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29%
Tuning SSD RAID for optimal performance
09.08.2015
Home »  Archive  »  2015  »  Issue 28: SSD RAID  » 
Lead Image © ELEN, Fotolia.com
to form a page (e.g., 8KB). Several pages then form a block (~2MB). At this level, the first peculiarity of flash memory already comes to light: Whereas new data can be written to unused pages, subsequent
29%
Machine learning and security
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Vlad Kochelaevskiy, 123RF.com
of their toolkits. For example, you can install and use Splunk Enterprise and its Machine Learning Toolkit (Figure 6) with a trial license for up to 60 days and index up to 500MB of data per day. The software
29%
Thrashing the data cache for fun and profit
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Lead Image © Lucy Baldwin, 123RF.com
, producing a 16-fold increase in data cache misses, up from 6 million to 100 million events. Note how the row-major approach delivered a near-perfect result, with D1 cache misses coming in under one percent
29%
Flexible backup for large-scale environments
05.08.2024
Home »  Archive  »  2024  »  Issue 82: Sover...  » 
Photo by Nils Bouillard on Unsplash
backup. The initial backup of a mail system with more than 100 million files would take more than three weeks, in parallel to ongoing operations. Above all, however, it would take a similar amount of time
29%
ClusterHAT
10.07.2017
Home »  HPC  »  Articles  » 
with the original Raspberry Pi Model A, ranging from two to more than 250 nodes. That early 32-bit system had a single core running at 700MHz with 256MB of memory. You can build a cluster of five RPi3 nodes with 20
29%
Moving HPC to the Cloud
19.10.2012
Home »  HPC  »  Articles  » 
consisting of 80 cores with 4GB of RAM per core with basic storage of 500GB. POD pricing is based on cores/hour and would work out to be US$ 6,098.00/month or US$ 0.101/core·hour. A large example of 256 cores
29%
Profiling Python Code
09.12.2019
Home »  HPC  »  Articles  » 
|     0.745732|     0.745732|  0.04%|# :978 _find_and_load      6|         1|  2.57492e-05|  2.57492e-05|  0.00%|from sys import exit (call)|         1|   1.7643e-05|   1.7643e-05|  0.00%|# :1009 _handle_fromlist      7|         1|  7.86781e-06
29%
Profiling Python code
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image ©-Yong Hian Lim, Fotolia.com
.00%|# :1009 _handle_fromlist 5| 1| 2.55108e-05| 2.55108e-05| 0.00%|import numpy as np (call)| 1| 0.745732| 0.745732| 0.04%|# :978 _find_and_load 6| 1| 2.57492e-05
29%
Welcome
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
lucadp 123rf
Twitter to yourself 10 years in the past. Try imagining the amount of data Twitter generates, which some estimates suggest is greater than 100TB of data per day, using 200 bytes per tweet and 500 million
29%
Interview: Nginx's Gus Robertson
11.02.2016
Home »  Archive  »  2016  »  Issue 31: Tunin...  » 
. Today, Nginx open source has benefited from well over 100 new features and updates, and Nginx Plus has matured into a highly capable application delivery platform. With regard to bloat, we do everything

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