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59%
Open source customer relationship management software
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Lead Image © Martina Berg, Fotolia.com
and upgrades: sudo nano -w etc/php/7.2/apache2/php.ini Use the nano editor's Ctrl+W search function to find the upload_max_filesize line. By default, it is set to 2M, which you should amend to 25M. Now you
59%
Best practices for KVM on NUMA servers
20.05.2014
Home »  Archive  »  2014  »  Issue 20: IPv6...  » 
Lead Image © Joe Belanger, 123RF.com
size: 17920 MB node 3 free: 16428 MB node distances: node 0 1 2 3 0: 10 20 20 20 1: 20 10 20 20 2: 20 20 10 20 3: 20 20 20 10 Note that the SLIT table in Listing 5 ... 20
59%
I/O Profiling at the Block Level
27.08.2014
Home »  HPC  »  Articles  » 
was the sequential write test using 1MB record sizes: ./iozone -i 0 -c -e -w -r 1024k -s 32g -t 2 -+n > iozone_write_1.out To gather the block statistics, I ran ioprof in a different terminal window before I ran
59%
Warewulf 4 – Environment Modules
20.03.2023
Home »  HPC  »  Articles  » 
.exe   QUAD_MPI   FORTRAN90/MPI version   Estimate an integral of f(x) from A to B.   f(x) = 50 / (pi * ( 2500 * x * x + 1 ) )     A        =    0.00000       B        =    10.0000       N        =      9999999
59%
Error-correcting code memory keeps single-bit errors at bay
14.11.2013
Home »  Archive  »  2013  »  Issue 17: Cloud...  » 
Lead Image © Igor Stevanovic, 123RF.com
. This translates to Google's experiencing about 25,000-75,000 correctable errors (CE) per billion device hours per megabit, which translates to 2,000-6,000 CE/GB-yr (or about 250-750 CE/Gb-yr). This is much higher
59%
Julia: Fast as Fortran, easy as Python
09.04.2019
Home »  Archive  »  2019  »  Issue 50: Bpfilter  » 
Lead Image © Andrey Suslov, 123RF.com
). Listing 2 Arrays julia> a = [1 2]; 1x2 Array{Int64,2}: 1 2 julia> b = [3 4]; 1x2 Array{Int64,2}: 3 4 julia> [a b] 1x4 Array{Int64,2}: 1 2 3 4 julia> [a; b] 2x2 Array{Int64,2}: 1 2 3 4
59%
Why Good Applications Don’t Scale
13.10.2020
Home »  HPC  »  Articles  » 
You ha ve parallelized your serial application ,  but as you use more cores you are  n o t seeing any improvement  in performance . What gives? ... of the application. Four processors only gets a speedup of 2.5 – the speedup is losing ground. This “decay” in speedup continues as processors are added. With 64 processors, the speedup is only 4.71. The code ... You  ha ve parallelized your serial application ,  but as you use more cores you are  n o t seeing any improvement  in performance . What gives?
59%
S3QL filesystem for cloud backups
09.01.2013
Home »  Archive  »  2013  »  Issue 18: New W...  » 
Lead Image © stylephotographs, 123RF.com
root root 556 Nov 10 10:07 s3ql_metadata 07 4 drwxr-xr-x. 4 root root 4096 Nov 10 10:08 .. 08 4 -rw-r--r-- 1 root root 262 Nov 10 10:10 s3ql_seq_no_2 09 4 drwxr-xr-x 3 root root 4096 Nov 10 10
59%
The New Hadoop
17.07.2013
Home »  HPC  »  Articles  » 
Hadoop version 2 expands Hadoop beyond MapReduce and opens the door to MPI applications operating on large parallel data stores. ... confusion when you’re ready to download, but in general, the 0.20.X branch is version 1, and the 0.23.X branch is version 2. To understand what YARN is and why it is needed, some background on Hadoop may ... Hadoop version 2 expands Hadoop beyond MapReduce and opens the door to MPI applications operating on large parallel data stores.
59%
Secure SSH connections the right way
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Lead Image © Olivier Le Moal, 123RF.com
not budged a single inch. Nevertheless, it remains an essential part of any Linux system and can still be found on virtually every Linux machine, despite its age of a good 25 years. Security in Flux SSH

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