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27%
Speed up your MySQL database
11.02.2016
Home »  Archive  »  2016  »  Issue 31: Tunin...  » 
Lead Image © Mikhail Dudarev, 123RF.com
553200 0 22908 348 23076 1143 2880 6 3 57 35 0 <- < I/O System loaded (wa) > 0 3 265376 149720 1136 378148 0 105300 252 105348 993 3002 6 4 62 29 0 0 14 495028 117264 560
27%
New features in PHP 7.3
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © MIR, Fotolia.com
predecessor. PHP developers will notice this especially with invalid patterns. Furthermore, PCRE2 is based on Unicode version 10.0 instead of Unicode 7.0. In PHP 7.3, the preg_quote() function now also masks ... The new PHP 7.3 simplifies string handling, supports PCRE version 2, adds LDAP controls, improves logging, and deprecates some features, functions, and syntax elements. ... PHP 7.3 ... New features in PHP 7.3
27%
Filesystem Murder Mystery
09.04.2019
Home »  Archive  »  2019  »  Issue 50: Bpfilter  » 
Lead Image © Lucy Baldwin, 123RF.com
in mv ubuntu@aws:~/slow-mv$ strace -t mv 3GB.copy 3GB 19:00:09 execve("/bin/mv", ["mv", "3GB.copy", "3GB"], 0x7ffd0e7dddf8 /* 21 vars */) = 0 19:00:09 brk(NULL) = 0x55cd7d1ce000
27%
Modern Fortran – Part 1
20.10.2016
Home »  HPC  »  Articles  » 
      integer :: allocate_status !       n = 10       allocate( array(n, n), stat  = allocate_status )       if (allocate_status /= 0) stop "Could not allocate array" !       subarray => array(3:7,3
27%
Look for Bottlenecks with Open|SpeedShop
21.12.2011
Home »  HPC  »  Articles  » 
.000000, 1.000000) (n_pre, n_post) = (1, 1) dim             = 3 solver ID       = 0 ============================================= Struct Interface: ============================================= Struct
27%
Detect failures and ensure high availability
22.05.2023
Home »  Archive  »  2023  »  Issue 75: Teamwork  » 
Photo by Tim Foster on Unsplash
from ubu22042-2 (10.0.0.62): icmp_seq=2 ttl=64 time=0.524 ms 64 bytes from ubu22042-2 (10.0.0.62): icmp_seq=3 ttl=64 time=0.496 ms ^C --- ubu22042-2 ping statistics --- 3 packets transmitted, 3 received
27%
Modern Fortran for today and tomorrow
17.06.2017
Home »  Archive  »  2017  »  Issue 39: Conta...  » 
Lead Image © homestudio, 123RF.com
integer :: allocate_status 08 ! 09 n = 10 10 allocate( array(n, n), stat = allocate_status ) 11 if (allocate_status /= 0) stop "Could not allocate array" 12 ! 13 subarray => array(3:7,3:7) 14
27%
Kubernetes k3s lightweight distro
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image Photo by Josh Rakower on Unsplash
, according to the README file, requires "half the memory, all in a binary less than 40MB" to run. By design, it is authored with a healthy degree of foresight by the people at Rancher [3]. The GitHub page [4 ... The k3s lightweight and secure Kubernetes distribution can handle both unattended workloads in remote locations with minimal resources and clusters of IoT appliances. ... Kubernetes k3s lightweight distro
27%
Measuring the performance of code
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Lucy Baldwin, 123RF.com
->tv_nsec) * 1E-9; 24 } 25 26 int main(int argc, char* argv[argc+1]) { 27 if (argc < 2) { 28 fprintf(stderr, "Usage: %s NNN, NNN iterations\n", 29 argv[0]); 30 return EXIT_FAILURE; 31 } 32
27%
Zero-Ops Kubernetes with MicroK8s
27.09.2021
Home »  Archive  »  2021  »  Issue 65: 7 Em...  » 
-ready With the top command in the other terminal window, you can watch the MicroK8s processes running. My device showed a one-minute average load of between 3.0 and 3.5, even with Docker running dutifully ... A zero-ops installation of Kubernetes with MicroK8s operates on almost no compute capacity and roughly 700MB of RAM.

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