB Response time: 0.22 secs Transaction rate: 35.79 trans/sec Throughput: 0
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
25%
Profiling Python code
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image ©-Yong Hian Lim, Fotolia.com
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