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22%
Failure to Scale
03.07.2013
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and the parallel portion 800 seconds. Amdahl’s Law says the speedup is 1.00 (i.e., the starting point). Notice that as the number of processes increase, the wall clock time of the parallel portion decreases
22%
Getting started with the Apache Cassandra database
06.10.2019
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Photo by Almos Bechtold on Unsplash
Stax Insights [3]. The former enables flexible scalability in Cassandra clusters and consumption-based billing supported by the stability and performance enhancements of DataStax Enterprise, which monitors
22%
Exploring the filesystem that knows everything
14.03.2013
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Lucy Baldwin, 123RF
details as well [3]. The files in the Linux /proc directory also have a pleasingly hackable penchant for being directly readable as plain text, as opposed to more binary-centric proc implementations
22%
GNU Parallel: Multicore at the Command Line with GNU Parallel
04.11.2011
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. Listing 1: Running Many Commands at Once 01 $ cat commands 02 date 03 hostname 04 echo foo | md5sum 05  06 $ cat commands | parallel 07 Thu Jul  8 10:37:20 EST 2010 08 desktop‑machine 09 d3b07384d113edec49
22%
How to configure and use jailed processes in FreeBSD
14.03.2013
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© Corina Rosu, 123RF.com
struct jail 01 main(int argc, char **argv) 02 { 03 struct jail j; 04 int i; 05 [...] 06 /* Populate the jail struct */ 07 memset(&j, 0, sizeof(j)); 08 j.version = 0; 09 j.path =
22%
Automated OpenStack instance configuration with cloud-init and metadata service
05.02.2019
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Lead Image © jeka81, 123RF.com
: $ curl http://169.254.169.254/openstack 2012-08-10 2013-04-04 2013-10-17 2015-10-15 2016-06-30 2016-10-06 2017-02-22 To retrieve a list of supported versions for the EC2-compatible metadata API, enter
22%
Parallel Programming with OpenCL
04.11.2011
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 convolutionSum = 0.0f; 05  06     // Iterate over convolution kernel 07     for(size_t ky = 0; ky < kernel.height; ++ky) 08     { 09       for(size_t kx = 0; kx < kernel.width; ++kx) 10  11       { 12
22%
Beyond monitoring: Mathematical load simulation in Perl
30.11.2025
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© kudryashka, 123RF.com
: Grocery Store Checkout *** 06 *** Ver: PDQ Analyzer v3.0 111904 *** 07 ************************************* 08 ****** RESOURCE Performance ******* 09 10 Metric Resource Work Value Unit 11
22%
Read-only File Compression with SquashFS
14.06.2017
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B 03:10.494 90.48% gzip 1MiB 00:31.050 91.35% lzo 1MiB 01:47.967 92.08% xz 1MiB 03:47.730 88.71% lzma
22%
VAX emulation with OpenVMS
18.07.2013
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Ole Houen, 123RF
rq2 ra92 08 set rq3 cdrom 09 10 attach rq0 d0.dsk 11 attach rq1 d1.dsk 12 attach rq2 d2.dsk 13 14 attach -r rq3 cdrom.iso 15 16 set rl disable 17 set ts disable 18 19 set xq mac=08-00-2B-AA-BB-CC 20

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