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28%
High-performance Python – compiled code and C interface
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Lead Image © Konrad Bak, 123RF.com
total x = numpy.arange(10_000_000); %time sum(x) CPU times: user 1.63 s, sys: 0 ns, total: 1.63 s Wall time: 1.63 s Next, add Numba into the code (Listing 2) so the @jit decorator can be used. (Don
28%
Distributed denial of service attacks from and against the cloud
14.11.2013
Home »  Archive  »  2013  »  Issue 17: Cloud...  » 
Lead Image © leksustuss, 123RF.com
, the DDoS attack on Spamhaus was triggered by 36-byte data packets, each of which triggered a 3,000-byte response. Although a normal desktop PC can handle about 1,000 DNS requests per second, a single DNS
28%
Two NexentaOS derivatives compared
16.05.2013
Home »  Archive  »  2013  »  Issue 14: Samba 4  » 
© iofoto, fotolia.com
/NIC teaming/bonding Yes Access Rights Management Max. number of users 60,000 Max. number of user groups 60,000 Max. number of network shares Unlimited
28%
A buyer's guide to NVMe-based storage
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Photo by Oscar Sutton on Unsplash
advanced technology attachment (SATA) hard disk interfaces (Figure 1). The reason for the performance leap is that NVMe is significantly faster than the traditional SAS storage protocol, supporting up to 64,000
28%
Arp Cache Poisoning and Packet Sniffing
05.09.2011
Home »  Articles  » 
 
can see how the arp cache poisoning works: $ sudo nemesis arp -v -r -d eth0 -S 192.168.1.2 \ -D 192.168.1.133 -h 00:22:6E:71:04:BB -m 00:0C:29:B2:78:9E \ -H 00:22:6E:71:04:BB -M 00:0C:29:B2:78:9E
28%
Green IT
24.10.2011
Home »  Articles  » 
 
. A sole proprietor would save more than EUR 4,000 over a period of nine years by upgrading; the researchers assumed that the business owner would need consultancy services and training when purchasing a new
28%
S.M.A.R.T., smartmontools, and drive monitoring
09.01.2013
Home »  Archive  »  2013  »  Issue 18: New W...  » 
Lead Image © _fla, 123RF.com
Barracuda (SATA 3Gb/s, 4K Sectors) Device Model: ST3000DM001-1CH166 Serial Number: Z1F35P0G LU WWN Device Id: 5 000c50 050b954c3 Firmware Version: CC27 User Capacity: 3,000,592,982,016 bytes [3.00 TB] Sector
28%
CloudStack's Chip Childers
29.10.2013
Home »  Articles  » 
 
CloudStack has been running in such environments since 2009. The largest deployment that I personally know is more than 40,000 physical nodes under a single plane of management in two zones (Availability
28%
Moore's Law Continues its Unwavering March
09.10.2013
Home »  HPC  »  Articles  » 
to the nanometer scale and enabled ever-increasing speeds. The original Intel 8086 microprocessor sported 29,000 transistors and clocked at a then-blistering 5MHz; 28 years later, the 2.93GHz Intel Core 2 Duo
28%
Fathoming the cloud
28.06.2011
Home »  CloudAge  »  Articles  » 
 
customers using automated systems to lower their overhead), measured services (i.e., pay for what you use), and elasticity (you need one server? 1,000 servers? No problem!). These elements are exemplified

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